Imaging device driver and auto focus unit

Details Imaging device driver and auto focus unit Imaging device driver and auto focus unit

2007-03-13

2010-02-23

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S201200, C348S230100, C348S296000, C348S311000

Reexamination Certificate

active

07667175

ABSTRACT:
An imaging device driver that drives an imaging device, comprising a detector and a controller, is provided. The imaging device has a light-receiving surface. A plurality of pixels are arranged on the light-receiving surface. Each individual pixel generates a pixel signal according to the intensity of light received by the pixel. The imaging device is capable of mixing a plurality of the pixel signals. The detector detects the brightness of a partial or entire optical image of an object captured by the imaging device. The controller determines the number of the pixel signals to mix according to the brightness of the partial or entire optical image.

REFERENCES:
patent: 5406391 (1995-04-01), Takahashi
patent: 6670993 (2003-12-01), Yamamoto et al.
patent: 7317488 (2008-01-01), Yamazaki
patent: 7430011 (2008-09-01), Xu et al.
patent: 2006/0001747 (2006-01-01), Yamamoto
patent: 2006/0001929 (2006-01-01), Yamamoto
patent: 2005-107252 (2005-04-01), None
English language Abstract of JP 2005-107252.
U.S. Appl. No. 11/676,543 to Yamamoto et al., filed Feb. 20, 2007.
U.S. Appl. No. 11/676,520 to Yamamoto et al., filed Feb. 20, 2007.

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