Image sensor having a pixel array with serial readout

Details Image sensor having a pixel array with serial readout Image sensor having a pixel array with serial readout

2011-05-10

2011-05-10

Chan, Jason (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S374000, C348S231990

Reexamination Certificate

active

07940317

ABSTRACT:
The image sensor includes an array of pixels, each pixel having a photo-diode, for providing a pixel voltage, an analog-to-digital converter (ADC) operable to convert the pixel voltage to a digital value and a memory for storing the digital value. Read circuitry is included for reading out the digital values from the pixels of the array in a predetermined order. The image sensor may be configured such that a counter incorporates the memory, and the counter may be adapted to operate as a shift register. The counters of two or more pixels may be connected to form one or more chains such that digital values can be read out in a bit-serial manner.

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“A 10,000 Frames/s 0.18 μm CMOS Digital Pixel Sensor with Pixel-Level Memory”, Kleinfelder et al., 2001 International Solid States Circuit Conference, Feb. 5, 2001, 10 pages.

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