Circuit for determining carrier frequencies of frequency modulated signals
United States Patent 2478311
US Patent References:
Means for indicating frequency changes
- - 1663086
Reception of frequency modulated waves and circuits therefor
- - 2100394
Communication system
- - 2317547
Two-way radio communication
- - 2363583
Radio transmission and monitoring system
- - 2412991
Means for indicating frequency changes
- - 1663086
Reception of frequency modulated waves and circuits therefor
- - 2100394
Communication system
- - 2317547
Two-way radio communication
- - 2363583
Radio transmission and monitoring system
- - 2412991
Inventors:
Pease, Marshall C.
Publication Date:
08/09/1949
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Assignee:
Pease, Marshall C.
Primary Class:
International Classes:
H04K3/00
US Patent References:
| 2418139 | Transmitter adjusting system |