Channel number memory for television tuners

Details Channel number memory for television tuners Channel number memory for television tuners

1974-01-17

1976-03-30

Mayer, Albert J.

325459, H04B 106

Patent

active

039477738

ABSTRACT:
A voltage controlled tuner in a television receiver is tuned to a desired television channel by sequentially selecting first and second digits representative of a desired channel number. The digits are stored in first and second memory registers from which corresponding analog tuning voltages are developed. Noise immunity circuitry coupled to the memory registers assures accurate registration of the channel digits in the memory registers by minimizing effects of contact bounce and other extraneous noise signals.

REFERENCES:
patent: 3636319 (1972-01-01), Nixon
patent: 3681574 (1972-08-01), Caulkin
patent: 3748645 (1973-07-01), Kawashima

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