Being Deaf - PAST by Unathi and Alex

Post on 24-Apr-2015

650 Views

Category:

Technology

1 Downloads

Preview:

DESCRIPTION

Thomas Tallis school is moving to a new building soon. We started a project called Thomas Tallis - Past, Present, Future. In this melancholic mood our Deaf did some thinking about the Deaf History. Here are some of Alex's and Unathi's thoughts about the Deaf History -PAST.

Transcript

DSC Presentation

•This will talk about deaf education PAST, PRESENT AND FUTURE

Hearing aidThat man use old hearing aid from

the 1800s years ago

1800s - 1900s

2 important inventions Telephone - Alexander Graham bell Battery - Thomas Eddison

1850 - 1890sA company in America started making hearing

aids

1898

people could buy hearing aid but they cost $400 but.......

•The battery needed a table !

1920s

Better amplification but HUGE battery

These three people must carry boxes

linked to hearing aid. They carried battery

in 1949

1952 - First small hearing aids and on/off switch - this

is not one of them!!!!!!!

1950s Attached to glasses ,cost

$229.50 - what do you do if you don’t need glasses?

1990 The first digital

hearing aids were

Smaller

Intelligent Cuts out unwanted

noise Recognises speech

So what now ?

top related