Blocking converter for flash equipment

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307293, 315241P, H03K 1756, G05F 120

Patent

active

041503066

ABSTRACT:
A blocking converter is provided having a switching transistor controlled via a triggered monoflop with a defined on-time RC circuit which insures that the same electric energy quantity is always stored in a transformer driven by the switching transistor. The electrical energy is reversed to charge the charge capacitor during a blocking phase of the switching transistor. As soon as the reverse charge process is completed, the monoflop is retriggered. The blocking converter is preferably used in battery-operated electronic flash equipment for photography.

REFERENCES:
patent: 3319076 (1967-05-01), Gerig
patent: 3873893 (1975-03-01), Bianchini
patent: 4071884 (1978-01-01), Malgret

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