Linear scan control for a CRT display system

Details Linear scan control for a CRT display system Linear scan control for a CRT display system

1994-12-22

1997-09-09

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315408, 315403, H01Q 300

Patent

active

056660324

ABSTRACT:
In a highly accurate linear scan control for a CRT image display system useful for reproducing photographic images, distortion effects produced by system transients resulting from deflection drive amplifier circuits, are eliminated by introducing a step incremental increase in the input drive waveform at the start of the trace (scan) interval following the end of the retrace interval.

REFERENCES:
patent: 3689797 (1972-09-01), Hetterscheid et al.
patent: 3784857 (1974-01-01), Christopher
patent: 3988638 (1976-10-01), Nillesen
patent: 4142132 (1979-02-01), Harte
patent: 4687974 (1987-08-01), Miyakawa
patent: 4777411 (1988-10-01), O'Connor et al.
patent: 4980614 (1990-12-01), Yamada et al.
patent: 5013978 (1991-05-01), Macaulay
patent: 5345152 (1994-09-01), Wilber
"Suppression of Horizontal Deflection Current Ringing", IBM Technical Disclosure Bulletin, vol. 29, No. 10, Mar. 1987, pp. 4456-4458.

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