Wide-band cathode-ray tube driving circuit

Details Wide-band cathode-ray tube driving circuit Wide-band cathode-ray tube driving circuit

1991-07-22

1993-06-01

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358169, 358 39, 358 40, 358 30, 358 31, H04N 557

Patent

active

052165086

ABSTRACT:
A wide-band cathode-ray tube driving circuit is disclosed for increasing the high-frequency response characteristic and the band-width of an amplifier in a video signal processing system. The circuit comprises a color difference signal processor, a luminance signal processor, a cathode-ray tube, a differential amplification circuit for differentially amplifying a color difference signal and a luminance signal and supplying the amplified signals to the cathode-ray tube and a current control circuit for controlling the amount of current flow in the differential amplification circuit. Thus, an image of heightened picture quality can be displayed on the cathode-ray tube.

REFERENCES:
patent: 3619486 (1971-11-01), Tzakis
patent: 3699243 (1972-10-01), Dann
patent: 3996609 (1976-12-01), Avery
patent: 4197557 (1980-04-01), Tuma
patent: 4209808 (1980-06-01), Harwood
patent: 4253110 (1981-02-01), Harwood
patent: 4309725 (1982-01-01), Groeneweg
patent: 4451840 (1984-05-01), Shanley, II
patent: 4451849 (1984-05-01), Fuhrer
patent: 4717953 (1988-01-01), Chang

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