Camera with built-in electronic flash

Details Camera with built-in electronic flash Camera with built-in electronic flash

1997-04-24

2000-02-22

Gray, David M.

Photography

With object illumination for exposure

Having exposure synchronizer

396 61, 396164, G03B 1336, G03B 716

Patent

active

060290153

ABSTRACT:
An ever-flash exposure control system for a built-in flash camera controls a shutter to open and close so as to provide a standard exposure for scene brightness which are higher than standard scene brightness for which the shutter provides a full aperture to complete the standard exposure and triggers an electronic flash to provide illumination light at a time at which the shutter reaches an aperture according to a subject distance during exposure.

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patent: 4801964 (1989-01-01), Desormeaux
patent: 5017955 (1991-05-01), Kotani
patent: 5121155 (1992-06-01), O'Such et al.
patent: 5335041 (1994-08-01), Fox
patent: 5343268 (1994-08-01), Takahashi
patent: 5384616 (1995-01-01), Wilson et al.

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