Dynamic video system and method
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United States of America Patent
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-
Sep 1, 1987
Grant Date -
N/A
app pub date -
Dec 23, 1982
filing date -
Dec 23, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The processing of video signal information derived from scanning the characters or marks on a background sheet includes normalizing the signal levels against changes in operating conditions and dynamically altering the threshold level of the video signal in response to the changes in levels of video signal.
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