Optical scanning device using modulated laser beams control...

Details Optical scanning device using modulated laser beams control... Optical scanning device using modulated laser beams control...

2006-02-17

2010-06-29

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S224100

Reexamination Certificate

active

07746527

ABSTRACT:
An optical scanning device includes a plurality of light source sections for supplying beams, and a scanning section for directing beams emitted from the light source sections to scan in a first direction and a second direction substantially perpendicular to the first direction on a beam-receiving region. The scanning section is operated such that a frequency at which beams scan in the first direction is higher than a frequency at which beams scan in the second direction. The light source sections are disposed such that an array of spots produced from supplied beams can be positioned on the beam-receiving region in the first and second directions. Gradations are represented using beams for producing spots positioned in parallel on the beam-receiving region in the first direction.

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