Jay, M.D. v. Spectrum Brands Holdings et. al.
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8/13/2019 Jay, M.D. v. Spectrum Brands Holdings et. al.
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3. On information and belief, Spectrum Brands, Inc. (Spectrum Brands) is a
Delaware corporation having its principal place of business at 601 Rayovac Drive, Madison,
Wisconsin 53711 and is a wholly owned subsidiary of SB Holdings. On information and belief,
Spectrum Brands is in the business of manufacturing and selling branded consumer products,
including the Remington i-LIGHT Pro line of hair treatment products that it markets,
distributes, and sells in concert with SB Holdings and Shaser, Inc.
4. On information and belief, Shaser, Inc. (Shaser) is a Delaware corporation
having its principal place of business at 130 New Boston Street, Suite 201, Woburn MA 01801 and
doing business under the name Shaser BioScience, Inc. On information and belief, SB Holdings
acquired an approximately 56% interest in Shaser in November 2012 and holds an option to
purchase the remaining approximately 44% interest in Shaser in 2017. On information and belief,
Shaser is engaged in development of light-based medical devices, including the Remington
i-LIGHT Pro line of hair treatment products, that it markets, distributes, and sells in concert with
SB Holdings. and Spectrum Brands.
5. On information and belief, Defendants SPECTRUM act in concert to develop,
manufacture, import, market, distribute, and sell the Remington i-LIGHT Pro line of hair
treatment products and to instruct and induce consumers to use those products to treat hair.
NATURE OF THE ACTION
6. This is an action arising under the patent laws of the United States (Title 35, United
States Code, 100 et seq.)based upon SPECTRUMs infringement of one or more of several U.S.
patents owned by Dr. Jay. Designation of this case for inclusion in the Pilot Project Regarding
Case Management Techniques for Complex Civil Cases in the Southern District of New York
(Standing Order M10-468) is believed to be appropriate and is requested by Dr. Jay.
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7. On information and belief, SPECTRUM develops, manufactures, imports, uses,
offers for sale, and/or sells light-based hair treatment appliances branded as Remington
i-LIGHT Pro products, including at least the following product designations (individually and
collectively, Accused Products):
Remington i-LIGHT Pro Intense Pulsed Light Hair Removal System,
Remington i-LIGHT Pro PLUS Intense Pulsed Light Hair Removal System,
Remington i-LIGHT Pro PLUS Quartz Intense Pulsed Light Hair Removal System,
Remington i-LIGHT Pro Intense Pulsed Light Hair Removal System Spa Kit, and
Remington i-LIGHT Pro Premier Intense Pulsed Light Hair Removal System.
8. On information and belief, these Accused Products have been and are developed,
used, manufactured, imported, offered for sale, and/or sold by SPECTRUM in the State of New
York and elsewhere in the United States, and SPECTRUM actively promotes the Accused
Products to consumers as products useful for treatment of undesired body hair.
JURISDICTION AND VENUE
9. This Court has subject matter jurisdiction over Dr. Jay's patent infringement claims
pursuant to 28 U.S.C. 1331 and 1338(a).
10. Plaintiff Dr. Jay is a citizen of the State of New York. Each of Defendants SB
Holdings and Spectrum Brands is a corporation incorporated under the laws of Delaware having
its principal place of business in Wisconsin. Defendant Shaser is a corporation incorporated
under the laws of Delaware having its principal place of business in Massachusetts. The amount
in controversy, without interest and costs, exceeds the sum or value specified by 28 U.S.C. 1332.
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11. This Court has personal jurisdiction over each of the Defendants by virtue of the
fact that, on information and belief, each Defendant:
regularly solicits business from, does business with, and derives value from goods and
services provided to customers in this judicial district;
has committed and continues to commit acts of patent infringement in this judicialdistrict, including selling and offering to sell the Accused Products and/or inducing
others to use the Accused Products to commit acts of patent infringement in thisjudicial district;
has engaged in substantial and persistent contacts with this judicial district; and
has availed itself of the rights and benefits of New York law.
12. Venue is proper in this Court pursuant to 28 U.S.C. 1391(b), 1391(c), and
1400(b) because, on information and belief, SPECTRUM have committed and are continuing to
commit acts of patent infringement in this judicial district and have induced and are continuing to
induce others to do the same in this judicial district, provide a substantial volume of goods to and
do a substantial amount of business within this judicial district, and thus have purposefully availed
themselves of the privilege of conducting business within the State of New York and this judicial
district.
SUMMARY
13. Dr. Jay is a dermatologist who began studying use of light-based devices in
dermatology for purposes such as reducing the visibility of blood vessels by at least about 1985.
He began experimenting with and improving upon devices that deliver intense pulsed light (IPL)
to skin surfaces by at least about 1995.
14. Not later than about 2001, Dr. Jay recognized drawbacks in previously-developed
light-based permanent hair removal methods that destroy the follicles from which hair grows.
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Around that time, Dr. Jay began developing methods and devices for using IPL to temporarily
retard and permanently reduce body hair growth without necessarily killing hair follicles.
15. Beginning on November 8, 2002, Dr. Jay filed a series of patent applications
describing his technological developments in this field. Those applications were examined by the
United States Patent and Trademark Office (USPTO), which has issued to Dr. Jay at least ten
U.S. Patents to date. Several of those issued patents (collectively, the Patents-in-Suit) are
asserted in this action, including:
A. U.S. Patent No. 6,824,542 (the 542 Patent),
B. U.S. Patent No. 6,916,316 (the 316 Patent),
C. U.S. Patent No. 7,175,617 (the 617 Patent),
D. U.S. Patent No. 7,553,308 (the 308 Patent), and
E. U.S. Patent No. 8,393,330 (the 330 Patent).
16. Beginning not later than about 2003, Dr. Jay contacted and repeatedly met
confidentially with persons and/or entities associated with SPECTRUM regarding technology he
had developed and corresponding patent applications he had filed. Those contacts and meetings
were conducted for the purpose of considering joint development of a commercial product for
reducing undesired body hair based on Dr. Jays technology. The SPECTRUM-associated
persons and/or entities expressed interest in Dr. Jays technology, but declined to pursue joint
development of a commercial product with Dr. Jay.
17. On August 26, 2008, an attorney who is believed by Dr. Jay to have acted on behalf
of one or more of Defendants SPECTRUM, requested reexamination by the USPTO of each of Dr.
Jays 316 and 617 Patents.
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18. On March 23, 2010, the USPTO confirmed the patentability of claims 18-21 and 31
of the 617 Patent, canceled claim 32, awarded four additional claims to Dr. Jay, and left the
remainder of the patented claims undisturbed.
19. On March 30, 2010, the USPTO confirmed the patentability of claims 29, 30, 32,
and 33 of the 316 Patent and left the remainder of the patented claims undisturbed.
20. Subsequent to March 2010, Dr. Jay learned that SPECTRUM had developed the
Accused Products and that the Accused Products appear to embody the technology that Dr. Jay had
previously invented, patented, and disclosed to SPECTRUM.
21. The only substantial use of the Accused Products is to reduce hair at skin locations.
22. Use of the Accused Products to reduce hair at skin locations is covered by each of
the Patents-in-Suit.
23. On information and belief, SPECTRUM has used the Accused Products to reduce
hair at skin locations on the bodies of individual humans.
24. SPECTRUM has acted in concert with others to use the Accused Products to reduce
hair at skin locations on the bodies of individual humans.
25. SPECTRUM has actively and deliberately promoted use of the Accused Products
by others for the purpose of reducing hair at skin locations on the bodies of individual humans.
26. SPECTRUM has actively and deliberately induced others to offer for sale and to
sell Accused Products for the purpose of reducing hair at skin locations on the bodies of end-users
of the Accused Products.
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27. After learning of SPECTRUMs Accused Products, Dr. Jay contacted SPECTRUM
not later than 2012 to communicate, inter alia, the apparent relevance of the Patents-in-Suit and
their potential availability for licensing in connection with SPECTRUMs Accused Products.
28. Despite repeated requests from Dr. Jay, SPECTRUM has declined to discuss
licensing the Patents-in-Suit with Dr. Jay.
29. Despite SPECTRUMs knowledge of the Patents-in-Suit and that SPECTRUM
lacks a license to practice the subject matter claimed in the Patents-in-Suit, SPECTRUM
continues, and on information and belief will continue, to make, use, offer for sale, sell, and/or
import the Accused Products alone or in concert with others and to actively induce others to do the
same.
THE PATENTS-IN-SUIT
30. The 542 Patent, entitled Temporary Hair Removal Method, was issued to Dr.
Jay by the USPTO on November 30, 2004. A true and correct copy of the 542 patent is attached
to this Complaint as Exhibit A.
31. The 316 Patent, entitled Hair Treatment Method, was issued to Dr. Jay by the
USPTO on July 12, 2005. A true and correct copy of the 316 patent is attached to this Complaint
as Exhibit B.
32. The 617 Patent, entitled Hair Treatment Method, was issued to Dr. Jay by the
USPTO on February 13, 2007. A true and correct copy of the 617 patent is attached to this
Complaint as Exhibit C.
33. The 308 Patent, entitled Hair Treatment Method, was issued to Dr. Jay by the
USPTO on June 30, 2009. A true and correct copy of the 308 Patent is attached to this Complaint
as Exhibit D.
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34. The 330 Patent, entitled Hair Treatment System and Method, was issued to Dr.
Jay by the USPTO on March 12, 2013. A true and correct copy of the 330 Patent is attached to
this Complaint as Exhibit E.
35. Dr. Jay has owned each of the Patents-in-Suit throughout the period for which
infringement by SPECTRUM is alleged in this Complaint, and he continues to own each of the
Patents-in-Suit.
36. Dr. Jay has the right to enforce each of the Patents-in-Suit.
37. SPECTRUM does not have, and has never had, a license to practice any of the
Patents-in-Suit.
38. No party with whom SPECTRUM has acted in concert to make, use, offer for sale,
sell, and/or import the Accused Products has, or has ever had, a license to practice any of the
Patents-in-Suit.
39. No party which SPECTRUM has induced to make, use, offer for sale, sell, and/or
import the Accused Products has, or has ever had, a license to practice any of the Patents-in-Suit.
FIRST COUNT FOR RELIEF
(INFRINGEMENT OF THE 542 PATENT)
40. The allegations of every preceding item in this Complaint are incorporated herein
by reference.
41. Notwithstanding the existence of the 542 Patent and SPECTRUMs knowledge
regarding the 542 Patent, SPECTRUM has made, used, offered for sale, and/or sold the Accused
Products in the U.S., and/or imported the Accused Products into the U.S., all without the authority
of the owner of the 542 Patent, Dr. Jay. SPECTRUM has thereby infringed the 542 Patent in
violation of 35 U.S.C. 271(a).
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42. Notwithstanding the existence of the 542 Patent and SPECTRUMs knowledge
regarding the 542 Patent, SPECTRUM has actively induced others to make, use, offer for sale,
and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the U.S.,
all without the authority of the owner of the 542 Patent, Dr. Jay. SPECTRUM has thereby
induced infringement of the 542 Patent in violation of 35 U.S.C. 271(b).
43. Notwithstanding the existence of the 542 Patent and SPECTRUMs knowledge
regarding the 542 Patent, SPECTRUM has acted in concert with others to make, use, offer for
sale, and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the
U.S., all without the authority of the owner of the 542 Patent, Dr. Jay. SPECTRUM has thereby
contributorily infringed the 542 Patent in violation of 35 U.S.C. 271(c).
44. SPECTRUM was aware and/or should have been aware of the existence of the 542
Patent prior to the filing of this Complaint and at all times relevant to this Complaint.
