Resettable pixel amplifier for an image sensor array
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United States of America Patent
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Feb 20, 1996
Grant Date -
N/A
app pub date -
Oct 28, 1994
filing date -
Oct 28, 1994
priority date (Note) -
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Abstract
In an input scanner for recording hard-copy images by exposing areas of the image to an array of photosensors, a system ensures sensor array uniformity. With each cycle of passing a discrete image signal through an amplifier associated with each photosensor, a low standby current is applied to certain transistors within the amplifier until the next signal is to be output. Critical nodes within the amplifier are caused to settle to known charge values before each image signal is passed therethrough.
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