Adaptive Frame Rate Control System and Method for an Image Sensor
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United States of America Patent
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Issued Date -
Jul 7, 2011
app pub date -
Jan 7, 2010
filing date -
Jan 7, 2010
priority date (Note) -
Abandoned
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Abstract
An adaptive frame rate control system and method for an image sensor includes an amplifier which amplifies a sensor output signal of the image sensor with a gain. An automatic exposure gain (AEG) controller determines a product of exposure time and the gain (EGP) based on incident light intensity, and controls a timing controller and the amplifier, to adjust the exposure time and the gain of the image sensor such that the amplified sensor output signal may approximately approach a sensor target signal, where the change of the exposure time is preferred over the change of the gain.
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