Method and pixel for performing correlated double sampling

Details Method and pixel for performing correlated double sampling Method and pixel for performing correlated double sampling

2011-07-05

2011-07-05

Giles, Nicholas G (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C341S162000

Reexamination Certificate

active

07973845

ABSTRACT:
A method and apparatus for performing correlated double sampling to remove low frequency noise. The method and apparatus includes an active pixel of an array of active pixels comprising a sensor circuit for collecting radiation induced charges and transducing them to a measurement signal corresponding to the amount of charge collected, two memory elements for storing the measurement signal at the beginning and the end of a first integration period respectively, and at least one further memory element for storing at least the measurement signal at the beginning of a next integration period.

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