Intergrated hearing aid for telecommunications devices
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United States of America Patent
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Jan 27, 2004
Grant Date -
Nov 15, 2001
app pub date -
May 2, 1997
filing date -
May 2, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A system integrates a hearing aid with devices such as wireless telephones, advantageously avoiding radio frequency (RF) interference. In one embodiment, a processor transforms an electrical signal to compensate for a hearing impairment. The function used for signal transformation can be accessed via a processor memory enhancement such as a smart card. A digital-to-analog converter (DAC) converts the transformed signal to an analog signal, which then goes to an amplifier and speaker. In other embodiments, an analog amplifier transforms the electrical signal.
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