Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Reexamination Certificate
2007-06-26
2007-06-26
Phan, James (Department: 2872)
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
C359S212100, C347S243000, C347S245000
Reexamination Certificate
active
10756355
ABSTRACT:
A multi-beam scanning device including a multi-beam light source including plural laser diode arrays emitting plural laser beams and at least one coupling lens; a deflector configured to deflect the plural laser beams; an optical system configured to guide the deflected plural laser beams to an image forming surface; a body configured to contain the multi-beam light source, deflector and scanning optical system; and an adjustment member located between the body and the multi-beam light source and configured to adjust the beam pitch of the plural laser beams in the sub-scanning direction. An image forming apparatus including an image bearing member, the above-mentioned scanning device and an image forming device.
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Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Phan James
Ricoh Company Limited
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