Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1978-11-06
1980-05-06
Martin, John C.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455195, H04B 106
Patent
active
042019443
ABSTRACT:
With a receiver, tunable by means of a tuning voltage, which receiver is provided with a measuring instrument as a tuning scale, a convenient adjustment of presetting potentiometers to transmitters found by means of a main tuning device is enabled by a periodically switching of the measuring instrument between the relevant presetting potentiometer and the main tuning device.
REFERENCES:
patent: 3573734 (1969-04-01), Williams et al.
patent: 3667052 (1972-05-01), Effenberger
patent: 3767112 (1973-10-01), Tonari
patent: 4156198 (1979-05-01), Heuer
Briody Thomas A.
Chin Tommy P.
Goodman Edward W.
Martin John C.
Streeter William J.
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