Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2008-05-22
2010-02-23
Luu, Thanh X (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S208100, C250S2140RC, C348S208120, C348S294000, C348S345000
Reexamination Certificate
active
07667169
ABSTRACT:
Embodiments of the present invention are directed to a plurality of light sensor cells disposed in a substrate in a shared pixel arrangement. Common readout circuitry is used to simultaneously read out image information from a group of light sensor cells. The image information from the group of light sensor cells is added together simultaneously and coupled to auto-focus circuitry and/or preview circuitry to provide for better lens adjustments and preview display.
REFERENCES:
patent: 2003/0099470 (2003-05-01), Tseng
patent: 2006/0038904 (2006-02-01), Kudoh
patent: 2007/0188630 (2007-08-01), Suzuki
Chu, Failop, “Improving CMOS image sensor performance with combined pixels: How Kodak's PIXELUX technology boosts sensitivity, S/N,” Kodak Image Sensor Solutions Group, Nov. 21, 2005, pp. 1-9.
He Xinping
Li Hongjun
Yang Hongli
Blakely , Sokoloff, Taylor & Zafman LLP
Legasse Jr. Francis M
Luu Thanh X
OmniVision Technologies Inc.
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