SPECTRUMs infringement, inducement of infringement, and/or contributory infringement
(collectively, SPECTRUMs Infringement) of the 542 Patent has therefore been willful, active,
intentional, and deliberate.
45. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are made and intended
especially for use in the methods claimed in the 542 Patent.
46. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are not suitable for
substantial uses other than those claimed in the 542 Patent.
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47. Dr. Jay has sustained, is sustaining, and will continue to sustain damages owing to
SPECTRUMs Infringement of the 542 Patent. Dr. Jay is entitled to compensation for these
damages, as well as corresponding interest and costs.
48. On information and belief, SPECTRUMs Infringement of the 542 Patent has been
willful and deliberate, and justifies an enhancement of his recovery for damages in an amount up to
three times his actual damages, in accordance with 35 U.S.C. 284.
49. SPECTRUMs Infringement of the 542 Patent is continuing and is expected to
continue unless enjoined by this Court. Dr. Jay does not have an adequate remedy at law and will
be irreparably harmed if SPECTRUMs Infringement of the 542 Patent is permitted to continue.
Dr. Jay is therefore entitled to an injunction against further Infringement by SPECTRUM pursuant
to 35 U.S.C. 283.
50. On information and belief, SPECTRUMs Infringement of the 542 Patent is
exceptional and Dr. Jay is therefore entitled to recover his reasonable attorneys fees incurred in
prosecuting this action in accordance with 35 U.S.C. 285.
SECOND COUNT FOR RELIEF
(INFRINGEMENT OF THE 316 PATENT)
51. The allegations of every preceding item in this Complaint are incorporated herein
by reference.
52. Notwithstanding the existence of the 316 Patent and SPECTRUMs knowledge
regarding the 316 Patent, SPECTRUM has made, used, offered for sale, and/or sold the Accused
Products in the U.S., and/or imported the Accused Products into the U.S., all without the authority
of the owner of the 316 Patent, Dr. Jay. SPECTRUM has thereby infringed the 316 Patent in
violation of 35 U.S.C. 271(a).
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53. Notwithstanding the existence of the 316 Patent and SPECTRUMs knowledge
regarding the 316 Patent, SPECTRUM has actively induced others to make, use, offer for sale,
and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the U.S.,
all without the authority of the owner of the 316 Patent, Dr. Jay. SPECTRUM has thereby
induced infringement of the 316 Patent in violation of 35 U.S.C. 271(b).
54. Notwithstanding the existence of the 316 Patent and SPECTRUMs knowledge
regarding the 316 Patent, SPECTRUM has acted in concert with others to make, use, offer for
sale, and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the
U.S., all without the authority of the owner of the 316 Patent, Dr. Jay. SPECTRUM has thereby
contributorily infringed the 316 Patent in violation of 35 U.S.C. 271(c).
55. SPECTRUM was aware and/or should have been aware of the existence of the 316
Patent prior to the filing of this Complaint and at all times relevant to this Complaint.
SPECTRUMs Infringement of the 316 Patent has therefore been willful, active, intentional, and
deliberate.
56. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are made and intended
especially for use in the methods claimed in the 316 Patent.
57. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are not suitable for
substantial uses other than those claimed in the 316 Patent.
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58. Dr. Jay has sustained, is sustaining, and will continue to sustain damages owing to
SPECTRUMs Infringement of the 316 Patent. Dr. Jay is entitled to compensation for these
damages, as well as corresponding interest and costs.
59. On information and belief, SPECTRUMs Infringement of the 316 Patent has been
willful and deliberate, and justifies an enhancement of his recovery for damages in an amount up to
three times his actual damages, in accordance with 35 U.S.C. 284.
60. SPECTRUMs Infringement of the 316 Patent is continuing and is expected to
continue unless enjoined by this Court. Dr. Jay does not have an adequate remedy at law and will
be irreparably harmed if SPECTRUMs Infringement of the 316 Patent is permitted to continue.
Dr. Jay is therefore entitled to an injunction against further Infringement by SPECTRUM pursuant
to 35 U.S.C. 283.
61. On information and belief, SPECTRUMs Infringement of the 316 Patent is
exceptional and Dr. Jay is therefore entitled to recover his reasonable attorneys fees incurred in
prosecuting this action in accordance with 35 U.S.C. 285.
THIRD COUNT FOR RELIEF
(INFRINGEMENT OF THE 617 PATENT)
62. The allegations of every preceding item in this Complaint are incorporated herein
by reference.
63. Notwithstanding the existence of the 617 Patent and SPECTRUMs knowledge
regarding the 617 Patent, SPECTRUM has made, used, offered for sale, and/or sold the Accused
Products in the U.S., and/or imported the Accused Products into the U.S., all without the authority
of the owner of the 617 Patent, Dr. Jay. SPECTRUM has thereby infringed the 617 Patent in
violation of 35 U.S.C. 271(a).
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64. Notwithstanding the existence of the 617 Patent and SPECTRUMs knowledge
regarding the 617 Patent, SPECTRUM has actively induced others to make, use, offer for sale,
and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the U.S.,
all without the authority of the owner of the 617 Patent, Dr. Jay. SPECTRUM has thereby
induced infringement of the 617 Patent in violation of 35 U.S.C. 271(b).
65. Notwithstanding the existence of the 617 Patent and SPECTRUMs knowledge
regarding the 617 Patent, SPECTRUM has acted in concert with others to make, use, offer for
sale, and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the
U.S., all without the authority of the owner of the 617 Patent, Dr. Jay. SPECTRUM has thereby
contributorily infringed the 617 Patent in violation of 35 U.S.C. 271(c).
66. SPECTRUM was aware and/or should have been aware of the existence of the 617
Patent prior to the filing of this Complaint and at all times relevant to this Complaint.
SPECTRUMs Infringement of the 617 Patent has therefore been willful, active, intentional, and
deliberate.
67. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are made and intended
especially for use in the methods claimed in the 617 Patent.
68. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are not suitable for
substantial uses other than those claimed in the 617 Patent.
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69. Dr. Jay has sustained, is sustaining, and will continue to sustain damages owing to
SPECTRUMs Infringement of the 617 Patent. Dr. Jay is entitled to compensation for these
damages, as well as corresponding interest and costs.
70. On information and belief, SPECTRUMs Infringement of the 617 Patent has been
willful and deliberate, and justifies an enhancement of his recovery for damages in an amount up to
three times his actual damages, in accordance with 35 U.S.C. 284.
71. SPECTRUMs Infringement of the 617 Patent is continuing and is expected to
continue unless enjoined by this Court. Dr. Jay does not have an adequate remedy at law and will
be irreparably harmed if SPECTRUMs Infringement of the 617 Patent is permitted to continue.
Dr. Jay is therefore entitled to an injunction against further Infringement by SPECTRUM pursuant
to 35 U.S.C. 283.
72. On information and belief, SPECTRUMs Infringement of the 617 Patent is
exceptional and Dr. Jay is therefore entitled to recover his reasonable attorneys fees incurred in
prosecuting this action in accordance with 35 U.S.C. 285.
FOURTH COUNT FOR RELIEF
(INFRINGEMENT OF THE 308 PATENT)
73. The allegations of every preceding item in this Complaint are incorporated herein
by reference.
74. Notwithstanding the existence of the 308 Patent and SPECTRUMs knowledge
regarding the 308 Patent, SPECTRUM has made, used, offered for sale, and/or sold the Accused
Products in the U.S., and/or imported the Accused Products into the U.S., all without the authority
of the owner of the 308 Patent, Dr. Jay. SPECTRUM has thereby infringed the 308 Patent in
violation of 35 U.S.C. 271(a).
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75. Notwithstanding the existence of the 308 Patent and SPECTRUMs knowledge
regarding the 308 Patent, SPECTRUM has actively induced others to make, use, offer for sale,
and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the U.S.,
all without the authority of the owner of the 308 Patent, Dr. Jay. SPECTRUM has thereby
induced infringement of the 308 Patent in violation of 35 U.S.C. 271(b).
76. Notwithstanding the existence of the 308 Patent and SPECTRUMs knowledge
regarding the 308 Patent, SPECTRUM has acted in concert with others to make, use, offer for
sale, and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the
U.S., all without the authority of the owner of the 308 Patent, Dr. Jay. SPECTRUM has thereby
contributorily infringed the 308 Patent in violation of 35 U.S.C. 271(c).
77. SPECTRUM was aware and/or should have been aware of the existence of the 308
Patent prior to the filing of this Complaint and at all times relevant to this Complaint.
SPECTRUMs Infringement of the 308 Patent has therefore been willful, active, intentional, and
deliberate.
78. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are made and intended
especially for use in the methods claimed in the 308 Patent.
79. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are not suitable for
substantial uses other than those claimed in the 308 Patent.
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80. Dr. Jay has sustained, is sustaining, and will continue to sustain damages owing to
SPECTRUMs Infringement of the 308 Patent. Dr. Jay is entitled to compensation for these
damages, as well as corresponding interest and costs.
81. On information and belief, SPECTRUMs Infringement of the 308 Patent has been
willful and deliberate, and justifies an enhancement of his recovery for damages in an amount up to
three times his actual damages, in accordance with 35 U.S.C. 284.
82. SPECTRUMs Infringement of the 308 Patent is continuing and is expected to
continue unless enjoined by this Court. Dr. Jay does not have an adequate remedy at law and will
be irreparably harmed if SPECTRUMs Infringement of the 308 Patent is permitted to continue.
Dr. Jay is therefore entitled to an injunction against further Infringement by SPECTRUM pursuant
to 35 U.S.C. 283.
83. On information and belief, SPECTRUMs Infringement of the 308 Patent is
exceptional and Dr. Jay is therefore entitled to recover his reasonable attorneys fees incurred in
prosecuting this action in accordance with 35 U.S.C. 285.
FIFTH COUNT FOR RELIEF
(INFRINGEMENT OF THE 330 PATENT)
84. The allegations of every preceding item in this Complaint are incorporated herein
by reference.
85. Notwithstanding the existence of the 330 Patent and SPECTRUMs knowledge
regarding the 330 Patent, SPECTRUM has made, used, offered for sale, and/or sold the Accused
Products in the U.S., and/or imported the Accused Products into the U.S., all without the authority
of the owner of the 330 Patent, Dr. Jay. SPECTRUM has thereby infringed the 330 Patent in
violation of 35 U.S.C. 271(a).
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86. Notwithstanding the existence of the 330 Patent and SPECTRUMs knowledge
regarding the 330 Patent, SPECTRUM has actively induced others to make, use, offer for sale,
and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the U.S.,
all without the authority of the owner of the 330 Patent, Dr. Jay. SPECTRUM has thereby
induced infringement of the 330 Patent in violation of 35 U.S.C. 271(b).
87. Notwithstanding the existence of the 330 Patent and SPECTRUMs knowledge
regarding the 330 Patent, SPECTRUM has acted in concert with others to make, use, offer for
sale, and/or sell the Accused Products in the U.S. and/or to import the Accused Products into the
U.S., all without the authority of the owner of the 330 Patent, Dr. Jay. SPECTRUM has thereby
contributorily infringed the 330 Patent in violation of 35 U.S.C. 271(c).
88. SPECTRUM was aware and/or should have been aware of the existence of the 330
Patent prior to the filing of this Complaint and at all times relevant to this Complaint.
SPECTRUMs Infringement of the 330 Patent has therefore been willful, active, intentional, and
deliberate.
89. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are made and intended
especially for use in the methods claimed in the 330 Patent.
90. On information and belief, SPECTRUM knew, prior to the filing of this Complaint
and at all times relevant to this Complaint, that the Accused Products are not suitable for
substantial uses other than those claimed in the 330 Patent.
