CMOS image sensor having block scanning capability
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United States of America Patent
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Aug 23, 2005
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N/A
app pub date -
Feb 29, 2000
filing date -
Mar 1, 1999
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Abstract
A CMOS image sensor includes a plurality of pixel sensors arranged in a two-dimensional array. In each pixel sensor, a signal corresponding to the absolute value of the amount of incident light with reduced reset noise is obtained. The signals of the respective pixel sensors are then output in a block scanning fashion. The CMOS image sensor does not need to include a preprocessing circuit for discrete cosine transform or a high-capacity frame memory for raster scanning.
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