Test firing of a photographic flash assembly

Details Test firing of a photographic flash assembly Test firing of a photographic flash assembly

1995-03-24

1996-04-09

Gellner, Michael L.

3541271, 354288, G03B 1503

Patent

active

055066461

ABSTRACT:
A method of test firing an electronic flash in a camera during manufacturing assembly of the camera, in which the flash capacitor is pre-charged to an intermediate voltage level which is insufficient to test fire the flash using an external power supply. According to the present invention, the flash capacitor is then fully-charged to a level which is sufficient to test fire the flash, using the battery contained for the camera, and the flash is test fired. According to a preferred embodiment, the flash assembly is mounted within a camera body, and a front cover covers the flash. A set of holes in the front cover are accessible to allow fast charging of the flash capacitor during assembly of the camera.

REFERENCES:
patent: 4672273 (1987-06-01), Ikawa et al.
patent: 4954858 (1990-09-01), Ohmura et al.
patent: 5353079 (1994-10-01), Sakai et al.

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