Remote siren headset
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 20, 1994
Grant Date -
N/A
app pub date -
Jul 28, 1993
filing date -
Jul 28, 1993
priority date (Note) -
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Abstract
A wireless remote active noise canceling headset including residual microphones (35, 34) mounted on the headset (30) with speakers (32, 33) located adjacent to the residual microphones and an algorithm driven synchronous controller to operate said headset.
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