Multicolor light sensing pixel structure

Details Multicolor light sensing pixel structure Multicolor light sensing pixel structure

2007-04-24

2007-04-24

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S281000, C348S302000, C257S440000

Reexamination Certificate

active

10387746

ABSTRACT:
A photodiode structure (300) includes a first plurality of co-located light band detectors that generate analog detector signals, a first multiplexing circuit (440) coupled to the first plurality of analog detector signals, which sequentially generates each of the first plurality of analog detector signals at a first multiplexed output (444), a second multiplexing circuit (445) coupled to a first plurality of reference signals, which sequentially generates at a second multiplexed output (449) each of the first plurality of reference signals in synchronism with the first multiplexed output (444); and a single digital pixel sensor circuit (315) having inputs coupled to the first and second multiplexed outputs, which sequentially generates a series of digital outputs based on the first and second multiplexed outputs (444. 449).

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Yang, D.; Fowler, B.; Gamal, A.; “A 128+128 Pixel CMOS Area Image Sensor with Multiplexed Pixel Level A/D Conversion” IEEE 1996, Custom Integrated Circuits Conference.

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