Image sensing apparatus which carries out optimum exposure...

Television – Camera – system and detail – Optics

Reexamination Certificate

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C348S363000, C348S224100

Reexamination Certificate

active

06980251

ABSTRACT:
The state of exposure of a video zone corresponding to position information from a two-dimensional position selecting circuit that allows a photographer to select a desired video zone is detected, an exposure correction is performed by an exposure control circuit based upon a signal indicative of the detected state, and the state of exposure which prevails when optimum exposure has been attained is maintained. As a result, the state of exposure of a subject is corrected to an optimum exposure and the optimum exposure of the subject is maintained even if the state of exposure of the surroundings change owing to a change in zoom magnification or movement of the subject.

REFERENCES:
patent: 3945025 (1976-03-01), Stempeck
patent: 5280359 (1994-01-01), Mimura et al.
patent: 5349415 (1994-09-01), Nishida
patent: 5400074 (1995-03-01), Shimizu
patent: 5461452 (1995-10-01), Iwasaki
patent: 5473374 (1995-12-01), Shimizu et al.
patent: 5570156 (1996-10-01), Arai et al.
patent: 5579156 (1996-11-01), Faltermeier et al.
patent: 5648814 (1997-07-01), Munson
patent: 6630949 (2003-10-01), Yamagishi

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