Receiver for RF-signals comprising a pair of parallel signal pat

Details Receiver for RF-signals comprising a pair of parallel signal pat Receiver for RF-signals comprising a pair of parallel signal pat

1984-03-23

1986-12-30

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358160, 358174, 358 23, 455265, H04N 514, H04N 544

Patent

active

046333150

ABSTRACT:
A receiver for receiving a signal modulated on an RF-carrier, includes amplitude and phase control for reducing, to a very low value, deviations in the amplitude and phase correspondence of the signals in two signal paths therein in order to avoid an image interference signal due to incomplete mutual cancellation or image frequency rejection of unwanted modulation signals.

REFERENCES:
patent: 4157569 (1979-06-01), Apeldoorn et al.
patent: 4159482 (1979-06-01), Apeldoorn
patent: 4314206 (1982-02-01), Attwood et al.
patent: 4359692 (1982-11-01), Ryan
patent: 4509205 (1985-04-01), Kasperkovitz

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