Image sensor and camera system having the same

Details Image sensor and camera system having the same Image sensor and camera system having the same

2005-12-29

2010-10-26

Ho, Tuan (Department: 2622)

Television

Camera, system and detail

Optics

C348S294000

Reexamination Certificate

active

07821566

ABSTRACT:
An image sensor includes a pixel array having a plurality of unit pixels with high light sensitivity, for sensing information about image received from an exterior; a control and interface unit for controlling an overall operation of an image sensor chip and acting as an interface with an external system; an analog signal processing unit for processing an analog signal from the pixel array after being controlled by the control and the interface unit; an A/D converter for converting the analog signal into a digital signal; a picture signal processing unit for performing a plurality of image processes in order to enhance image of the digital signal, wherein the picture signal processing unit includes a focus value calculator for calculating a focus value from the digital signal; and an interface unit for providing an exterior with the focus value calculated through the focus value calculator.

REFERENCES:
patent: 6271883 (2001-08-01), Iijima et al.
patent: 7251386 (2007-07-01), Dickinson et al.
patent: 2004/0165879 (2004-08-01), Sasaki et al.
patent: 2004/0169734 (2004-09-01), Umeyama
patent: 10-2004-0075054 (2004-08-01), None
However Ackland, Brian & Alex Dickinson Camera on a chip Ackland, B.; Dickinson, A.; Solid-State Circuits Conference, 1996. Digest of Technical Papers. 43rd ISSCC., 1996 IEEE International Feb. 8-10, 1996 pp. 22-25, 412.
Ackland, Brian & Alex Dickinson Camera on a chip Ackland, B.; Dickinson, A.; Solid-State Circuits Conference, 1996. Digest of Technical Papers. 43rd ISSCC., 1996 IEEE International Feb. 8-10, 1996 pp. 22-25, 412.
Ackland, Brian & Alex Dickinson Camera on a chip Ackland, B.; Dickinson, A.; Solid-State Circuits Conference, 1996. Digest of Technical Papers. 43rd ISSCC., 1996 IEEE International Feb. 8-10, 1996 pp. 22-25,412.

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