Television – Camera – system and detail – Solid-state image sensor
Reexamination Certificate
2005-01-06
2011-11-22
Henn, Timothy J (Department: 2622)
Television
Camera, system and detail
Solid-state image sensor
C348S294000, C348S296000, C348S297000, C348S302000, C348S314000, C250S208100
Reexamination Certificate
active
08063963
ABSTRACT:
A method obtains a read-out signal of a pixel having at least a photosensitive element with a charge storage node. The method includes the steps of acquiring charge carriers, converted from impinging radiation on the photosensitive element, on the charge storage node, applying during the integration period at least one reset pulse, resetting incompletely the charge carriers acquired at the moment of applying the reset pulse, to obtain at least one linear response region for the pixel, and driving the pixel in weak inversion after the last incomplete reset pulse of the integration period so as to obtain a logarithmic response part. A corresponding pixel is also described.
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Dover Rennie William
Henn Timothy J
ON Semiconductor Image Sensor
Osinski Michael
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