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91. Dr. Jay has sustained, is sustaining, and will continue to sustain damages owing to
SPECTRUMs Infringement of the 330 Patent. Dr. Jay is entitled to compensation for these
damages, as well as corresponding interest and costs.
92. On information and belief, SPECTRUMs Infringement of the 330 Patent has been
willful and deliberate, and justifies an enhancement of his recovery for damages in an amount up to
three times his actual damages, in accordance with 35 U.S.C. 284.
93. SPECTRUMs Infringement of the 330 Patent is continuing and is expected to
continue unless enjoined by this Court. Dr. Jay does not have an adequate remedy at law and will
be irreparably harmed if SPECTRUMs Infringement of the 330 Patent is permitted to continue.
Dr. Jay is therefore entitled to an injunction against further Infringement by SPECTRUM pursuant
to 35 U.S.C. 283.
94. On information and belief, SPECTRUMs Infringement of the 330 Patent is
exceptional and Dr. Jay is therefore entitled to recover his reasonable attorneys fees incurred in
prosecuting this action in accordance with 35 U.S.C. 285.
PRAYER FOR RELIEF
WHEREFORE, Dr. Jay respectfully requests this Court to enter judgment in his favor
against each of Defendants SPECTRUM and to grant the following relief:
A. an adjudication that each of Defendants SPECTRUM has infringed one or more
claims of the Patents-in-Suit pursuant to 35 U.S.C. 271(a), 271(b), and/or 271(c), by
manufacture, use, offer for sale, or sale in the United States, and/or importation into the United
States, of the Accused Products before the expiration of the corresponding patent(s);
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11404643_2-- Page 19 of 20 --
B. a judgment declaring that continuing manufacture, use, offer for sale, or sale in the
United States, and/or importation into the United States, of the Accused Products, or inducing or
contributing to such conduct by any of Defendants SPECTRUM, would constitute infringement of
one or more claims of the Patents-in-Suit pursuant to 35 U.S.C. 271(a), 271(b), and/or 271(c);
C. an order enjoining each of Defendants SPECTRUM and its corresponding officers,
agents, servants, employees, attorneys, affiliates, divisions, subsidiaries, and those persons in
active concert or participation with any of them, from infringing each of the Patents-in-Suit, and/or
contributing to or inducing anyone to do the same, including manufacture, use, offer to sell, sale,
or importation of the Accused Products, while the litigation corresponding to this Complaint is
pending;
D. a permanent injunction enjoining each of Defendants SPECTRUM and its
corresponding officers, agents, servants, employees, attorneys, affiliates, divisions, subsidiaries,
and all persons in active concert or participation with any of them, from infringing each of the
Patents-in-Suit, and/or contributing to or inducing anyone to do the same, including manufacture,
use, offer to sell, sale, or importation of the Accused Products before the expiration of each of the
Patents-in-Suit;
E. an award of damages sustained by Dr. Jay as a result of SPECTRUMs
Infringement of the Patents-in-Suit, in an amount to be ascertained at trial, including at least a
reasonable royalty on sales of the Accused Products;
F. a determination that SPECTRUMs Infringement of the Patents-in-Suit is and has
been willful and a corresponding enhancement of damages by trebling awarded damages pursuant
to 35 U.S.C. 284;
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Exhibit AU.S. PATENT 6,824,542
(The 542 Patent)
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US006824542B2( 1 2 > Ulllted States Patent ( 1 6 ) P a t e n t N 6 . = US 6 , 8 2 4 , 5 4 2 B2
J a y ( 4 5 ) D a t e o f P a t e n t : N o v . 3 0 , 2 0 0 4
( 5 4 ) TEMPORARY HAIR REMOVAL METHOD 6 , 1 6 2 , 2 1 1 A 1 2 / 2 0 0 0 T a n k o v i c h e t 2 1 1 .6 , 1 6 2 , 2 1 2 A 1 2 / 2 0 0 0 K r e i n d e l e t a l .
( 7 6 ) I n v e n t o r : Harvey H . J a y , 1 4 C a y u g a R d . , 6 , 1 7 4 , 3 2 5 B 1 1 / 2 0 0 1 E c k h o u s eScarsdale, NY Us) 10583 6 , 2 2 8 , 0 7 4 B1 * 5/2001 Almeida . . . . . . . . . . . . . . . . . . . . . . . . 6 0 6 / 96 , 2 6 7 , 7 7 1 B1 7 / 2 0 0 1 T a n k o v i c h e t 2 1 1 .
6 , 2 8 0 , 4 3 8 B1 8 / 2 0 0 1 Eckhouse e t 2 1 1 .6 , 3 8 3 , 1 7 6 B1 5 / 2 0 0 2 Connors e t 2 1 1 .6 , 3 8 7 , 0 8 9 B1 5 / 2 0 0 2 K r e i n d e l e t a l .6 , 4 0 6 , 4 7 4 B1 6 / 2 0 0 2 N e u b e r g e r e t a 1 .
2004/0034319 A1 * 2 / 2 0 0 4 Anderson t a l . . . . . . . . . . . . . . 6 0 4 / 2 0
o t 1 c e : u J e c t t o any i s c a1mer,t e t e r m 0 t i sN S b ' d ' l h f h 'p a t e n t i s e x t e n d e d o r a d j u s t e d u n d e r 3 5U . S . C . 1 5 4 ( b ) b y 6 2 d a y s .
( 2 1 ) A p p l . N o . : 1 0 / 2 9 1 , 0 8 6( 2 2 ) F i l e d : N O V . 8 , 2 0 0 2 * c i t e d by examinerP r i m a r y ExaminerAhmed M a r a h( 6 5 ) P r i o r P u b l i c a t i o n D a t a ( 7 4 ) A t t o r n e y , A g e n t , o r FirmR. N e i l S u d o l ; H e n r y D .
US 2 0 0 4 / 0 0 9 2 9 1 6 A1 May 1 3 , 2 0 0 4 C o l e m a n ; W?ham Sapone( 5 1 ) I n t . C 1 . 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A61B 8 / 1 8 ( 5 7 ) ABSTRACT( 5 2 ) U S . C l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 0 6 / 9; 6 0 6 / 3 ; 6 0 6 / 1 0 ; A and h e l d d e v i c e g e n e r a t e s a p r e d e t e r m i n e d number O f
6 0 7 / 8 8 ; 1 2 8 / 8 9 8 p u l s e s o f l i g h t h a v i n g a p r e d e t e r m i n e d e l e c t r o m a g n e t i c( 5 8 ) F i e l d o f Search . . . . . . . . . . . . . . . . . . . . . . 6 0 6 / 3 , 9 1 3 , 1 6 2 0 , s p e c t r u m , a p r e d e t e r m i n e d d u r a t i o n , a p r e d e t e r m i n e d i n t e r6 0 6 / 2 2 2 6 ; 6 0 7 / 8 8 91 ; 1 2 8 / 8 9 8 p u l s e i n t e r v a l , a n d a p r e d e t e r m i n e d t o t a l e n e r g y . T h e p u l s e
sequence i s d e l i v e r e d t o a s k i n s u r f a c e t o t e m p o r a r i l y( 5 6 ) References C i t e d remove a i r . Aperiod o f t i m e f o r r e a p p e a r a n c e o f h a i r on t h e
s e l e c t e d s k i n s u r f a c e a f t e r t h e u s i n g o f t h e d e v i c e t o removeU ' S ' PATENT DOCUMENTS h a i r f r o m t h e s e l e c t e d s k i n s u r f a c e i s d e t e r m i n e d by c o u n t i n g5 , 4 2 5 , 7 2 8 A 6 / 1 9 9 5 T a n k o v i c h t h e d a y s t o h a i r r e a p p e a r a n c e a f t e r a t e s t l i g h t a p p l i c a t i o n .5 , 5 9 5 , 5 6 8 A 1 / 1 9 9 7 Anderson e t a 1 - - - - - - - - - - - - 3 8 2 / 1 2 2 S u b s e q u e n t l y , t h e d e v i c e i s used p e r i o d i c a l l y t o apply t h e5 , 6 8 3 , 3 8 0 A 1 1 / 1 9 9 7 E c k h o u s e e t a 1 ~ p u l s e s o f l i g h t t o t h e s e l e c t e d s k i n s u r f a c e a t i n t e r v a l s o f2 * g n l g g r s o n 6 : a i ' 6 0 6 / 9 s h o r t e r l e n g t h t h a n t h e d e t e r m i n e d p e r i o d o f h a i r
, , c ouseea. - - ~ ~ -5 , 8 8 5 , 2 7 3 A 3 / 1 9 9 9 E c k h o u s e r i l g e n e r a f t i o m f t h e r e t g y t e i n p o t r a r i l y m a i n t a i n i n g t h e s e l e c t e d6,050,990 A 4/2000 Tanko vich e t a 1 . 5 n Sur ace fee 0 V151 e an6 , 0 6 3 , 0 7 6 A 5 / 2 0 0 0 M e h l , S r . e t 2 1 1 .6 , 1 5 2 , 9 1 7 A 1 1 / 2 0 0 0 T a n k o v i c h 2 8 C l a i m s , 1 Drawing S h e e t
SETTING ___>EMORYS E L E C T O R/ 1 2
l 1 0 1 4 CONTROL 5g \N I T 52 2 1 8 1 6OPTICAL LIGHT PULSEEL EM ENTS S O U R C E ' GENERATOR ;
i 2 ' 0i . . . . . ii__ v ..................... ..............................
APPLICATORINTERFAC E 26 28
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U.S. Patent N o v . 3 0 , 2 0 0 4 US 6 , 8 2 4 , 5 4 2 B2
5 SETTING2 EM RY; SELECTOR> O/ 1 2
1 0 1 4 CONTROLNIT
2 2 1 8 1 6OPTICAL LIGHT PULSE i; ELEMENTS SOURCE GENERATOR ;i 2 0 i2 24 " " a
v ..................... . ............................... _ iAPPLICATORNTERFACE 2 6 2 8 1
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i I N T E R - P U L S E PULSE PULSEINTERVAL NUMBER POWER DURATION ;SELECTOR SELECTOR SELECTOR SELECTOR 5
Ii 42 L I G H T P U L S E CONTROLSOURCE GENERATOR U N I T
4 4 CQOLANT4 6 RESERVOIR ;4 8 O P T I C A L l 5 8
g \LEMENTS ii 'VALVE 60s o 56/ i A C T U A T O RL _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . .....................................2 APPLICATOR NOZZLE 54
NTERFACE
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U S 6 , 8 2 4 , 5 4 2 B21
TEMPORARY HAIR REMOVAL METHOD
BACKGROUND OF THE INVENTIONT h i s i n v e n t i o n r e l a t e s g e n e r a l l y t o h a i r r e m o v a l . More
p a r t i c u l a r l y , t h i s i n v e n t i o n r e l a t e s t o a method f o r t h et e m p o r a r y r e m o v a l o f h a i r .A s d i s c u s s e d i n U S . P a t . No. 6 , 2 8 0 , 4 3 8 , h a i r may b er e m o v e d f r o m s e l e c t e d s k i n s u r f a c e s b y t h e a p p l i c a t i o n o fi n t e n s e , W i d e a r e a , p u l s e d e l e c t r o m a g n e t i c ( l i g h t ) e n e r g y .A c c o r d i n g t o t h e m e t h o d o l o g y o f Us. P a t . N o . 6 , 2 8 0 , 4 3 8 ,t h e e n e r g y h e a t s t h e h a i r a n d c o a g u l a t e s t h e t i s s u e a r o u n d t h eh a i r a n d f o l l i c l e W i t h o u t d a m a g i n g t h e h e a l t h y s k i n . P u r s ua n t t o t h a t p r i o r a r t d i s c l o s u r e , i t i s p r e f e r a b l e t o p r o v i d e a no p t i c a ll y t r a n s p a r e n t W a t e r b a s e d g e l o n t h e s k i n p r i o r t ot r e a t m e n t W i t h t h e e l e c t r o m a g n e t i c e n e r g y . The g e l c o o l s t h ee p i d e r m i s b u t i s a p p l i e d s o a s n o t t o e n t e r t h e c a v i t y aroundt h e h a i r f o l l i c l e , a n d t h u s d o e s n o t c o o l t h e h a i r a n d t h e h a i rf o l l i c l e . The a p p l i e d e n e r g y t h e n c o a g u l a t e s t h e h a i r W i t h o u td a m a g i n g t h e s k i n .
