Deflection circuit

Details Deflection circuit Deflection circuit

1978-09-20

1980-03-11

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2970

Patent

active

041930185

ABSTRACT:
A trace current is generated in a horizontal deflection winding upon closure of a trace switch. A retrace capacitor forms a resonant retrace circuit with the deflection winding upon open-circuiting of the trace switch. A second resonant circuit is coupled to an energy supply and stores energy when the trace switch is closed. A second switch couples the resonant retrace circuit to the second resonant circuit during retrace. The stored energy in the second resonant circuit is then transferred to the resonant retrace circuit and to other load circuits, such as a flyback transformer.

REFERENCES:
patent: 3441791 (1969-04-01), Beck
patent: 3452244 (1969-06-01), Dietz
patent: 3749966 (1973-07-01), Ahrens et al.
patent: 3767960 (1973-10-01), Ahrens
patent: 3789260 (1974-01-01), Ahrens
patent: 3801856 (1974-04-01), Griepentrog et al.
patent: 3832595 (1974-08-01), Dietz
patent: 3920892 (1975-11-01), Dietz
patent: 3936115 (1976-02-01), Dietz
patent: 3993931 (1976-11-01), den Hollander
patent: 4104569 (1978-08-01), Forster et al.

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