Optical scanning apparatus and image forming apparatus...

Details Optical scanning apparatus and image forming apparatus... Optical scanning apparatus and image forming apparatus...

2008-07-08

2008-07-08

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S204200, C347S232000, C347S259000

Reexamination Certificate

active

07397590

ABSTRACT:
At least one exemplary embodiment is directed to an optical scanning apparatus that employs a short wave light source to constantly maintain a spot having a tiny diameter, even when an environmental temperature change occurs, by employing a lens and/or a diffractive optical element.

REFERENCES:
patent: 6094286 (2000-07-01), Kato
patent: 2005/0045814 (2005-03-01), Shimomura et al.
patent: 62-119513 (1987-05-01), None
patent: 10-68903 (1998-03-01), None
patent: 11-281911 (1999-10-01), None
patent: 2002-303810 (2002-10-01), None

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