FM stereo demodulating device

Details FM stereo demodulating device FM stereo demodulating device

1976-09-29

1979-03-27

Olms, Douglas W.

H04H 500

Patent

active

041467477

ABSTRACT:
A sub-carrier switching signal is fed to a double balanced multiplier only when a pilot signal is detected, and the separation of the right and left channel outputs of the multiplier is performed only after the level of the pilot signal reaches a predetermined value.

REFERENCES:
patent: 3294912 (1966-12-01), Merritt
patent: 3296379 (1967-01-01), VON Recklinghausen
patent: 3634626 (1972-01-01), Staley
patent: 3825697 (1974-07-01), Cornell et al.
patent: 3943293 (1976-03-01), Bailey
patent: 3999132 (1976-12-01), Smith
patent: 4029906 (1977-06-01), Takahashi

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