U S . P a t . No. 6 , 2 8 0 , 4 3 8 t e a c h e s t h e u s e o f i n c o h e r e n tp o l y c h r o m a t i c r a d i a t i o n i n a W a v e l e n g t h r a n g e t h a t p e ne t r a t e s i n t o t h e s k i n W i t h o u t b e i n g h i g h l y a t t e n u a t e d . I t i si n d i c a t e d i n t h e p a t e n t t h a t W a v e l e n g t h s s h o r t e r t h a n 550 nma r e n o t u s e f u l b e c a u s e t h e y W i l l b e h i g h l y a t t e n u a t e d b e f o r er e a c h i n g t h e l o W e r p a r t s o f t h e h a i r f o l l i c l e s . I n s t e a d , Wavel e n g t h s i n t h e r a n g e o f 550 t o 630 nm r e h e a v i l y a b s o r b e dby b l o o d a n d c a n t h e r e f o r e b e u s e d t o c o a g u l a t e t h e v e s s e l st h a t f e e d t h e h a i r s . A d d i t i o n a l l y , l o n g e r W a v e l e n g t h s , i n t h er a n g e o f 600 t o 100 nm have a v e r y good p e n e t r a t i o n i n t onon-pigmented s k i n a n d c a n b e u s e d t o c o u p l e t o t h e m e l a n i no f t h e h a i r .
U S . P a t . N o . 5 , 8 8 5 , 2 7 3 d i s c l o s e s a method o f removingh a i r t h a t i n c l u d e s p r o d u c i n g a p l u r a l i t y o f p u l s e s o f i n c oh e r e n t e l e c t r o m a g n e t i c e n e r g y , Which i s ? l t e r e d i n a c c o rd a n c e W i t h t h e c o l o r o f t h e h a i r b e i n g r e m o v e d . A a s h l a m pp r o d u c e s p u l s e s h a v i n g d e l a y s o n t h e o r d e r o f 0 . 1 msec t o10 0 msec, and an energy ?uence on t h e o r d e r of 10 t o 10 0J / c m 2 . Energy t h a t h a s a W a v e l e n g t h o f l e s s t h a n 500 nm r600 nm and g r e a t e r t h a n 1300 nm s p r e f e r a b l y ? l t e r e d o u t .L i g h t i s a p p l i e d t o t h e t r e a t e d a r e a i n e i t h e r a l o n g p u l s e o ri n a s e q u e n c e o f p u l s e s s e p a r a t e d b y a d e l a y . The d e l a ya n d / o r p u l s e l e n g t h i s p r e f e r a b l y c o n t r o l l e d b y t h e o p e r a t o rt o p r o v i d e enough h e a t t o remove t h e h a i r b u t n o t enoughh e a t t o damage t h e s k i n . F o r e x a m p l e , t h e p u l s e l e n g t h o rd e l a y b e t W e e n t h e p u l s e s s h o u l d b e more t h a n t h e c o o l i n gt i m e o f t h e g e l c o v e r e d e p i d e r m i s a n d l e s s t h a n t h e c o o l i n gt i m e o f t h e h a i r a n d f o l l i c l e . S p e c i ? c a l l y , a p u l s e l e n g t h o f5 0 msec i f a s i n g l e p u l s e i s used o r a d e l a y o f 5 0 msecbetWeen t h e p u l s e s i f a p u l s e s e q u e n c e i s u s e d a r e a p p r op r i a t e v a l u e s .
I n b r i e f , t h e a r t u s i n g e l e c t r o m a g n e t i c r a d i a t i o n s u c h a sp u l s e s o f i n c o h e r e n t l i g h t i s i n t e n d e d t o p e r m a n e n t l y removeh a i r f r o m s e l e c t e d s k i n s u r f a c e s . T h e l i g h t p u l s e s h a v ep a r a m e t e r s s u c h a s s p e c t r a l d i s p e r si o n , p u l s e d u r a t i o n a n dt o t a l e n e r g y t h a t a r e s e l e c t e d t o d e s t r o y t h e h a i r f o l l i c l e s i nt h e s e l e c t e d s k i n a r e a . U n d e r s t a n d a b l y , s u c h methods c a r r ya c e r t a i n amount o f r i s k t h a t t h e s k i n may be damaged.A c c o r d i n g l y , t h e p r i o r a r t m e t h o d s o f h a i r d e p i l a t i o n a r et y p i c a l l y i n t e n d e d f o r u s e b y t r a i n e d c o s m e t o l o g i s t s a n do t h e r p r o f e s s i o n a l s . T h e c o n s u m i n g p u b l i c i s l e f t W i t h f e Wo p t i o n s i n r e m o v i n g u n d e s i r e d h a i r .
OBJECTS OF THE INVENTIONI t i s a n o b j e c t o f t h e p r e s e n t i n v e n t i o n t o p r o v i d e a method
f o r t e m p o r a r y h a i r r e m o v a l .A ore p a r t i c u l a r o b j e c t o f t h e p r e s e n t i n v e n t i o n i s t o
p r o v i d e such a method t h a t i s s a f e f o r h ome u s e .
1 5
20
25
30
35
45
50
55
60
6 5
2I t i s a r e l a t e d o b j e c t o f t h e i n v e n t i o n t o p r o v i d e a method
f o r h a i r r e m o v a l , Which may r e p l a c e c u r r e n t h o m e - b a s e dm e t h o d s , f o r i n s t a n c e , o f s h a v i n g , W a x i n g , p l u c k i n g ,t W e e Z i n g , o r u s i n g d e p i l a t o r i e s .A f u r t h e r o b j e c t o f t h e p r e s e n t i n v e n t i o n i s t o p r o v i d e s u c h
a method t h a t can r e s u l t i n a smooth c l e a n e r h a i r removalt h a n i s p o s s i b l e W i t h r a Z o r s a n d s h a v e r s .
T h e s e a n d o t h e r o b j e c t s o f t h e p r e s e n t i n v e n t i o n W i l l b ea p p a r e n t f r o m t h e d r a W i n g s a n d d e s c r i p t i o n s h e r e i n . I t i s t ob e u n d e r s t o o d t h a t e a c h o b j e c t o f t h e i n v e n t i o n i s a c h i e v e dby a t l e a s t one embodiment o f t h e i n v e n t i o n . I t i s n o tn e c e s s a r i l y t h e c a s e t h a t a n y embodiment a c h i e v e s a l l o f t h eo b j e c t s o f t h e i n v e n t i o n .
SUMMARY OF THE INVENTIONA a i r r e m o v a l method c o m p r i s e s , i n a c c o r d a n c e W i t h t h e
p r e s e n t i n v e n t i o n , g e n e r a t i n g a p r e d e t e r m i n e d n u m b e r o fp u l s e s o f l i g h t e a c h h a v i n g a p r e d e t e r m i n e d e l e c t r o m a g n e t i cs p e c t r u m , a n d d i r e c t i n g t h e p u l s e s o f l i g h t t o W a r d s a s k i ns u r f a c e . T h e l i g h t p u l s e s h a v i n g a t l e a s t o n e p u l s e d u r a t i o n ,a t l e a s t o n e i n t e r - p u l s e i n t e r v a l ( i f t h e number o f p u l s e s i sg r e a t e r t h a n o n e ) , a n d a t o t a l e n e r g y a l l p r e d e t e r m i n e d t ot e m p o r a r i l y p r e v e n t a g r o W t h o f h a i r t h r o u g h t h e s k i ns u r f a c e f o r a p e r i o d o f t i m e . P r i o r t o a l a p s e o f t h e p e r i o d o ft i m e a f t e r t h e d i r e c t i n g o f t h e p u l s e s t o W a r d s t h e s k i ns u r f a c e , t h e p r e d e t e r m i n e d n u m b e r o f p u l s e s o f l i g h t a r ea g a i n g e n e r a t e d a n d d i r e c t e d t o W a r d s t h e s k i n s u r f a c e .
T h e p u l s e p a r a m e t e r s , n a m e l y , t h e p u l s e n u m b e r , t h e p u l s ed u r a t i o n ( s ) , t h e i n t e r - p u l s e i n t e r v a l ( s ) , t h e t o t a l e n e r g y a n dt h e s p e c t r a l d i s t r i b u t i o n ( s ) , a r e s e l e c t e d i n c o n c e r t t o o n l yt e m p o r a r i l y p r e v e n t t h e a p p e a r a n c e o f h a i r on t h e t r e a t e ds k i n s u r f a c e . T h u s , i n c o n t r a s t t o p r i o r m e t h o d s , Which a r ea i m e d a t c o m p l e t e l y d e s t r o y i n g t h e h a i r f o l l i c l e , t h e p r e s e n tm e t h o d c o n t e m p l a t e s o n l y a p a r t i a l d e s t r u c t i o n o f t h e f o ll i c l e s o r , a l t e r n a t i v e l y , a d e s t r u c t i o n o f t h e h a i r i n s i d e t h ef o l l i c l e s . I n e i t h e r c a s e , t h e h a i r W i l l groW a n d a g a i n a p p e a ron t h e t r e a t e d s u r f a c e i n t h e a b s e n c e o f a d d i t i o n a l c o n t r o l l e dl i g h t a p p l i c a t i o n .
The l i g h t u s e d i n a h a i r removal method i n a c c o r d a n c eW i t h t h e p r e s e n t i n v e n t i o n may b e i n c o h e r e n t a n d p r o d u c e dby a ?ashlamp o r o t h e r s o u r c e o f i n c o h e r e n t e l e c t r o m a g n e t i cr a d i a t i o n . A l t e r n a t i v e l y , t h e l i g h t may b e c o h e r e n t a n dproduced by a l a s e r s o u r c e . I n t h e former c a s e t h e e l e c t r om a g n e t i c s p e c t r u m o f t h e l i g h t p u l s e s i s a band o fW a v e l e n g t h s , W h i l e i n t h e l a t t e r c a s e , t h e e l e c t r o m a g n e t i cs p e c t r u m o f a l i g h t p u l s e d e l i v e r e d a t o n e t i m e i s a s i n g l eW a v e l e n g t h . I n t h e f o r m e r c a s e ? l t e r s may be used t o l i m i tt h e band o f t r a n s m i t t e d W a v e l e n g t h s , W h i l e i n t h e l a t t e r c a s et h e l a s e r s o u r c e may b e a d j u s t a b l e o r t u n a b l e f o r p r o d u c i n gW a v e l e n g t h s o f d i f f e r e n t f r e q u e n c i e s .
