Horizontal raster size controller for a monitor

Details Horizontal raster size controller for a monitor Horizontal raster size controller for a monitor

1995-08-30

1997-05-06

Lee, Benny

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315408, 315411, H01J 2970

Patent

active

056274378

ABSTRACT:
A device for adjusting a horizontal raster size in a monitor is disclosed, wherein, by detection of beam current applied to a cathode ray tube of induced voltage across a flyback transformer. An error detector detects overvoltage or overcurrent and generates a pulse to a frame compensator. A variation in size of horizontal raster is regulated by controlling output signal of a horizontal output and deflection circuit, whereby a stabilized video frame in horizontal size is obtained.

REFERENCES:
patent: 4584503 (1986-04-01), Pan
patent: 5016156 (1991-05-01), Ogawa
patent: 5029269 (1991-07-01), Elliott et al.
patent: 5034667 (1991-07-01), Lendaro
patent: 5278746 (1994-01-01), Matsumoto
patent: 5317495 (1994-05-01), Furukawa
patent: 5357175 (1994-10-01), Kameda et al.
patent: 5466993 (1995-11-01), Leaver

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