Electronic flash apparatus with extendable on/off switch control

Details Electronic flash apparatus with extendable on/off switch control Electronic flash apparatus with extendable on/off switch control

1976-12-10

1978-04-18

Hix, L. T.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

354288, 200 6158R, G03B 1503, G03B 1702, H01H 316

Patent

active

040854140

ABSTRACT:
An electronic flash unit attachable to the top of a camera shutter housing is provided with switch control apparatus which may be selectively extended into position so as to be engaged by the photographer when holding the camera in its normally expected manner. Engagement of the switch control apparatus by the photographer causes it to effect the closing of an ON-OFF switch thereby applying power to the flash unit whereas subsequent disengagement of the switch control apparatus causes it to automatically effect the opening of the ON-OFF switch.

REFERENCES:
patent: 3868700 (1975-02-01), Kuramoto
patent: 3930184 (1975-12-01), Biber et al.
patent: 4007469 (1977-02-01), Land et al.

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