High voltage regulation system

Details High voltage regulation system High voltage regulation system

1976-03-22

1977-03-22

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

315387, H01J 2970

Patent

active

040139239

ABSTRACT:
A switching regulator power supply which provides operating voltage for a deflection system which in turn provides the ultor voltage for a picture tube and which ultor voltage is subject to variation caused by picture tube beam loading is controlled by a single pulse, the timing of which synchronizes the regulator operation and the width of which is determined by a bias level on a transistor which is coupled to a pulse differentiating network, the bias being determined by the level of an ultor voltage representative signal.

REFERENCES:
patent: 3885198 (1975-05-01), Pritchard et al.
patent: 3970780 (1976-07-01), Minoura

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