Raster size regulating circuit

Details Raster size regulating circuit Raster size regulating circuit

1990-04-13

1991-07-23

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

315389, 358190, H01S 2970, G09O 104, H04J 563

Patent

active

050346679

ABSTRACT:
An arrangement that compensates for a tendency in a raster width of a display screen of a video display or television to increase when a variation in a beam current occurs, decreases an amplitude of a deflection current to decrease in a nonlinear manner as a function of an increase in the beam current. At a low beam current, a given increase in the beam current produces a decrease in the amplitude of the deflection current that is substantially greater than caused by the same increase at a high beam current.

REFERENCES:
patent: 3721858 (1973-03-01), Shimizu
patent: 3745246 (1973-07-01), Kashiwagi
patent: 4104567 (1978-08-01), Peer et al.
patent: 4298829 (1981-11-01), Luz
patent: 4559481 (1985-12-01), Dietz
patent: 4572993 (1986-02-01), Haferl
patent: 4645984 (1987-02-01), Sutherland, II et al.
patent: 4801852 (1989-01-01), Kashiwagi
patent: 4827194 (1989-05-01), Fernsler

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