Automatically activated wireless microphone for in-car video system
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United States of America Patent
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N/A
Issued Date -
Mar 20, 2003
app pub date -
Sep 19, 2002
filing date -
Sep 19, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wireless microphone system for a vehicle mounted surveillance system including an audio/video recorder, which may be automatically activated. Upon activation by the surveillance system, an ultrasonic transmitter generates an ultrasonic signal which is received by a portable wireless microphone to activate a radio transmitter. The radio transmitter generates a radio signal including audio information which is received by the surveillance system and recorded.
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