Keyboard channel selection for television receivers

Details Keyboard channel selection for television receivers Keyboard channel selection for television receivers

1976-12-27

1979-05-22

Griffin, Robert L.

325464, 325470, H04B 106

Patent

active

041561988

ABSTRACT:
Apparatus is provided for tuning a varactor tuning system by means of a keyboard or other switch means. By selecting switches representing the digits of a channel member, a signal is provided for tuning a given channel with a varactor tuner. When a station having a channel number corresponding to the selected channel number is tuned, the tuning of the varactor tuner is inhibited.

REFERENCES:
patent: 3931579 (1976-01-01), Ma et al.
patent: 3943451 (1976-03-01), Stoddard
patent: 3988681 (1976-10-01), Schurmann
patent: 4002985 (1977-01-01), Merell
patent: 4004232 (1977-01-01), Amaya
patent: 4077009 (1978-02-01), Klank et al.

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