High voltage generating circuit

Details High voltage generating circuit High voltage generating circuit

1975-10-16

1977-05-31

Beha, Jr., William H.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

321 2, H01J 2970

Patent

active

040272001

ABSTRACT:
A high voltage generating circuit for a television receiver including a flyback transformer having primary and secondary windings which are loosely coupled to achieve substantial operational isolation therebetween. The secondary winding has a diode rectifying circuit coupled thereto for developing the high voltage signal which is applied to the anode of the television receiver. A tertiary winding is provided which is tightly coupled to the secondary winding and which has a capacitor in parallel therewith to form a resonant circuit which is resonant at a frequency somewhat higher than the horizontal sweep frequency applied to the deflection coil of the television receiver.

REFERENCES:
patent: 3706023 (1972-12-01), Yamada et al.
patent: 3813574 (1974-05-01), Sato
patent: 3828239 (1974-08-01), Nagai et al.
patent: 3868538 (1975-02-01), Blanchard
patent: 3883780 (1975-05-01), Tsukuda
patent: 3911214 (1975-10-01), Mitsuda

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