Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Reexamination Certificate
2011-05-03
2011-05-03
Allen, Stephone B (Department: 2872)
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
C359S205100, C359S223100
Reexamination Certificate
active
07936493
ABSTRACT:
An optical scanning apparatus that includes a light source unit having plural main light sources that are two-dimensionally arranged in the main scanning direction and the sub scanning direction, and plural sub light sources that are arranged between rows of the main light sources aligned in the main scanning direction. The optical scanning apparatus also includes an optical system configured to scan light emitted from the light source unit on a scanning object to form an image on the scanning object, and a control apparatus configured to adjust a main scanning direction image position by controlling two of the main light sources that are juxtaposed to each other with respect to the main scanning direction and adjust a sub scanning direction image position by controlling a main light source and a sub light source that are adjacent to each other.
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Ishida Masaaki
Nihei Yasuhiro
Omori Atsufumi
Ozasa Dan
Allen Stephone B
Chwasz Jade R
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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