Electric flash apparatus

Details Electric flash apparatus Electric flash apparatus

1990-03-28

1991-10-01

Hix, E. T.

3541451, G03B 700

Patent

active

050538020

ABSTRACT:
An electric flash apparatus of the present invention is actuated to emit light by application of a trigger signal issues by a trigger circuit (5) after a power transistor (4), such as, an I.G.B.T. (insulated gate bipolar transistor) connected in series with a flash tube (3), is certainly turned to sufficient ON state.

REFERENCES:
patent: 4697906 (1987-10-01), Kobayashi et al.
patent: 4839686 (1989-06-01), Hosomizu et al.

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