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nov 7, 2002 - Simplicity Signalers

Description:

These Signal based devices add signaling to control various sounds within the house. In other words, sounds that are made can be represented into a signal, making it easier for the Deaf to be aware

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Deaf Technology 1960s-2017

ByBlanche Padecio
13 Dec 2017
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Date:

nov 7, 2002
Now
~ 22 years ago
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