Crosstalk attenuator system

Details Crosstalk attenuator system Crosstalk attenuator system

1979-10-05

1982-03-30

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, 358198, 360 20, 369 61, H04N 576, H04N 521, G11B 502

Patent

active

043227465

ABSTRACT:
Disclosed is a crosstalk attenuator system for reducing the crosstalk which occurs at the time of separating and reproducing the original signals from the video disc recording medium on which a video signal and a voice signal have been recorded as a compound signal on the same track. In the system, a first multiplier receives both the signals separated from the medium to analyze the relative relation between the signals and thus to generate an output signal according to the amount of the crosstalk between the signals; a second multiplier receives the output signal and one of the signals to generate a feedback signal equivalent to the other crosstalk signal component mixed in one signal, and the feedback signal is subtracted from the other signal component thereby to reduce the crosstalk.

REFERENCES:
patent: 3371154 (1968-02-01), Frohbach et al.
patent: 3663747 (1972-05-01), Janssen
patent: 3830968 (1974-08-01), Redlich et al.
patent: 4051533 (1977-09-01), Griffiths
patent: 4199786 (1980-04-01), Orii
patent: 4211978 (1980-07-01), Takahashi
patent: 4237485 (1980-12-01), Saito et al.

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