CCD camera with a plurality of sensor areas and...

Details CCD camera with a plurality of sensor areas and... CCD camera with a plurality of sensor areas and...

2006-02-06

2009-10-27

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S243000, C348S222100

Reexamination Certificate

active

07609304

ABSTRACT:
An electronic camera includes a CCD imager. The CCD imager has an imaging surface in which two sensor areas are formed. A raw image produced in one sensor area is output from a channel CH1, and a raw image produced in the other sensor area is output from a channel CH2. The raw image from the channel CH1is clamped by a clamp circuit at a clamp level LV1, and the raw image from the channel CH2is clamped by another clamp circuit at a clamp level LV2. The clamp level LV1matches an optical black level VCL of the raw image from the channel CH1. The clamp level LV2matches a subtraction level “VCL−(VAL−VAR)” determined by subtracting a difference between a preliminary feeding level VAL of the raw image from the channel CH1and a preliminary level VAR of the raw image from the channel CH2, from the black level VCL of the raw image from the channel CH1.

REFERENCES:
patent: 6337713 (2002-01-01), Sato
patent: 2003/0090577 (2003-05-01), Shirakawa
patent: 2003/0193591 (2003-10-01), Miyahara
patent: 2004/0062454 (2004-04-01), Komiya et al.
patent: 05227429 (1993-09-01), None
patent: 2002-300477 (2002-10-01), None
patent: 2003-259224 (2003-09-01), None

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