High dynamic range cascaded integration pixel cell and...

Details High dynamic range cascaded integration pixel cell and... High dynamic range cascaded integration pixel cell and...

2011-08-02

2011-08-02

Aggarwal, Yogesh (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S300000, C348S301000, C348S302000, C348S308000

Reexamination Certificate

active

07990449

ABSTRACT:
A cascaded imaging storage system for a pixel is disclosed for improving intrascene dynamic range. Charges accumulated in a first capacitor spill over into a second capacitor when a charge storage capacity of the first capacitor is exceeded. A third capacitor may also be provided such that charges accumulated by said second capacitor spill over into the third capacitor when the charge storage capacity of the second capacitor is exceeded.

REFERENCES:
patent: 5329112 (1994-07-01), Mihara
patent: RE34926 (1995-05-01), Hieda et al.
patent: 5471515 (1995-11-01), Fossum et al.
patent: 5625210 (1997-04-01), Lee et al.
patent: 6204524 (2001-03-01), Rhodes
patent: 2003/0214591 (2003-11-01), Kakumoto

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