FM stereo receiver

Details FM stereo receiver FM stereo receiver

1985-12-16

1987-05-26

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

455208, H04H 500

Patent

active

046691197

ABSTRACT:
An FM stereo receiver has a loop having a negative loop gain for the pilot signal contained in the input signal in the form of a frequency modulation. As a result thereof the frequency modulation of the input signal is reduced or suppressed by the pilot signal, so that the interference introduced by this pilot signal is also reduced or suppressed.

REFERENCES:
patent: 3270138 (1966-08-01), Golonski
patent: 4076963 (1978-02-01), Fujie et al.
patent: 4092602 (1978-05-01), Nishioka et al.
patent: 4195203 (1980-03-01), Sakai et al.
patent: 4249038 (1981-02-01), Stienstra
patent: 4300019 (1981-11-01), Toyomaki
patent: 4300020 (1981-11-01), Toyomaki
patent: 4306112 (1981-12-01), Ueno
patent: 4502148 (1985-02-01), Ishida et al.
patent: 4523328 (1985-06-01), Kasperkovitz

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