Photographic apparatus for selectively actuating a pulsable elec

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354 62, G03B 1503

Patent

active

041925971

ABSTRACT:
Photographic apparatus is provided for use with a pulsable type strobe light and automatic cameras of the type which, upon actuation, undergo a predetermined time delay, which varies from camera to camera within select limits, prior to their initiating an exposure cycle. The apparatus is responsive to camera actuation to provide a sequence of equally timed strobe firing signals beginning before the shortest expected time delay of these type cameras and terminating after the exposure cycle of a camera of this type which has the longest expected time delay. Operating in this manner, the apparatus assures that at least part of one strobe pulse occurs during the exposure interval of cameras of this type.

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U.S. Pat. Appl. Ser. No. 918779, filed 6/26/78 by W. T. Plummer, "Adapter for Optically Coupling a Photographic Camera with a Viewing Device."
Standford, B., "Theoretical . . . Photograph," In Joun. of Photo. Sc., vol. 3, 1955.

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