Telecommunications Device For The Deaf (TDD)

Telecommunications Device for the Deaf (TDD)
In 1963, Robert Weitbrecht developed a large acoustic coupler.
This device has helped with breaking down the communication barrier between
the Hearing and Deaf communities. This device today is called the TTY,
which is short for Teletypewriter. Today, most people who use these
machines call them TDD, which is short for Telecommunications Device for
the Deaf. TTY and TDD are names that are interchangeably used. This is a
picture of what the typical TDD machine looks like today.
The TDD machine operates much like an Internet chat program and has
aided the Deaf and Hearing communities by helping them break down
communication obstacles. ...

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the other party reads. Unfortunately, TDD machines only
have half-duplex capabilities. This means that only one person at a time
can type. On that account, people who use TDD machines use letters that
represent word-signals, which aid in the process of keeping the
conversation flowing. For instance, when one person says, “Hello, this is
Mike,” he uses the letter GA, which stands for, go ahead, to signal to the
receiving party that he is finished typing. When either party wants to end
the conversation, the letters SK are used to let the receiver know to stop
keying and to end the conversation.
The most important thing the TDD machine has done for the Deaf and
Hearing communities is to bring them closer together. Future advancements
such as TDD machines and cellular telephones have been combined to make a
portable communications device. A little further down the road it will not
be uncommon for someone to have a TDD machine built into his or her
wristwatch. ...

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Telecommunications Device For The Deaf (TDD). (2007, March 14). Retrieved August 13, 2020, from
"Telecommunications Device For The Deaf (TDD).", 14 Mar. 2007. Web. 13 Aug. 2020. <>
"Telecommunications Device For The Deaf (TDD)." March 14, 2007. Accessed August 13, 2020.
"Telecommunications Device For The Deaf (TDD)." March 14, 2007. Accessed August 13, 2020.
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Added: 3/14/2007 04:26:29 PM
Category: Computers
Type: Premium Paper
Words: 360
Pages: 2

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