Method and apparatus for projecting image information onto a light sensitive material
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United States of America Patent
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Issued Date -
Nov 4, 2004
app pub date -
Feb 24, 2004
filing date -
Feb 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An image in the form of image dots produced by one or more pixel generators is projected onto a light-sensitive material with a certain amount of light power over a certain length of exposure time. Each pixel generator is driven by a voltage of periodically alternating polarity which alternates between half-periods of negative voltage and half-periods of positive voltage, with the negative voltage and the positive voltage being equal in absolute magnitude. The exposure time for each image dot is allocated equally to the respective half-periods of negative and positive voltage.
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