Regulated deflection system

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Power supply from deflection circuit source

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H01J 2970

Patent

active

042271258

ABSTRACT:
The trace switch of a horizontal deflection circuit is coupled to a secondary winding of a flyback transformer. The primary winding is coupled to a source of energy and a regulator switch. A control circuit varies the phase angle of the regulator switch in accordance with an energy level of the deflection circuit. A regulator commutating inductance in combination with a commutating and tuning capacitance controls the duration of conduction of the regulator switch. The capacitance independently tunes with a flyback transformer winding to transfer energy from the source in a resonant manner.

REFERENCES:
patent: 3970780 (1976-07-01), Minoura
patent: 3999102 (1976-12-01), Gent et al.
patent: 4028589 (1977-06-01), Verbeig
patent: 4034262 (1977-07-01), Dietz
patent: 4037137 (1977-07-01), Dietz
patent: 4071810 (1978-01-01), Dobbert
patent: 4079295 (1978-03-01), den Hollander
patent: 4176304 (1979-11-01), Scott
Valvo Note, Apr. 15, 1975, "Thyristor H-Deflection Circuit With Network Isolation".

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