Laser scanning device and image forming apparatus including the same
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United States of America Patent
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Apr 24, 2018
Issued Date -
N/A
app pub date -
Oct 21, 2016
filing date -
Oct 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A laser scanning device includes light source, deflection portion, image forming lens, a block position setting portion, and a light source control portion. The image forming lens condenses a light beam deflected by the deflection portion on a scanned surface, and causes the light beam to be scanned on the scanned surface in a scanning direction at an equal speed. The block position setting portion sets one or more block areas which each include a plurality of section areas sectioned from each other on the scanned surface in the scanning direction. The light source control portion controls the light source to irradiate the light beam to the plurality of section areas at a plurality of irradiation timings that are determined for each of the block areas. The block position setting portion shifts set positions of the block areas along the scanning direction for each scan of at least one line.
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