I n a c c o r d a n c e W i t h t h e p r e s e n t i n v e n t i o n , a u s e r d e t e rmines t h e t i m e i t t a k e s f o r t h e h a i r t o r e g e n e r a t e a n d r e a p p e a ro n t h e t r e a t e d s k i n s u r f a c e a n d r e a p p l i e s t h e l i g h t p u l s e sp r i o r t o t h e e X p e c t e d t i m e o f h a i r g r o W t h t h r o u g h t h e t r e a t e ds k i n s u r f a c e . More s p e c i ? c a l l y , a h a i r removal method i na c c o r d a n c e W i t h t h e p r e s e n t i n v e n t i o n i n c l u d e s g e n e r a t i n g ap r e d e t e r m i n e d n u m b e r o f p u l s e s o f l i g h t e a c h h a v i n g ap r e d e t e r m i n e d e l e c t r o m a g n e t i c s p e c t r u m a n d a p p l y i n g t h ep u l s e s o f l i g h t t o a g i v e n s k i n s u r f a c e , t h e p u l s e s h a v i n g a tl e a s t o n e p r e d e t e r m i n e d p u l s e d u r a t i o n , a t l e a s t o n e p r e d et e r m i n e d i n t e r - p u l s e i n t e r v a l ( i f t h e n u m b e r o f p u l s e s i sg r e a t e r t h a n o n e ) , a n d a p r e d e t e r m i n e d t o t a l e n e r g y . Thev a r i o u s p u l s e p a r a m e t e r s a r e p r e d e t e r m i n e d i n s o f a r a st h e y a r e s e t o r s e l e c t e d p r i o r t o t h e a p p l i c a t i o n o f t h e l i g h te n e r g y t o t h e s e l e c t e d s k i n s u r f a c e . The d e t e r m i n a t i o n o f t h ed i f f e r e n t p u l s e p a r a m e t e r s i s g e n e r a l l y made p a r t i a l l y a t t h et i m e o f m a n u f a c t u r e o f t h e l i g h t - g e n e r a t i n g d e v i c e a n dp a r t i a l l y by t h e s e l e c t i o n o r s e l e c t i o n s made by t h e u s e r . Atl e a s t i n p a r t oWing o t h e a p p l i c a t i o n o f t h e p u l s e s t o t h e s k i n
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s u r f a c e , an appearance o f v i s i b l e h a i r ? b e r s on t h e s k i ns u r f a c e i s t e m p o r a r i l y p r e v e n t e d . P a s s i n g d a y s a r e t h e nc o u n t e d b e t W e e n t h e a p p l y i n g o f t h e p u l s e s t o t h e s k i ns u r f a c e and a s u b s e q u e n t r e a p p e a r a n c e o f h a i r ? b e r s on t h es k i n s u r f a c e , t h e r e b y d e t e r m i n i n g a n e x p e c t e d h a i r r e g e ne r a t i o n p e r i o d . A f t e r d e t e r m i n a t i o n o f t h i s h a i r r e g e n e r a t i o np e r i o d , t h e s a m e p u l s e s e q u e n c e i s g e n e r a t e d , h a v i n g t h es a m e p u l s e n u m b e r , t h e same e l e c t r o m a g n e t i c s p e c t r u m ( s ) ,t h e s a m e p u l s e d u r a t i o n ( s ) , t h e s a m e i n t e r - p u l s e i n t e r v a l ( s )( i f a p p l i c a b l e ) , a n d t h e same t o t a l e n e r g y . T h i s p u l s es e q u e n c e i s d i r e c t e d t o W a r d s t h e g i v e n s k i n s u r f a c e .T h e r ea f t e r , p r i o r t o a l a p s e o f t h e d e t e r m i n e d h a i r r e g e n e r at i o n p e r i o d , t h e l i g h t a p p l i c a t i o n i s r e p e a t e d W i t h p u l s e s o fl i g h t h a v i n g ( i f d e s i r e d ) t h e s a m e s p e c t r u m , t h e s a m en u m b e r , t h e same d u r a t i o n , t h e same i n t e r - p u l s e i n t e r v a l ( i fa p p l i c a b l e ) , a n d t h e same t o t a l e n e r g y . I t i s t o b e n o t e d t h a tt h e h a i r r e g e n e r a t i o n p e r i o d may c h a n g e W i t h t i m e , i n p a r ta s a r e s u l t o f t h e l i g h t t r e a t m e n t s . I n r e c o g n i t i o n o f t h a tp o t e n t i a l i t y , t h e r e g e n e r a t i o n t i m e may b e r e c a l c u l a t e d a f t e ra n y g i v e n number o f t r e a t m e n t s . And i f t h e r e g e n e r a t i o nt i m e d o e s c h a n g e , t h e i n t e r v a l b e t W e e n s u c c e s s i v e l i g h tt r e a t m e n t s may b e a d j u s t e d a c c o r d i n g l y .
The p r e s e n t i n v e n t i o n i s t h u s d i r e c t e d t o a method f o r t h et e m p o r a r y r e m o v a l o f h a i r W h e r e i n l i g h t a p p l i c a t i o n i sr e p e a t e d p r i o r t o h a i r r e a p p e a r a n c e . T h i s method s e r v e s t om a i n t a i n a smooth and h a i r f r e e s k i n s u r f a c e c o n t i n u o u s l y a sl o n g a s t h e l i g h t a p p l i c a t i o n i s r e p e a t e d i n d u e c o u r s e p r i o rt o t h e e x p e c t e d t i m e o f h a i r r e a p p e a r a n c e .
The method o f t h e p r e s e n t i n v e n t i o n may b e a p p l i e d t of a c i a l h a i r , l e g h a i r , u n d e r a r m h a i r , c h e s t h a i r , e t c . , u s i n gh a n d h e l d d e v i c e s o f p r i o r a r t d e s i g n s , f o r i n s t a n c e , W i t h al i g h t source such a s a ?ashlamp, a r e ? e c t o r , one or morel e n s e s , a n d a n a p p l i c a t i o n i n t e r f a c e s u c h a s a s k i n - c o n t a c t i n gc r y s t a l . The c r y s t a l may f u n c t i o n a s a c o o l i n g e l e m e n t .A l t e r n a t i v e l y , a s e p a r a t e c o o l i n g medi u m s u c h a s a g e l mayb e a p p l i e d t o t h e s k i n s u r f a c e p r i o r t o t h e l i g h t a p p l i c a t i o n .
A c c o r d i n g l y , t h e p r e s e n t i n v e n t i o n c o n t e m p l a t e s t h e u s eo f a hand h e l d d e v i c e f o r g e n e r a t i n g a p r e d e t e r m i n e d numb e r o f p u l s e s o f l i g h t h a v i n g a p r e d e t e r m i n e d e l e c t r o m a gn e t i c s p e c t r u m a n d f o r a p p l y i n g t h e p u l s e s o f l i g h t t o a s k i ns u r f a c e , t h e p u l s e s h a v i n g o n e o r more p r e d e t e r m i n e dd u r a t i o n s , one o r more p r e d e t e r m i n e d i n t e r - p u l s e i n t e r v a l s( i f n u m b e r o f p u l s e s i s g r e a t e r t h a n o n e ) , a n d a p r e d e t e rmined t o t a l e n e r g y . The d e v i c e i s u s e d t o t e m p o r a r i l yremove h a i r from a s e l e c t e d s k i n s u r f a c e . A e r i o d o f t i m ef o r r e a p p e a r a n c e o f h a i r on t h e s e l e c t e d s k i n s u r f a c e a f t e r t h eu s i n g o f t h e d e v i c e t o remove h a i r from t h e s e l e c t e d s k i ns u r f a c e i s d e t e r m i n e d , f o r i n s t a n c e , b y s i m p l y c o u n t i n g t h ed a y s t o h a i r r e a p p e a r a n c e a f t e r a t e s t l i g h t a p p l i c a t i o n .S u b s e q u e n t l y , t h e d e v i c e i s u s e d p e r i o d i c a l l y t o a p p l y t h ep u l s e s o f l i g h t t o t h e s e l e c t e d s k i n s u r f a c e a t i n t e r v a l s o fs h o r t e r l e n g t h t h a n t h e d e t e r m i n e d p e r i o d o f h a i rr e g e n e r a t i o n , t h e r e b y t e m p o r a r i l y m a i n t a i n i n g t h e s e l e c t e ds k i n s u r f a c e f r e e o f v i s i b l e h a i r . The r e g e n e r a t i o n t i m e a f t e ra n y number o f t r e a t m e n t s may b e measured a g a i n a f t e r a n ynumber o f l i g h t t r e a t m e n t s e s s i o n s . I f t h e r e g e n e r a t i o n t i m ec h a n g e s , t h e i n t e r v a l b e t W e e n s u c c e s s i v e l i g h t t r e a t m e n t smay b e a d j u s t e d a c c o r d i n g l y .
T h e i n t e r - p u l s e i n t e r v a l ( W h e r e t h e n u m b e r o f p u l s e s i sg r e a t e r t h a n o n e ) m a y , i n d i f f e r e n t a p p l i c a t i o n s o f t h ei n v e n t i o n , b e a n y W h e r e f r o m 1 m i l l i s e c o n d t o 2 s e c o n d s .G e n e r a l l y , t h e s m a l l e r t h e i n t e r - p u l s e i n t e r v a l , t h e g r e a t e r t h er i s k o f damage t o t h e s k i n . T h u s , t h e s m a l l e r i n t e r - p u l s ei n t e r v a l s s h o u l d b e u s e d o n l y i n p r o f e s s i o n a l s e t t i n g s . I nh o m e - b a s e d e m b o d i m e n t s o f t h e i n v e n t i o n , t h e i n t e r - p u l s ei n t e r v a l o f a l i g h t t r e a t m e n t i s p r e f e r a b l y g r e a t e r t h a n 200m s e c . An n t e r - p u l s e i n t e r v a l o f s u c h a magnitude a l l o W sp a r t i a l c o o l i n g o f t h e h a i r f o l l i c l e s a n d r e d u c e s t h e c h a n c e so f c o m p l e t e f o l l i c l e d e s t r u c t i o n a n d i n a d v e r t e n t damage t ot h e e p i d e r m i s . P r e f e r a b l y , t h e i n t e r - p u l s e i n t e r v a l i s b e t w e e n
10
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4200 msec and a b o u t 500 msec. An n t e r - p u l s e i n t e r v a l o f 300msec i s e f f e c t i v e .
The t o t a l e n e r g y a p p l i e d may b e a n y W h e r e f r o m 1 J o u l ep e r s q u a r e c e n t i m e t e r o f t r e a t e d s k i n su r f a c e t o a b o u t 200J / c m 2 . G e n e r a l l y , t h e h i g h e r e n e r g i e s e n t a i l g r e a t e r r i s k t os k i n i n t e g r i t y a n d s h o u l d b e u s e d o n l y b y s k i l l e d p r o f e ss i o n a l s . F o r home u s e , t h e t o t a l e n e r g y a p p l i e d s h o u l d b el o W e r , b e t W e e n a p p r o x i m a t e l y 5 J / c m 2 a n d a p p r o x i m a t e l y 4 0J / c m 2 o f t h e s k i n s u r f a c e . T h i s e n e r g y r a n g e i s a p p r o p r i a t ef o r p e r s o n s o f l i g h t s k i n c o l o r . Where t h e s k i n c o l o r i s on t h ed a r k s i d e , t h e u p p e r l i m i t o f t h e t o t a l e n e r g y a p p l i e d t o a u n i to f s k i n s u r f a c e s h o u l d b e l e s s , f o r i n s t a n c e , a p p r o x i m a t e l y2 0 J / c m 2 .
