Methods and devices for improving dynamic range in image sensors
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United States of America Patent
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Mar 31, 2015
Grant Date -
Apr 4, 2013
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2011
priority date (Note) -
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Abstract
Methods and devices for improving dynamic range in image sensors are disclosed. An image sensing device comprises an image sensor having a plurality of rows of pixels, and a controller for controlling the exposure of each row of pixels. The controller is programmed to perform a shutter operation for one of the plurality of rows of pixels, and to sample the one of the plurality of rows after a predetermined duration following the performance of the shutter operation. The predetermined duration is different from a multiple of a row time period of the image sensing device.
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