Electronic flash charging circuit

Details Electronic flash charging circuit Electronic flash charging circuit

1989-04-18

1991-06-11

Jennings, Derek S.

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

With capacitor

3541271, 315241P, A03B 1505

Patent

active

050234706

ABSTRACT:
An electronic flash charging circuit for use with a camera having a power source common to a microcomputer that controls a plurality of camera functions and to an electronic flash. The charging circuit has a booster circuit for boosting a charging voltage with which a main capacitor of the electronic flash is charged and a controller that causes the booster circuit to operate intermittently, thereby intermittently charging the main capacitor.

REFERENCES:
patent: 4743929 (1988-05-01), Taniguchi et al.
patent: 4924149 (1990-05-01), Nishida et al.
patent: 4975721 (1990-12-01), Tominaga et al.

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