HIGH NOISE IMMUNITY EMERGENCY RESONDER COMMUNICATION SYSTEM
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United States of America Patent
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N/A
Issued Date -
Feb 26, 2009
app pub date -
Aug 21, 2007
filing date -
Aug 21, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
High noise immunity communication systems are provided for voice communications among emergency responders, in which first and second wireless devices employ near field spread spectrum data modems to transfer digital audio data between a responder mask or helmet and a secondary device affixed to the responder's clothing or uniform to allow the responder to broadcast messages to other responders and to hear broadcasts from other responders.
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