Cathode ray tube driver circuit

Details Cathode ray tube driver circuit Cathode ray tube driver circuit

1984-10-22

1986-08-05

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 29, 358 74, 358242, H04N 920, H04N 964, H04N 916, H04N 568

Patent

active

046046470

ABSTRACT:
A driver circuit for a CRT is disclosed wherein opposite polarity control signals are derived from a single video color signal and are applied to the cathode and grid of an electron gun of the CRT to control beam current and consequently the light output of the image generated by the gun on the screen of the tube.

REFERENCES:
patent: 2952736 (1960-09-01), Larky et al.
patent: 3334180 (1967-08-01), Loughlin
patent: 3465095 (1969-09-01), Hansen et al.
patent: 3967314 (1976-06-01), Anglin
patent: 4053927 (1977-10-01), Schmidtmann
patent: 4130829 (1978-12-01), Kam et al.
patent: 4139861 (1979-02-01), Anglin
patent: 4233624 (1984-11-01), Hinn et al.
patent: 4300074 (1981-11-01), Diddens et al.
patent: 4438366 (1984-03-01), Kamata
Basic Television and Video Systems, by B. Grob, 5th edition, McGraw-Hill, 1984, pp. 116-117 and 177.

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