Method for adjusting the overall luminosity of a bistable matrix screen displaying half-tones
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United States of America Patent
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Jan 30, 2001
Grant Date -
N/A
app pub date -
Sep 10, 1997
filing date -
Dec 3, 1993
priority date (Note) -
Expired
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Abstract
In a method for adjusting the overall luminosity of at least a part of a matrix screen, each row of the part is processed several times non-periodically to display half-tones. Each processing consists of a semi-selective operation followed by a selective operation. A delay is planned between the selective operation and the semi-selective operation, this delay being proportional to a weighting factor that is adjustable as a function of the desired overall luminosity and proportional to the time interval between the beginning of the treatment in progress and the beginning of the next treatment.
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