Television – Camera – system and detail – Combined image signal generator and general image signal...
Reexamination Certificate
2008-09-26
2011-11-15
Giles, Nicholas (Department: 2622)
Television
Camera, system and detail
Combined image signal generator and general image signal...
Reexamination Certificate
active
08059173
ABSTRACT:
A correlated double sampling (CDS) pixel and methods of operating the same are provided. The CDS pixel includes a sensor circuit to generate a voltage value corresponding to electromagnetic radiation received on a photodetector included therein, and a sample and hold (S/H) stage including a sample switching-element and first and second capacitor-elements. The first capacitor-element is coupled between an output of the sensor circuit through the sample switching-element and a predetermined reference potential. The second capacitor-element has a first node coupled to the output of the sensor circuit through the sample switching-element and a second node coupled in series with an output of the S/H stage, the second node of the second capacitor-element further coupled through a calibration switching-element to a calibration voltage to sample a reset voltage value on the photodetector at a first time at a beginning of an integration period following reset of the sensor circuit.
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De Wit Yannick
Walschap Tom
Dover Rennie William
Giles Nicholas
On Semiconductor Trading Ltd.
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