Development of the TTY – Part II

Lang (2000) reports that in 1964, at the time of the introduction of touch-tone phones, there were more than 85 million telephones in the United States and Canada but less than one percent were used regularly by deaf people.  If they didn’t ask their hearing neighbors for help, people with hearing loss depended upon their hearing children, some…

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Development of the TTY – Part I

 In the mid 1970s, as a young audiologist working in a university aural rehabilitation clinic, I inherited an old TTY.  ‘Old’, at the time, was 1960s technology that cost between $650 and $1000, making it a luxury item that very few deaf individuals could afford.  Each person who was communicating required their own TTY so it was definitely an expensive device.  Additionally, the TTY was…

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