Semiconductor integrated circuit device and imaging system

Details Semiconductor integrated circuit device and imaging system Semiconductor integrated circuit device and imaging system

2008-04-01

2008-04-01

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S272000, C382S167000

Reexamination Certificate

active

07351946

ABSTRACT:
An AD-converted digital video data is encoded by a difference encoding method before it is outputted and such encoded digital video data is then outputted, after it is converted to gray code or to a predetermined code in which a fixed value is added. Problems solved include noise that is generated when the AD conversion circuit outputs video data and that migrates into a CCD side via a power supply line on a printed circuit board, and noise that appears on a display image by migration into an input terminal side from an output circuit side via the power supply line and a semiconductor substrate within an AD conversion LSI.

REFERENCES:
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patent: 5748235 (1998-05-01), Kondo et al.
patent: 5867285 (1999-02-01), Hirota et al.
patent: 6081254 (2000-06-01), Tanaka et al.
patent: 6192146 (2001-02-01), Abe
patent: 6515698 (2003-02-01), Sasaki et al.
patent: 6791615 (2004-09-01), Shiomi et al.

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