Storage pixel sensor and array with compression
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United States of America Patent
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Jan 28, 2003
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N/A
app pub date -
Jun 17, 1998
filing date -
Jun 17, 1998
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Abstract
A storage pixel sensor disposed on a semiconductor substrate comprises a photosensor. At least one nonlinear capacitive element is coupled to the photosensor. At least one nonlinear capacitive element is arranged to have a compressive photocharge-to-voltage gain function. An amplifier has an input coupled to the nonlinear capacitor and an output. Other, non-capacitive elements may be employed to produce a compressive photo-charge-to-voltage gain having at least one breakpoint.
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