Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Patent
1994-12-21
1997-10-14
Urban, Edward F.
Telecommunications
Transmitter and receiver at same station
Having particular housing or support of a transceiver
455348, 455351, H04B 138
Patent
active
056782055
ABSTRACT:
Combination head-protective helmet and communications system including a head-protective helmet and a flexible flame retardant earflap mounted removably to the helmet wherein a voice communications system including interconnected transceiver circuitry, microphone, speaker, battery and antenna is mounted on the earflap for quick and easy removal from the helmet with the earflap.
REFERENCES:
patent: 2942072 (1960-06-01), Cunningham
patent: 4829599 (1989-05-01), Giorgio et al.
patent: 4833726 (1989-05-01), Shinoda et al.
patent: 5090054 (1992-02-01), Grilliot et al.
patent: 5119505 (1992-06-01), Tisseroni et al.
patent: 5404577 (1995-04-01), Zuckerman et al.
CairnsAir, Inc.
Urban Edward F.
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