Raster scan color display system and method having improved pin

Details Raster scan color display system and method having improved pin Raster scan color display system and method having improved pin

1980-01-29

1982-06-15

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315393, H01J 2970

Patent

active

043353339

ABSTRACT:
A raster scan color display system for a CRT includes a vertical sweep system wherein a parabolic signal repeating at the horizontal sweep rate is multiplied with a vertical sweep signal corresponding to a linear ramp repeating at a vertical deflection rate. The output is differentiated and capacitively coupled to a wideband voltage drive vertical deflection amplifier to provide pin-cushion non-linearity correction.

REFERENCES:
patent: 2623196 (1952-12-01), Toulon
patent: 2649555 (1953-08-01), Lockhart
patent: 3175121 (1965-03-01), Birnbaum et al.
patent: 3422306 (1969-01-01), Gray
patent: 3995196 (1976-11-01), Lehnert
patent: 4041354 (1977-08-01), Haferl
patent: 4101814 (1978-07-01), Haferl
patent: 4184104 (1980-01-01), Shouse, Jr.
patent: 4198591 (1980-04-01), Ohmori

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