Electronic flash apparatus

Details Electronic flash apparatus Electronic flash apparatus

1985-07-29

1987-04-14

Perkey, W. B.

354423, G03B 1505

Patent

active

046573674

ABSTRACT:
An electronic flash apparatus having a first trigger circuit for causing a main light source to start firing, a first capacitor for firing the main light source, a second trigger circuit for causing a preliminary light source to start firing, a second capacitor for firing the preliminary light source, and a circuit for producing a trigger signal for preliminary lighting when a preliminary illumination is carried out, wherein the second capacitor is connected in common to the main and preliminary light sources, and there is provided a preliminary lighting changeover circuit responsive to selection of a bounced-flash mode for changing the application of the trigger signal from the second trigger circuit to the first trigger circuit.

REFERENCES:
patent: 4465353 (1984-08-01), Yoshida et al.

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