Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1981-11-25
1984-02-21
Lieberman, Eli
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
455277, 343876, H04B 708, H01Q 324
Patent
active
044333447
ABSTRACT:
Automatic selection of a directional antenna providing the best television reception is provided for in an antenna control circuit that includes a circuit for automatically sampling the video output for each directional antenna and connecting the directional antenna that produces the strongest video signal to the receiver. The antenna control circuit includes a timer circuit that responds to the horizontal and vertical synchronizing pulses of the receiver to control the duration and timing of the sampling.
REFERENCES:
patent: 3368151 (1968-02-01), Verwey et al.
Gradin James H.
Joseph John S.
Killingsworth Ted E.
Lieberman Eli
McMurray Michael B.
Sundstrand Data Control Inc.
Williamson Harold A.
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