Two-dimensional beam writing position detecting device and image forming apparatus using the detecting device
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United States of America Patent
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Nov 30, 2004
Grant Date -
Sep 5, 2002
app pub date -
Mar 1, 2002
filing date -
Mar 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A two-dimensional beam writing position detecting device for providing an optical system for scanning on a photoconductor by laser beams emitted from a semiconductor laser to form an electrostatic latent image and arranging a plurality of the laser beams in two dimensions and slantingly scanning each the laser beam for forming the electrostatic latent image on the photoconductor at a predetermined angle and detecting the laser beams for determining the first writing position on the photoconductor of the laser beams is characterized in that a longitudinal direction of a beam light receiving surface of the detecting device 1 inclines at the substantially same angle as the slant scanning angle with respect to the perpendicular of a scanning direction of the plural beams.
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