Drive circuits for a high resolution cathode ray tube display

Details Drive circuits for a high resolution cathode ray tube display Drive circuits for a high resolution cathode ray tube display

1978-04-17

1980-12-09

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358188, 340728, H04N 568

Patent

active

042387744

ABSTRACT:
A dynamic new circuit is disclosed which permits an extremely high resolution cathode ray tube display. Utilizing this circuit, horizontal drive operating frequency may be increased by a factor of approximately four and video drive operating frequency may be increased by a factor of approximately ten. Improved circuits for horizontal drive, vertical drive, video drive and associated circuitry are disclosed which cooperate to produce a high frequency display which has unparalleled clarity and resolution.

REFERENCES:
patent: 2237651 (1941-04-01), Bruche
patent: 2717329 (1955-09-01), Jones et al.
patent: 3176137 (1965-03-01), Hofmann et al.
patent: 3504122 (1970-03-01), Ratliff
patent: 3559085 (1971-01-01), Ishijima
patent: 3662102 (1972-05-01), Herndon
patent: 3750133 (1973-07-01), Helbig et al.
patent: 3878532 (1975-04-01), Buck
patent: 3947723 (1976-03-01), Thompson
Proceedings of the Society of Photo-Optical Instrumentation Engineers, vol. 4, May 5, Oct. 1972.

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