Raster size regulating circuit

Details Raster size regulating circuit Raster size regulating circuit

H - Electricity

04

N

350/102

H04N 3/23 (2006.01) G09G 1/04 (2006.01) H04N 3/223 (2006.01)

Patent

CA 2039783

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.

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