Control system for flash-illuminated automatic focusing camera

Details Control system for flash-illuminated automatic focusing camera Control system for flash-illuminated automatic focusing camera

H - Electricity

05

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315/15

H05B 41/14 (2006.01) G02B 7/40 (2006.01) G03B 7/08 (2006.01) G03B 7/16 (2006.01) G03B 15/05 (2006.01)

Patent

CA 1122261

5915 ABSTRACT A self-developing camera with automatic focusing has a charge control system which charges the flash tube capacitor while other camera functions are inactive, and which disables capacitor charging during automatic focusing and during the film-related operations of exposure, transport, and processor-spreading. An enabling stage allows flash- illuminated exposure only when the storage capacitor is prop- erly charged. The charge control system thus schedules high current operations to occur one at a time so that a single battery can power all camera operations. Further, it inhibits exposure under conditions of inadequate flash readiness. The control system affords the user of an SLR camera with a view- ing interval between automatic focusing and exposure.

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