G e n e r a l l y , i t i s c o n t e m p l a t e d t h a t d e v i c e s u s e d i n amethod p u r s u a n t t o t h e p r e s e n t i n v e n t i o n W i l l r e q u i r e as e l e c t i o n of a maximum r t o t a l energy t o be a p p l i e d t o as k i n s u r f a c e . T h i s r e q u i r e m e n t t y p i c a l l y e n t a i l s some e s t r i ct i o n o n t h e u s e r s f r e e d o m i n s e l e c t i n g t h e m a g n i t u d e s o fo t h e r p u l s e p a r a m e t e r s . I n a s i m p l e d e v i c e , t h e u s e r may b ea b l e t o s e l e c t o n l y o n e p u l s e p a r a m e t e r , n a m e l y t h e t o t a le n e r g y . Such a d e v i c e m i g h t , f o r i n s t a n c e , h a v e h i g h ,medium a n d loW e t t i n g s . I n a more complex d e v i c e , s e t t i n go f t h e t o t a l e n e r g y a p p l i e d b y a p u l s e s e q u e n c e W i l l l i m i t t h er a n g e o f o p t i o n s a v a i l a b l e t o t h e u s e r i n s e t t i n g t h e o t h e rp a r a m e t e r s . For i n s t a n c e , once t h e u s e r s e l e c t s t h e t o t a le n e r g y a n d t h e p u l s e d u r a t i o n , t h e number o f p u l s e s i sd e t e r m i n e d , p r o v i d e d t h a t t h e r a t e o f e n e r g y p r o d u c t i o n o ri n t e n s i t y i s n o t a d j u s t a b l e . I f t h e i n t e n s i t y i s a d j u s t a b l e , t h eu s e r W i l l h a v e some l e e W a y i n s e l e c t i n g b o t h t h e p u l s ed u r a t i o n a n d t h e number o f p u l s e s . I n t h a t c a s e , t h e i n t e n s i t ymay b e a u t o m a t i c a l l y c o n t r o l l e d b y t h e l i g h t - g e n e r a t i n gd e v i c e s o t h a t t h e t o t a l energy does n o t exceed t h e s e t v a l u e .
The d u r a t i o n o f t h e l i g h t b u r s t s o r p u l s e s may b e a s l i t t l ea s 1 millisecond o r a s g r e a t a s tWo seconds. The s h o r t e s td u r a t i o n s a n d h i g h e r e n e r g i e s a r e recommended o r p r o f e ss i o n a l l y s u p e r v i s e d l i g h t t r e a t m e n t s o n l y . F o r o r d i n a r y c o nsumers o r u n s k i l l e d u s e r s , t h e p u l s e d u r a t i o n s h o u l d bel o n g e r , p r e f e r a b l y a b o v e a p p r o x i m a t e l y 6 msec a n d morep r e f e r a b l y b e t W e e n a p p r o x i m a t e l y 6 msec a n d a p p r o x im a t e l y 20 m s e c . A u l s e d u r a t i o n o f 7 msec i s e f f e c t i v e .
P u r s u a n t t o o n e embodiment o f t h e p r e s e n t i n v e n t i o n , t h el i g h t o f t h e p u l s e s i s i n c o h e r e n t a n d t h e s p e c t r u m i n c l u d e sW a v e l e n g t h s betWeen a b o u t 300 nm and 1200 nm. LongerW a v e l e n g t h s a r e u s e d f o r d a r k e r s k i n , f o r d e e p e r h a i r s a n dd e e p e r r e m o v a l . I n some embodiments o f t h e i n v e n t i o n , t h es p e c t r u m o f t h e p u l s e s may b e l i m i t e d t o W a v e l e n g t h sbetWeen about 300 nm and 550 nm. These embodiments W i l lr e q u i r e a more f r e q u e n t a p p l i c a t i o n o f t h e l i g h t e n e r g y t oe f f e c t u a t e t e m p o r a r y h a i r r e m o v a l .
The number o f p u l s e s i n e a c h p u l s e s e q u e n c e o r t r e a t m e n ts e s s i o n ( a s a p p l i e d t o a g i v e n s k i n a r e a ) may b e b e t W e e n o n ea n d t e n , W h i l e t h e t o t a l d u r a t i o n o f a p u l s e s e q u e n c e r a n g e sbetWeen 1 m i l l i s e c o n d and 3 8 s e c o n d s .
As i n d i c a t e d a b o v e , t h e p r e s e n t i n v e n t i o n c o n t e m p l a t e st h a t some a d j u s t m e n t may b e made by t h e u s e r i n t h ep a r t i c u l a r o p e r a t i o n a l p a r a m e t e r s o f t h e l i g h t a p p l i c a t i o nd e v i c e . For i n s t a n c e , a s i m p l e h a n d - h e l d d e v i c e may have ap l u r a l i t y o f s e t t i n g s , f o r i n s t a n c e , h i g h , m e d i u m , a n d l o W ,Where one o r more o f t h e o p e r a t i o n a l parameters haved i f f e r e n t p r e - e s t a b l i s h e d v a l u e s d e p e n d i n g o n t h e s e t t i n g .T h u s , h i g h , m e d i u m , a n d l o W s e t t i n g s may v a r y i n t h en u m b e r o f a p p l i e d p u l s e s , t h e p u l s e d u r a t i o n , t h e i n t e r - p u l s ei n t e r v a l , a n d / o r t h e t o t a l e n e r g y a p p l i e d . A s e r c o u l d s t a r tW i t h a loW s e t t i n g t o s e e Whether t h e h a i r f a l l s o u t and f n o t ,t r y t h e n e x t h i g h e r s e t t i n g . U s u a l l y , i t i s p r e f e r a b l e t o u s e t h el o W e s t s e t t i n g W h i c h a c c o m p l i s h e s t h e d e s i r e d r e s u l t .
I t i s t o be noted t h a t consumer d e v i c e s may be p r e p r og r a m m e d W i t h a u t o m a t i c a l l y o p e r a t i n g s a f e t y c o n t r o l sWhich i n h i b i t t h e u s e r f r o m i n a d v e r t e n t l y e x p o s i n g h i m s e l f
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o r h e r s e l f t o d a n g e r o u s q u a n t i t i e s o f l i g h t e n e r g y . T h u s , i n ar e l a t i v e l y c o m p l e x c o n s u m e r p r o d u c t , t h e u s e r s s e t t i n g o fone p a r a m e t e r a t a p o t e n t i a l l y dangerous v a l u e W i l l c a u s e t h edevice e i t h e r t o l i m i t t h e s e l e c t a b l e ranges of one o r m o r eo t h e r p u l s e p a r a m e t e r s o r t o a u t o m a t i c a l l y a d j u s t p u l s ep a r a m e t e r s t o p r e v e n t a n e x c e s s i v e r a t e o f e n e r g y d e l i v e r y .F o r i n s t a n c e , t h e s e l e c t i o n o f a s m a l l i n t e r - p u l s e i n t e r v a l m a yp r e v e n t t h e u s e r f r o m s e l e c t i n g a l o n g p u l s e d u ra t i o n a n d / o ra s m a l l number o f p u l s e s o r , a l t e r n a t i v e l y , m a y r e s u l t i n a na u t o m a t i c d i m i n u t i o n o f t h e i n t e n s i t y ( e . g . , v i a e n g a g e m e n to f a n i n t e n s i t y - r e d u c i n g ? l t e r ) .
The p r e s e n t i n v e n t i o n p r o v i d e s a method f o r t h e tempor a r y removal o f h a i r . The method i s s a f e f o r h o m e u s e . Thee n e r g i e s u s e d a r e s u f f i c i e n t l y loW t o a v o i d s k i n d a m a g e .B e c a u s e t h e l i g h t i s a p p l i e d p r i o r t o t h e a p p e a r a n c e o f h a i ro n a s k i n s u r f a c e , t h e s k i n s u r f a c e may e maintained i n ah a i r l e s s c o n d i t i o n c o n t i n u o u s l y . I f t h e i n d i v i d u a l W i s h e s t ogroW a i r a t a n y l o c a t i o n , t h i s i s p o s s i b l e b y m e r e l y r e f r a i ni n g f r o m l i g h t a p p l i c a t i o n . T h e p r e s e n t i n v e n t i o n c o n t e mp l a t e s t h e u s e o f a l i g h t a p p l i c a t o r p e r i o d i c a l l y , s a y , a ti n t e r v a l s o f a W e e k o a f e W months. I n s o m e c a s e s , t h e l i g h ta p p l i c a t i o n may b e d a i l y , a s a s u b s t i t u t e f o r d a i l y s h a v i n gW i t h a raZor or shaver.
I n c o n t r a s t t o s h a v i n g , Which c u t s h a i r s a t o r above t h es k i n s u r f a c e , t h e method o f p r e s e n t i n v e n t i o n s e v e r s t h e h a i r sb e l o W t h e s k i n s u r f a c e , t h e r e b y p r e s e n t i n g a s m o o t h e r ,c l e a n e r , more c o m p l e t e h a i r r e m o v a l . I n c o n t r a s t , a l l conv e n t i o n a l m e t h o d s o f h a i r r e m o v a l , i n c l u d i n g s h a v i n g ,W a x i n g , p l u c k i n g , t W e e Z i n g , e l e c t r o l y s i s , l a s e r l i g h ta p p l i c a t i o n , i n c o h e r e n t l i g h t a p p l i c a t i o n , o r t h e u s e o fd e p i l a t o r i e s , r e q u i r e t h e p r o t r u s i o n o f t h e h a i r s a t t h e s k i ns u r f a c e .
I t s h o u l d b e u n d e r s t o o d t h a t t h e p r e s e n t m e t h o d o l o g y mayb e u s e d i n p r o f e s s i o n a l s e t t i n g s , i n s p a s o r s a l o n s , b yp r o f e s s i o n a l c o s m e t i c s e r v i c e p r o v i d e r s . H i g h e r e n e r g i e smay b e u s e d i n s u c h s e t t i n g s . Even h i g h e r e n e r g i e s a n d morec o m p l e x s e t t i n g s may b e u s e d b y l i c e n s e d m e d i c a l p r o f e ss i o n a l s i n m e d i c a l o f ? c e s .
B RI E F DESCRIPTION OF THE DRAWINGSF I G . 1 i s a b l o c k d i a g r a m o f a l i g h t - p u l s e g e n e r a t i n gd e v i c e f o r u s e i n a method i n accordance With t h e p r e s e n ti n v e n t i o n .
F I G . 2 i s a b l o c k d i a g r a m o f a n o t h e r l i g h t - p u l s e g e n e r a ti n g d e v i c e f o r u s e i n a method i n a c c o r d a n c e W i t h t h e p r e s e n ti n v e n t i o n .
DETAILED DESCRIPTION OF THEPREFERRED EMBODIMENTS
As d e p i c t e d i n F I G . 1 , a d e v i c e f o r g e n e r a t i n g l i g h t p u l s e sf o r a p p l i c a t i o n t o a s k i n s u r f a c e i n a h a i r removal p r o c e s si n c l u d e s a m a n u a l l y o p e r a b l e s e t t i n g s e l e c t o r 1 0 c o n n e c t e da t an output t o a memory 12 i n t u r n connected a t an outputt o a c o n t r o l u n i t 1 4 . M e m o r y 1 2 s t o r e s p r e - e s t a b l i s h e dc o m b i n a t i o n s o f l i g h t p u l s e p a r a m e t e r s i n c l u d i n g p u l s eW i d t h o r d u r a t i o n , i n t e r - p u l s e i n t e r v a l o r d e l a y t i m e , p u l s en u m b e r , l i g h t i n t e n s i t y , a n d t o t a l t r e a t m e n t e n e r g y . C o n t r o lu n i t 1 4 m a y b e a m i c r o p r o c e s s o r o r a s p e c i a l l o g i c c i r c u i tc o n n e c t e d t o a p u l s e g e n e r a t o r 1 6 f o r i n d u c i n g t h e g e n e r a t o rt o produce a sequence o f e l e c t r i c a l c o n t r o l p u l s e s f e d t o as o u r c e 1 8 o f i n c o h e r e n t l i g h t e n e r g y . S o u r c e 1 8 p r o d u c e sl i g h t W i t h a s p e c t r a l d i s t r i b u t i o n i n c l u d i n g W a v e l e n g t h sbetWeen 500 nm and 1200 nm. C o n t r o l u n i t 14 may bec o n n e c t e d d i r e c t l y t o s o u r c e 18 Where t h e s o u r c e i n c o r p or a t e s means f o r v a r y i n g p u l s e p a r a m e t e r s p u r s u a n t t oencoded i n s t r u c t i o n s .
