Image sensor having reduced well bounce

Details Image sensor having reduced well bounce Image sensor having reduced well bounce

2008-05-30

2010-10-05

Luu, Thanh X (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S208100

Reexamination Certificate

active

07807955

ABSTRACT:
A CMOS image sensor or other type of image sensor comprises a pixel array and sampling and readout circuitry associated with the pixel array. In conjunction with readout of one or more pixels in a selected group of pixels of the pixel array, a pixel power line signal of the array transitions from an inactive state to an active state, and a reset signal of a non-selected group of pixels of the pixel array transitions from an active state to an inactive state within a predetermined time prior to the transition of the pixel power line signal from its inactive state to its active state. This arrangement advantageously reduces well bounce in the image sensor. The image sensor may be implemented in a digital camera or other type of digital imaging device.

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