Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent
1987-01-29
1988-02-23
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Broadcast or multiplex stereo
381 13, 329112, 329147, H04H 500
Patent
active
047275804
ABSTRACT:
A radio receiver most suitable for use in a car includes a pulse count demodulating circuit and a second demodulating circuit other than a pulse count detecting circuit so that a demodulation signal from selected one of the demodulating circuits is supplied according to the level of a detection signal supplied from a received electric field intensity detecting circuit.
REFERENCES:
patent: 3974453 (1976-08-01), Ohsawa
patent: 4612510 (1986-09-01), Lawton
Alpine Electronics Inc.
Isen Forester W.
Shoup Guy W.
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