US006223347B1 (12) United States Patent Watanabe et al. US 6,223,347 B1 Apr. 24, 2001 (10) Patent N0.: (45) Date of Patent: (54) DATA DISPLAY CONTROL APPARATUS (75) Inventors: Shigeaki Watanabe, Kyoto; Kazutoshi Sumiya, Nishinomiya; Kiyokazu Yamanaka, Ashiya; Yuki Kusumi, 7/1996 Gibson. 10/1996 K0 et al. . 5,539,871 5,566,293 FOREIGN PATENT DOCUMENTS Kashiba; Masahiro Oashi, Hirakata; 827336 3/1998 (EP) _ Tatsuya Shimoji; Masayuki Kozuka, 2728089 11/1995 (FR) _ both of NeyagaWa; Yoshihiro Mimura, 39393 1/1991 (JP) _ Hirakata; Yoshiyuki Miyabe, Osaka; 789267 1/1991 (JP) _ Kazuo Okamura, Hirakata; Takashi 4274553 9/1992 (JP) _ Kakiuchi, Toyonaka; J unichi Hirai, 8241065 9/1996 (JP) _ Suita; Naoya Takao, Kadoma; Toshiya 9525213 9/1995 (W0) _ Mori, Settsu; Ikuo Minakata, Souraku, 95/25313 * 9/1995 (WO) ........................... .. G06F/17/30 all of (JP) 9619077 6/1996 (WO) . _ _ _ _ 9708837 3/1997 (WO) . (73) AssIgnee: Matsushlta Electric Industrial Co., 9712342 4/1997 (W0) _ Ltd» Osaka (JP) 9737736 10/1997 (WO) . ( * ) Notice: Subject to any disclaimer, the term of this * _ d b _ patent is extended or adjusted under 35 Cue y exammer U.S.C. 154(b) by 0 days. ' Primary Examiner—John W. Miller (21) Appl' NO" 08/928’010 (74) Attorney, Agent, or Firm—Price and Gess (22) Filed: Sep. 11, 1997 (57) ABSTRACT (30) Foreign Application Priority Data Adata display control apparatus receives a digital broadcast Sep. 11, 1996 (JP) ................................................. .. 8-240297 _ _ _ _ _ _ and compares the present time With a time indicated In a 7 . Int. Cl. .............................. .. TimeiEVentiPart provided in navigation information used (52) US. Cl. .............. .. 725/139; 725/140; 725/142 to Control the dis 1a of the multimedia data Com 05in a (58) Field Of Search ............................... .. 348/552, 906, p y _ _ _ p g 348/12; 345/327; 709/219 broadcast program. When the Indicated time has been _ reached, the data display control apparatus executes instruc (56) References Clted tions to control the display of the multimedia data. U.S. PATENT DOCUMENTS 5,195,134 3/1993 Inoue _ 21 Claims, 38 Drawing Sheets /1000 DATADISPLAYCONTROLAPPARATUS l 1010 1020 1030 TS DECODER UNIT AV DECODER UNIT RECEPTION UNIT 1040 11111101111101 11111111111111 C1031 / 1 1021 RECEIVEDDATASTORAGBUNIT STREAMCORRIgSTKIJétIADSENSEI A050 (1 /106O /1070 / INFORMATION 1041 - RECEPTIONCONTROLUNIT REPRODUCTION DISPLAY NAVIGAIIONINFORMAIION _) IT __> UNIT / 00110111111 BYTECODEER UN 1042 SYSTEM INFORMATION INTERPRET /l080 / STORAGEUNIT 1051 AUDIO OUTPUT 1043 TlMEixlélgOgwTloN UNIT /STOR 101g SIGNAL RECEPTION #1100 UNIT
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Adata display control apparatus receives a digital broadcast Sep. 11, 1996 (JP) ................................................. .. 8-240297 _ _ _ _ _ _
and compares the present time With a time indicated In a 7 .
Int. Cl. .............................. .. TimeiEVentiPart provided in navigation information used
(52) US. Cl. .............. .. 725/139; 725/140; 725/142 to Control the dis 1a of the multimedia data Com 05in a (58) Field Of Search ............................... .. 348/552, 906, p y _ _ _ p g
348/12; 345/327; 709/219 broadcast program. When the Indicated time has been _ reached, the data display control apparatus executes instruc
(56) References Clted tions to control the display of the multimedia data.