Inventor
PATTERSON AUDLEY F
US5 patents
Patents
5 patentsUS7224992B2May 29, 2007
Four pole stereo headset with push to talk capability in a duplex radio
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US7110559B2Sep 19, 2006
System and method for controlling audio output
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US5749056AMay 5, 1998
Audio ramping technique for a radio
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US7089176B2Aug 8, 2006
Method and system for increasing audio perceptual tone alerts
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US7221301B2May 22, 2007
Method and system for mitigating background noise for a Sigma-Delta digital-to-analog converter
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