Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2007-05-18
2008-09-23
Pham, Hai C (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S233000, C347S241000, C347S256000
Reexamination Certificate
active
07427999
ABSTRACT:
A first optical scanning device for scanning image data of colors (yellow, magenta, cyan and black) which serve as the basic for formation of color image employs an optical system having optical characteristic stable to changes in temperature in common, the optical system being incorporated in a single optical box. Inexpensive resin material is employed for its lens in a second optical scanning device for scanning image data of pale color or a special color having a large tolerance amount to color deviation or spot diameter. Further, an inexpensive second optical scanning device saving space is formed by reducing the optical path length.
REFERENCES:
patent: 6853397 (2005-02-01), Onishi
patent: 2003/0107641 (2003-06-01), Nomura
patent: 2004/0184830 (2004-09-01), Miyamoto et al.
patent: 5-035038 (1993-02-01), None
patent: 2005-202027 (2005-07-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Pham Hai C
Wright Kainoa B
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