L i g h t s o u r c e 1 8 ( a s W e l l a s t h e e n t i r e l i g h t p u l s ea p p l i c a t o r ) m a y t a k e a n y kn oWn form s u c h a s t h o s e d i sc l o s e d i n US. P a t . N o . 6 , 2 8 0 , 4 3 8 a n d US. P a t . N o . 5 , 8 8 5 ,2 7 3 . T h u s , l i g h t s o u r c e 1 8 m a y b e a Xenon ? a s h l a m p .
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6L i g h t 2 0 g e n e r a t e d b y s o u r c e 1 8 i s d i r e c t e d t h r o u g h a n
a r r a y o f o p t i c a l elements 22 t h a t may n c l u d e one o r m o r er e ? e c t o r s , l e n s e s , a n d ? l t e r s ( n o t s e p a r a t e l y s h o W n ) . W h e r ea n a d j u s t a b l e ? l t e r i s i n c l u d e d , c o n t r o l u n i t 1 4 m a y b ec o n n e c t e d t o t h e ? l t e r f o r o p e r a t i v e l y m o d i f y i n g t h e a c t i o nt h e r e o f . F o r i n s t a n c e , i n t h e c a s e o f a n a d j u s t a b l e n e u t r a ld e n s i t y ? l t e r , c o n t r o l u n i t 1 4 may i n d u c e a c h a n g e i n t h e? l t e r d e n s i t y t o c o n t r o l t h e i n t e n s i t y , a n d t h e r e f o r e t h ep o W e r , o f t h e l i g h t a p p l i e d t o a s e l e c t e d s k i n s u r f a c e .
I n t h e c a s e o f m ul t i p l e W a v e l e n g t h s o f l i g h t b e i n gp r o d u ce d , a n a d j u s t a b l e ? l t e r may b e i n c l u d e d i n t h e o p t i c a le l e m e n t s 2 2 a n d / o r t h e a p p l i c a t o r i n t e r f a ce 2 6 . T h e s e ? l t e r scan block u n d e s i r e d Wavelengths and a l l o W d e s i r e d W a v el e n g t h s t o p a s s . LoW nd ? l t e r s t h a t b l o c k l o W e r o r s h o r t e rW a v e l e n g t h s , h i g h e n d ? l t e r s t h a t b l o c k h i g h e r o r l o n g e rWavelengths o r band p a s s ? l t e r s t h a t block s o m e h i g h o rsome loW end W a v e l e n g t h s m a y b e u t i l i Z e d .
L i g h t 24 l e a v i n g t h e o p t i c a l a r r a y 2 2 i s d e l i v e r e d o ra p p l i e d t o a s k i n s u r f a c e v i a an a p p l i c a t o r o r i n t e r f a c ee l e m e n t 2 6 e x e m p l a r i l y t a k i n g t h e f o r m o f a c r y s t a l . US.P a t . N o . 6 , 2 8 0 , 4 3 8 a n d US. P a t . N o . 5 , 8 8 5 , 2 7 3 d i s c l o s ek i n d s o f a p p l i c a t o r s o r i n t e r f a c e s u t i l i Z a b l e i n t h e d e v i c e o fF I G . 1 ( o r 2 ) . A p p l i c a t o r o r i n t e r f a c e e l e m e n t 2 6 mayf u n c t i o n i n p a r t t o c o o l t h e s k i n s u r f a c e p r i o r t o , d u r i n g ,a n d / o r a f t e r a l i g h t a p p l i c a t i o n p r o c e d u r e . C o o l i n g may b ea c c o m p l i s h e d b y u s i n g a c r y s t a l - t y p e a p p l i c a t o r o r i n t e r f a c e2 6 , W i t h o r W i t h o u t a l a y e r o f g e l , a s d e s c r i b e d i n U S . P a t .N o . 6 , 2 8 0 , 4 3 8 a n d US. P a t . N o . 5 , 8 8 5 , 2 7 3 .
The elements o f FIG. 1 a r e encased i n o r mounted t o ah o u s i n g 2 8 o f a s i Z e a n d c o n ? g u r a t i o n e n a b l i n g t h e p u l s eg e n e r a t i o n d e v i c e t o b e h a n d h e l d a n d e a s i l y m a n i p u l a t e d f o rp u r p o s e s o f o p t i c a l l y t r e a t i n g d i f f e r e n t s k i n s u r f a c e s o f t h eindividual u s e r .
The d e v i c e o f F I G . 1 i s p r e p r o g r a m m e d t o p r o d u c e l i g h tp u l s e s i n a n y o f s e v e r a l s e t t i n g s , e a c h s e t t i n g b e i n g d e ? n e db y a r e s p e c t i v e c o m b i n a t i o n o f p a r t i c u l a r o p e r a t i o n a l p a r a me t e r s i n c l u d i n g p u l s e d u r a t i o n , i n t e r - p u l s e i n t e r v a l , p u l s en u m b e r , a n d i n t e n s i t y o r t o t a l e n e r g y . F o r i n s t a n c e , t h ed e v i c e may h a v e a p l u r a l i t y o f s e t t i n g s , f o r i n s t a n c e , h i g h ,m e d i u m , a n d l o W , W h i c h v a r y i n t h e number o f a p p l i e dp u l s e s ( e . g . , 3 , 2 , 1 ) , t h e p u l s e d u r a t i o n ( 9 m s e c , 7 m s e c , 5m s e c ) , t h e i n t e r - p u l s e i n t e r v a l ( 2 5 0 m s e c , 3 0 0 m s e c , 3 5 0m s e c ) , a n d / o r t h e t o t a l e n e r g y a p p l i e d ( 3 5 J / c m 2 , 2 0 J / c m 2 ,10 J / c m 2 ) . A s e r c o u l d s t a r t With a l o W s e t t i n g t o s e eW h e t h e r t h e h a i r f a l l s o u t a n d i f n o t , t r y t h e n e x t h i g h e rs e t t i n g . U s u a l l y , i t i s p r e f e r a b l e t o u s e t h e l o W e s t s e t t i n gW h i c h a c c o m p l i s h e s t h e d e s i r e d r e s u l t .A o r e advanced o r complex d e v i c e i s i l l u s t r a t e d i n F I G .2 . T h i s d e v i c e i n c l u d e s a h o u s i n g 30 h a v i n g m a n u a l l y
a c t u a t a b l e i n p u t e l e m e n t s 3 2 , 3 4 , 3 6 , a n d 3 8 , s u c h a s r o t a r ykn obs o r a s o l i d - s t a t e touch s c r e e n , W h i c h enable a user t oi n d i v i d u a l l y s e l e c t m u l t i p l e o p e r a t i n g p a r a m e t e r s . I n p u t e l ements o r s e l e c t o r s 3 2 , 3 4 , 3 6 , and 38 a r e a n i n t e r - p u l s ei n t e r v a l s e l e c t o r , a p u l s e number s e l e c t o r , a p o W e r o r e n e r g ys e l e c t o r , a n d a p u l s e d u r a t i o n s e l e c t i o n , r e s p e c t i v e l y .A n o t h e r s e l e c t o r ( n o t s h o W n ) c o u l d b e f o r i n t e n s i t ya d j u s t m e n t , W h i l e a f u r t h e r s e l e c t o r m a y b e p r o v i d e d f o ra d j u s t i n g a l i g h t s o u r c e 42 o r a ? l t e r i n o p t i c a l e l e m e n t s 48a n d / o r a n a p p l i c a t o r 5 2 f o r m o d i f y i n g t h e W a v e l e n g t h b a n dd e l i v e r e d t o t h e t a r g e t s k i n s u r f a c e . S e l e c t o r s 3 2 , 3 4 , 3 6 , a n d38 a r e o p e r a t i v e l y t i e d t o a c o n t r o l u n i t 40 such a s am i c r o p r o c e s s o r o r h a r d - W i r e d l o g c i r c u i t . C o n t r o l u n i t 4 0r e g u l a t e s t h e o p e r a t i o n o f l i g h t s o u r c e 42 such a s a convent i o n a l ? a s h l a m p , e i t h e r d i r e c t l y o r i n d i r e c t l y v i a a p u l s eg e n e r a t o r 4 4 . L i g h t 4 6 f r o m s o u r c e 4 2 i s t r a n s m i t t e d a l o n ga p a t h t h r o u g h o p t i c a l e l e m e n t s 4 8 o p t i o n a l l y i n c l u d i n g o n eo r m o r e r e ? e c t o r s , l e n s e s , a n d ? l t e r s ( n o t s e p a r a t e l y s h o W n ) .L i g h t 50 a t a n o u t p u t o f t h e o p t i c a l a r r a y 48 i s a p p l i e d t o as k i n s u r f a c e v i a a p p l i c a t o r o r i n t e r f a c e e l e m e n t 5 2 . A p p l ic a t o r o r i n t e r f a c e element 52 m a y t a k e t h e fo rm o f a c r y s t a l
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US 6 , 8 2 4 , 5 4 2 B27
block o r a t r a n s p a r e n t o r t r a n s l u c e n t p o u c h ? l l e d With at r a n s p a r e n t o r t r a n s l u c e n t ?uid such a s a g e l o r a l i q u i d . I nt h e c a s e o f a g e l , t h e pouch ( 5 2 ) may b e p r o v i d e d W i t hp e r f o r a t i o n s o n a s k i n - c o n t a c t i n g s u r f a c e f o r e x u d i n g t h e g e lo f c o o l i n g p u r p o s e s . A l t e r n a t i v e l y , a s shoWn i n F I G . 2 , t h el i g h t p u l s e d e v i c e may b e p r o v i d e d W i t h a ? u i d d i s p e n s e rsuch a s a spray noZZle 54 connected t o a valve 56 doWns t r e a m o f a p r e s s u r i Z e d c o o l a n t r e s e r v o i r 5 8 . I n r e s p o n s e t oan o p e r a t i o n o f a manua l a c t u a t o r 60 o r i n response t os i g n a l s f r o m c o n t r o l u n i t 4 0 , v a l v e 5 6 e n a b l e s a ? o W o fc o o l a n t from r e s e r v o i r 58 t o n o Z Z l e 54 f o r a p p l i c a t i o n t o as e l e c t e d s k i n s u r f a c e . I n t h e e v e n t t h a t a p p l i c a t o r o r i n t e r f a c ee l e m e n t 5 2 i s a bag o r p o u c h , r e s e r v o i r 58 a n d v a l v e 5 6 m a ybe c o n n e c t e d t o t h e a p p l i c a t o r o r i n t e r f a c e e l e m e n t f o rs u p p l y i n g a g e l o r ? u i d c o o l a n t t h e r e t o .
