Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/6976

Ultra low voltage CMOS image sensor architecture

Authors Chan, Man Sun
Xu, Chen
Ki, Wing Hung
Issue Date 2010-12-28
Source US Patent , 7,858,912 B2, 2010
Summary An optical sensor has at least one pixel that generates an output voltage that changes at a rate dependent on the light intensity incident on the pixel. The time for the pixel output voltage to change from a first predefined level to a second predefined level is measured, so as to produce an output indicative of the incident light intensity.
Subjects
Language English
Format Patent
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