Optical sensor

Details Optical sensor Optical sensor

2003-12-16

2009-11-03

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S241000, C348S294000, C348S308000

Reexamination Certificate

active

07612814

ABSTRACT:
The present invention aims at providing a photodetector capable of fast operation with inclusion of A/D converting circuits. With a photodetector1, (K×M×N) photodiodes PDk,m,nare arranged in M rows and (K×N) columns in a photodetection unit10, and processes (electric charge accumulation, CDS, filtering, and A/D conversion) regarding each of the (K×N) photodiodes PDk,m,n(k=1 to K, n=1 to N) of each row are carried out successively at each time T. Meanwhile, each of an electric charge accumulation operation in an integrating circuit20m,n, a CDS operation in a CDS circuit30m,n, a filterng operation in a filter circuit40m,n, and an A/D conversion operation in an A/D converter50m,nis carried out at each time (N×T).

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