Radio receiver

Details Radio receiver Radio receiver

1985-12-09

1988-08-02

Masinick, Michael A.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

455302, 455305, H04B 110

Patent

active

047618280

ABSTRACT:
In a radio receiver in which the received signal is converted by mixing into an intermediate frequency signal and/or a baseband signal, the degree of distortion of received disturbance signals in the receiver is temporarily changed and a recognition circuit is used which recognizes from the change in the signal gaining demodulation, caused by the change in the degree of distortion, whether the receiver is receiving spurious interference signals falling into the useful channel, and which, in the event of such a disturbance signal reception, initiates a suppression or reduction of the spurious interference signals.

REFERENCES:
patent: 3622887 (1971-11-01), Byles
patent: 4126828 (1978-11-01), Kumagai
patent: 4172239 (1979-10-01), Harford
patent: 4245353 (1981-01-01), Bynum
patent: 4355414 (1982-10-01), Inoue
patent: 4479254 (1984-10-01), Craiglow
patent: 4580288 (1986-04-01), Rinderle
patent: 4653116 (1987-03-01), Lindenmeier et al.
Meinke et al., Prof. Dr. E.h. H. H., "Storwirkung von Fremdsendern bei Autoradios" Funkschau (1978) pp. 86-90.

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