Television receiver with auxiliary input connector providing a s

Details Television receiver with auxiliary input connector providing a s Television receiver with auxiliary input connector providing a s

1989-04-20

1990-10-16

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 21R, 358 22, 358 39, H04N 5445

Patent

active

049639587

ABSTRACT:
An auxiliary video input terminal (S-terminal) couples luminance and chrominance input signals to respective inputs of peaking circuits in the display processor of a receiver. The chrominance input signal is subjected to pre-distortion (de-peaking) to correct for sideband amplitude distortion in the chrominance peaking filter of the receiver thereby preventing color distortion in displayed images. The luminance signal is subjected to additional peaking at a frequency greater than the characteristic peaking frequency of the luminance peaking filter thereby enhancing the sharpness of wideband luminance input signals displayed by the receiver.

REFERENCES:
patent: 4644387 (1987-02-01), Bell et al.
patent: 4689663 (1987-08-01), Bell et al.
"Hitachi S-VHS Digital Hi-Fi Videotape Recorder VT-Z70" pub. by TV Gijutsu, Aug. 1987, pp. 24-37.
"Sony Introduces 8mm Hi-Band Products" pub. in TV Digest vol. 29, No. 7, Feb. 13, 1989, pp. 11-12.

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