Power supply circuit

Details Power supply circuit Power supply circuit

H - Electricity

04

N

355/26

H04N 9/27 (2006.01) H04N 9/00 (2006.01)

Patent

CA 1139452

Abstract. A power supply circuit is provided with a voltage control circuit (1) with negative feedback for applying a rapidly changing high voltage to the anode of a penetron-type cathode ray tube (3) for a colour display system and with a deflection voltage correcting unit (5) for obtaining colour-independent pictures on the screen of the cathode ray tube. The deflection voltage correcting unit is controlled by at least a correction signal derived from an input voltage of the voltage control circuit.

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