I n one embodiment o f t h e d e v i c e o f F I G . 2 , s u i t a b l e f o rp r o f e s s i o n a l b u t n o t h ome u s e , i n t e r - p u l s e i n t e r v a l s e l e c t o r32 p r o v i d e s f o r i n t e r v a l s i n a r a n g e from 1 msec and 2s e c o n d s , W h e r e a s p u l s e number s e l e c t o r 34 i s e n a b l e d f o rp u l s e s e q u e n c e s o f o n e t o t e n p u l s e s . I n a d d i t i o n , p o W e rs e l e c t o r 3 6 p e r m i t s t r e a t m e n t e n e r g i e s b e t W e e n 1 J o u l e p e rs q u a r e c e n t i m e t e r o f s k i n s u r f a c e and 200 J o u l e s p e r s q u a r ec e n t i m e t e r , W h i l e p u l s e d u r a t i o n s e l e c t o r 3 8 e n a b l e s p u l s e so f 1 msec t o 2 s e c o n d s i n l e n g t h . T o t a l p u l s e s e q u e n c ed u r a t i o n , f r o m t h e b e g i n n i n g o f t h e ? r s t p u l s e t o t h e t e r m in a t i o n o f t h e ? n a l p u l s e , r a n g e s from 1 msec t o 38 s e c o n d s .The v a r i o u s p u l s e s e q u e n c e p a r a m e t e r s may b e s e l e c t a b l efrom s e t s o f d i s c r e t e v a l u e s o r , a l t e r n a t i v e l y , from c o n t i n uo u s ranges.
I n t h e d e v i c e o f F I G . 2 , t h e v a r i o u s p a r a m e t e r s a r et y p i c a l l y n o t c o m p l e t e l y i n d e p e n d e n t i n a s m u c h a s t h e t o t a lenergy s e l e c t e d W i l l f u n c t i o n a s a c o n s t r a i n t o n t h e rangesa v a i l a b l e f o r t h e o t h e r p a r a m e t e r s , t h a t i s , t h e t o t a l e n e r g ys e l e c t e d W i l l s e r v e t o r e g u l a t e o r c i r c u m s c r i b e t h e r a n g e sa v a i l a b l e t o t h e u s e r f o r t h e o t h e r p u l s e s e q u e n c e p a r a m e t e r s .W here t h e d e v i c e o f F I G . 2 h a s n o i n t e n s i t y a d j u s t m e n tc a p a b i l i t y , a s e l e c t i o n o f t h e t o t a l e n e r g y a n d t h e p u l s ed u r a t i o n m a y d e t e r m i n e t h e number o f p u l s e s . S i m i l a r l y , as e l e c t i o n o f t h e t o t a l e n e r g y a n d t h e number o f p u l s e s m a yd e t e r m i n e t h e p u l s e d u r a t i o n . I f t h e i n t e n s i t y i s a n a d j u s t a b l ep a r a m e t e r , once t h e t o t a l e n e r g y h a s been c h o s e n , t h e u s e rW i l l b e a b l e t o s e l e c t t h e m a g n i t u d e s o f tWo o f t h e t h r e ep a r a m e t e r s , p u l s e d u r a t i o n , i n t e n s i t y a n d n u m b e r o f p u l s e s .The i n t e r - p u l s e i n t e r v a l i s r e l a t e d t o t h e r a t e a t W hich r a d i a n te n e r g y i s a p p l i e d t o a s k i n s u r f a c e a n d m a y a c c o r d i n g l y b es u b j e c t e d t o some programmed c o n t r o l . L o n g e r p u l s e d u r at i o n s a n d / o r d e l a y s W i l l d e l i v e r e n e r g y a t a s l o W e r r a t e ( t o t a le n e r g y i s d i s t r i b u t e d o v e r l o n g e r t i m e ) a n d t h e r e f o r e b e s a f e rt o u s e W i t h h i g h e r e n e r g y l e v e l s . P r e f e r a b l y , t h e t o t a l e n e r g yi s a l W a y s a s e l e c t a b l e p a r a m e t e r a n d i s b e s t s e l e c t e d p r i o r t ot h e s e t t i n g o f t h e o t h e r p a r a m e t e r s . H o W e v e r , t h e d e v i c e o fF I G . 2 m a y be preprogrammed t o l i m i t t h e r a t e a t W hichr a d i a n t e n e r g y i s a p p l i e d t o a s k i n s u r f a c e , Which W i l l f o r c er e s t r i c t i o n s on t h e u s e r s a b i l i t y t o s e l e c t p u l s e p a r a m e t e rv a l u e s .
I n a n a l t e r n a t i v e embodiment o f t h e d e v i c e o f F I G . 2 ,s u i t a b l e f o r h ome u s e , i n t e r - p u l s e i n t e r v a l s e l e c t o r 3 2e n a b l e s a s e l e c t i o n o f i n t e r v a l s r a n g i n g fr om 200 msec t o 2s e c o n d s , W h i l e poWer s e l e c t o r 3 6 e n a b l e s t r e a t m e n t e n e r g i e sb e t W e e n 1 J / c m 2 a n d 4 0 J / c m 2 . P r e f e r a b l y , t h e p u l s e d u r a t i o nand t h e number o f p u l s e s a v a i l a b l e f o r s e l e c t i o n a r er e s t r i c t e d s o a s t o prevent t h e u s e r f r o m d e l i v e r i n g energy a tt o o h i g h a r a t e . I f t h e u s e r s e l e c t s a l a r g e p u l s e number, t h ep u l s e d u r a t i o n i s n e c e s s a r i l y s h o r t , W h e r e a s a s m a l l numbero f p u l s e s f o r c e s a l o n g e r p u l s e d u r a t i o n i n o r d e r t o a c h i e v et h e s e l e c t e d t o t a l e n e r g y . I t i s p r e f e r a b l e t o u s e a l a r g e rnumber o f p u l s e s a n d a s m a l l e r p u l s e d u r a t i o n i n o r d e r t ol i m i t t h e r a t e a t W hich l i g h t e n e r g y i s a p p l i e d t o a s k i ns u r f a c e . P u l s e number s e l e c t o r 34 m a y t h e r e f o r e e n a b l e as e l e c t i o n o f t h r e e t o t e n p u l s e s p e r p ul s e s e q u e n c e , W h i l e
10
1 5
25
40
45
55
6 5
8p u l s e d u r a t i o n s e l e c t o r 38 e n a b l e s a s e l e c t i o n o f p u l s e sl a s t i n g 1 mse c t o 10 m s e c . The v a r i o u s p u l s e sequencep a r a m e t e r s m a y b e s e l e c t a b l e from s e t s o f d i s c r e t e v a l u e s o r ,a l t e r n a t i v e l y , f r o m c o n t i n u o u s r a n g e s .
Aperson u s e s t h e d e v i c e o f F I G . 1 o r 2 t o a p p l y p u l s e s o fl i g h t t o a s k i n s u r f a c e f o r p u r p o s e s o f e f f e c t i v e l y s e v e r i n g o rd e s t r o y i n g h a i r ? b e r s beloW t h e s u r f a c e o f t h e s k i n t ot e m p o r a r i ly p r e v e n t h a i r s f r o m g r o W i n g t h r o u g h a n d t h u sbecoming v i s i b l e on t h e s k i n . The u s e r ? r s t performs ac a l i b r a t i o n o r i n i t i a l i Z a t i o n procedure t o determine an app rop r i a t e p u l s e s e t t i n g a n d a h a i r - r e g e n e r a t i o n p e r i o d f o r t h a ts e t t i n g . The t e r m h a i r - r e g e n e r a t i o n p e r i o d i s u s e d h e r e i n t od e n o t e t h e t i m e i t t a k e s f o r h a i r t o r e a p p e a r on t h e s k i ns u r f a c e a f t e r a p u l s e s e q u e n c e h a s been a p p l i e d t o t h a ts u r f a c e a t a s e l e c t e d s e t t i n g .
During t h e c a l i b r a t i o n o r i n i t i a l i Z a t i o n s t a g e , t h e u s e rs h o u l d ? r s t s e l e c t a l o W - e n e r g y p u l s e s e q u e n c e t o d e t e r m i n eW h e t h e r t h a t s e q u e n c e i s e f f e c t i v e i n removing t h e h a i r o f as e l e c t e d s k i n r e g i o n . The i n d i v i d u a l m a y ?nd t h a t a g i v e ns e t t i n g d o e s n o t a d e q u a t e l y remove t h e h a i r ( e . g . , some h a i r sdo n o t f a l l o u t ) o r r e q ui r e s a t o o f r e q u e n t t r e a t m e n t . I n s u c hc a s e s , t h e i n d i v i d u a l s h o u l d r e t r y t h e c a l i b r a t i o n o r i n i t i a li Z a t i o n p r o c e d u r e u s i n g a h i g h e r - e n e r g y s e t t i n g .
Using t h e d e v i c e o f F I G . 1 , a n i n d i v i d u a l W i l l ? r s t s e l e c ta loW s e t t i n g t o d e t e r m i n e W h e t h e r t h a t loW s e t t i n g i se f f e c t i v e i n h a i r r e m o v a l . I f n o t , a n e X t h i g h e r o r m e d i u ms e t t i n g may b e t r i e d . G e n e r a l l y , h i g h e r s e t t i n g s W i l l b e u s e do n l y a s t h e c i r c u m s t a n c e s W a r r a n t , f o r i n s t a n c e , i f t h e h a i r? b e r s a r e t h i c k a n d t h e s k i n i s l i g h t .
I n d e t e r m i n i n g o p t i m a l s e t t i n g s W i t h t h e d e v i c e o f F I G . 2 ,a u s e r should choose i n i t i a l parameter v a l u e s Which i nc o m b i n a t i o n r e s u l t i n t h e a p p l i c a t i o n o f s m a l l amounts o fe n e r g y . T h u s , Where one o r more s e l e c t e d p u l s e p a r a m e t e r sa r e a s s o c i a t e d W i t h h i g h t re a t m e n t e n e r g i e s , o t h e r p u l s ep a r a m e t e r s s h o u l d be s e l e c t e d t h a t a r e a s s o c i a t e d W i t h loWt r e a t m e n t e n e r g i e s .
Where a l l t h e p u l s e p a r a m e t e r s a r e i n d e p e n d e n t l ya d j u s t a b l e , l o W e r t r e a t m e n t e n e r g i e s W i l l g e n e r a l l y r e s u l tf r o m s e t t i n g s i n v o l v i n g f e W p u l s e s ( s a y , 1 3 i n s t e a d o f 8 1 0p u l s e s ) , l o n g i n t e r - p u l s e i n t e r v a l s ( 3 0 0 m s e c o r m o r e ) , s h o r tp u l s e d u r a t i o n s ( 2 0 m s e c o r l e s s ) , l o W l i g h t i n t e n s i t y ( i fs e l e c t a b l e , f o r e x a m p l e , v i a a n a d j u s t a b l e n e u t r a l d e n s i t y? l t e r ) , a n d l o W t o t a l e n e r g i e s ( l e s s t h a n 4 0 J o u l e s p e r s q u a r ec e n t i m e t e r o f s k in s u r f a c e ) . I f a g i v e n s e t t i n g p r o v e s t o b ei n e f f e c t i v e , t h e u s e r m i g h t a d j u s t s e l e c t o r 32 o r 38 t od e c r e a s e t h e i n t e r - p u l s e i n t e r v a l o r i n c r e a s e t h e p u l s e l e n g t h ,t h e r e b y e f f e c t i v e l y i n c r e a s i n g t h e p o W e r o r r a t e a t Which t h er a d i a n t e n e r g y i s d e l i v e r e d t o t h e t a r g e t s k i n s u r f a c e . A l t e rn a t i v e l y o r a d d i t i o n a l l y , t h e u s e r m i g h t i n c r e a s e t h e numbero f p u l s e s v i a s e l e c t o r 34 o r i n c r e a s e t h e a p p l i e d e n e r g y v i as e l e c t o r 3 6 . These a d j u s t m e n t s W i l l r
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