Camera accessory for controlling an external strobe

Details Camera accessory for controlling an external strobe Camera accessory for controlling an external strobe

1996-05-30

1997-10-14

Metjahic, Safet

Photography

With object illumination for exposure

Having photocell used as flash trigger or used for camera...

396182, 396198, 362 13, G03B 1503

Patent

active

056780753

ABSTRACT:
An easy to use camera accessory, when mounted onto a camera, will trigger an external strobe upon excitation of a built-in electronic flash while simultaneously blocking from the scene the light emitted by the built-in electronic flash. The camera accessory typically is snap-in mountable and includes: a flash slave for triggering the external strobe, a PC connector for connection via a cable with the external strobe, and openings for camera features including, but not limited to, a lens, a sonar detection device, a viewfinder and a photocell. Light emitted from the built in electronic flash is physically blocked from being cast upon the scene. A more basic version of the inventive camera accessory does not require the camera feature openings.

REFERENCES:
patent: 3832725 (1974-08-01), Cook
patent: 3943532 (1976-03-01), De Filippis
patent: 3961349 (1976-06-01), Forsyth et al.
patent: 3962711 (1976-06-01), Cutler, Jr.
patent: 4381144 (1983-04-01), Breslau
patent: 4707106 (1987-11-01), Johnson et al.
patent: 4816850 (1989-03-01), Philipeaux et al.
patent: 5023639 (1991-06-01), Ushiro et al.
patent: 5229801 (1993-07-01), VanDeMoere
Calumet Photographic, Inc., 890 Supreme Drive, Bensonville, ILL. 60106 (1996 Catalog, p. 36).
The Polaroid Letter for Law Enforcement Officials, vol. II, Spring 1992.

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