Semiconductor integrated circuit device and imaging system
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United States of America Patent
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Aug 24, 2004
Grant Date -
Dec 5, 2002
app pub date -
Feb 25, 2002
filing date -
Mar 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an imaging system having a semiconductor integrated circuit device, noise problems due to a large through-current in an output circuit resulting from the change-over of digital video data outputted from an AD conversion LSI are reduced by a technique involving encoding and code conversion. After AD conversion of an analog color video signal from an imaging element, a difference between codes of adjacent pixels is obtained in regard to the same color, and an output code of this difference is converted into a code with less change-over bits between the adjacent codes.
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