Color television receiver

Details Color television receiver Color television receiver

1980-03-27

1981-12-29

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 21R, H04N 9535

Patent

active

043085520

ABSTRACT:
A video signal obtained through detection by a video intermediate frequency circuit is applied to a luminance signal circuit and a chrominance signal circuit. The luminance signal circuit comprises a luminance signal amplifier which does not include a delay line. A delay characteristic of a tuner and/or the video intermediate frequency circuit is selected a delay characteristic on the part of a transmitter, to offset a delay time difference between the luminance signal circuit and the chrominance signal circuit, whereby a delay line can be omitted in the luminance signal circuit, as described previously. Preferably, a surface acoustic wave device is provided in the tuner and/or the video intermediate frequency circuit, so that a group delay characteristic of the surface acoustic wave device and the delay characteristic on the part of the transmitter can offset the delay time difference between the luminance signal and the chrominance signal without employing a delay line in the luminance signal circuit.

REFERENCES:
patent: 3582540 (1971-06-01), Adler
patent: 3600514 (1971-08-01), Poppy
patent: 3644749 (1972-02-01), Wilcox
patent: 4212029 (1980-07-01), Murakami et al.

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