Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1978-06-30
1980-05-27
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455180, 455186, H04B 116
Patent
active
042052700
ABSTRACT:
During preset station selection operation in a digital receiver the station selection switch most recently operated is indicated by a light so as to prevent erroneous operation at the same switch again.
REFERENCES:
patent: 3651469 (1972-03-01), Keese
patent: 3924191 (1975-12-01), Collins et al.
patent: 3961261 (1976-06-01), Pflasterer
patent: 3968440 (1976-07-01), Ehni
patent: 4041402 (1977-08-01), Mogi
patent: 4085372 (1978-04-01), Mogi et al.
Ishibashi Yoshiaki
Kama Haruo
Kosuga Tadashi
Ogawa Tadashi
Okatani Masanao
Griffin Robert L.
Ng Jin F.
Pioneer Electronic Corporation
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