Pincushion correction circuit

Details Pincushion correction circuit Pincushion correction circuit

H - Electricity

04

N

350/102

H04N 3/16 (2006.01) H04N 3/23 (2006.01) H04N 3/233 (2006.01)

Patent

CA 1082354

PINCUSHION CORRECTION CIRCUIT Abstract of the Disclosure A side pincushion correction circuit having an impedance circuit in series with the deflection coil. A controlled switch coupled in a branch of the impedance circuit is operated at times during the second half of the horizontal retrace interval which are progressively advanced during the first half of vertical interval and retarded during second half of vertical interval. Enhanced inside pincushion distortion correction is provided when the impedance circuit includes a capacitor coupled in series with the switch. -1-

265647

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