Regulation of the scan width of a raster scanned CRT deflection

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits

Patent

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Details

315387, H01J 2970, H01J 2972

Patent

active

044144946

ABSTRACT:
The input voltage to the deflection system of a raster scanned CRT is made variable and is controlled by a feedback network in such a way that the width of the raster remains constant regardless of scanning frequency variations.

REFERENCES:
patent: 3965390 (1976-06-01), Spencer, Jr.
patent: 3983452 (1976-09-01), Bazin
patent: 4164688 (1979-08-01), Cushing

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