Automatic waveform equalizing system for television receiver

Details Automatic waveform equalizing system for television receiver Automatic waveform equalizing system for television receiver

1975-05-30

1977-08-23

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358188, H04N 514, H04N 544

Patent

active

040443817

ABSTRACT:
A television signal transmitted to and received by a television receiver is subject to waveform distortion while it is transmitted through the transmission path including the internal circuits of the television receiver. Such waveform distortion is automatically eliminated by an equalizer whose operating characteristic is controlled by a signal obtained by comparing the waveform of a signal to be transmitted with a constant waveform in the received television signal with the waveform of a reference signal generated by a reference signal generator. A transversal filter is used as this equalizer.

REFERENCES:
patent: 3283063 (1966-11-01), Kawashima et al.
patent: 3646480 (1972-02-01), Spaulding
patent: 3730984 (1973-05-01), Smith
patent: 3778543 (1973-12-01), Lowry
patent: 3858240 (1974-12-01), Golding et al.

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