Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1978-07-17
1980-09-09
Richardson, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
334 86, H04B 106
Patent
active
042221200
ABSTRACT:
A display system for indicating the tuning positions of a tuner for tuning a receiver to any one of a relatively large number of stations includes a plurality of station indicators arranged in a linear array and two position indicators. When a station indicator is activated, it identifies that one station in a respective group of stations including a center and two adjacent stations having respective frequencies below and above the frequency of the center station is tuned. When one position indicator is activated it identifies that the lower adjacent station in a respective group is tuned. When the other position indicator is activated, it identifies that the upper adjacent station in the respective group is tuned. When neither position indicator is activated, the center station in the respective group is tuned.
REFERENCES:
patent: 3714585 (1973-01-01), Koch
patent: 3753119 (1973-08-01), Close
patent: 3986154 (1976-10-01), Yamada et al.
patent: 4039956 (1977-08-01), Shimanek
Braun Hi-Fi Neuheiton '78, Braun High Fiderity, Jul. 1978.
UKW-Rundfunksender in Mieteleuropa-Stand, Jul. 1974, Funkchau 1974, Heft 17, pp. 655-657.
Korting Kundendienstanweisung Service Instructions, Music-Center 685, Korting Radio Werke, 12/77.
Eumig-High Concert Fidelity, Eumig, Aug. 1977.
Chin Tommy P.
Emanuel Peter M.
Limberg Allen LeRoy
Rasmussen Paul J.
RCA Corporation
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