Telecommunications – Transmitter and receiver at same station – With a common signal processing stage
Patent
1981-01-29
1982-11-02
Ng, Jin F.
Telecommunications
Transmitter and receiver at same station
With a common signal processing stage
455 90, 455351, H04B 138
Patent
active
043577113
ABSTRACT:
A 43 channel citizens band radio motorcycle safety helmet, including a helmet shell having a removable front windshield, and containing a C.B. radio, a pair of earphones, a microphone and a control console, the earphones being selectively movable in position so to allow exterior sounds pass through helmet side holes to the ears.
REFERENCES:
patent: 3239842 (1966-03-01), Marcello
patent: 3430261 (1969-03-01), Benner
patent: 3822698 (1974-07-01), Guy
patent: 3889190 (1975-06-01), Palmer
Drefko Joseph
Spector George
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