Television – Camera – system and detail – Still and motion modes of operation
Reexamination Certificate
2011-03-08
2011-03-08
Chan, Jason (Department: 2622)
Television
Camera, system and detail
Still and motion modes of operation
C348S227100
Reexamination Certificate
active
07903146
ABSTRACT:
This invention improves the response characteristic of exposure control while keeping the exposure control precision high in an image capturing apparatus. An image capturing apparatus includes an image sensor which photo-electrically converts an object image to output an image signal, an output interval control unit which controls the output interval of the image signal from the image sensor, a first detection unit which detects object luminance information from the image signal, a second detection unit which detects the object luminance information by directly receiving light from an object, and a control unit which controls the exposure of the image sensor by selectively using a detection signal from the first detection unit and a detection signal from the second detection unit based on the output interval of the image signal controlled by the output interval control unit.
REFERENCES:
patent: 2005/0007487 (2005-01-01), Miyoshi et al.
patent: 2006/0256207 (2006-11-01), Kokubo et al.
patent: 2010/0177214 (2010-07-01), Ozaki et al.
patent: 2010/0214439 (2010-08-01), Oshima et al.
patent: 05-049151 (1993-07-01), None
patent: 2001-036806 (2001-02-01), None
Canon Kabushiki Kaisha
Chan Jason
Cowan Liebowitz & Latman P.C.
Vieaux Gary C
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