Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2005-09-27
2008-08-19
Pham, Hai C (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S258000
Reexamination Certificate
active
07414645
ABSTRACT:
An image forming apparatus includes a photosensitive member and a scanning lens. The photosensitive member bears a latent image thereon and defines a main scanning direction. The scanning lens transmits a light beam scanningly deflected in the main scanning direction for exposing the photosensitive member to the light beam to form the latent image thereon. The scanning lens includes a lens body and a rib. The lens body is formed of resin and extends substantially in the main scanning direction. The lens body defines a sub-scanning direction perpendicular to the main scanning direction. The lens body has opposite surfaces that are both substantially perpendicular to the sub-scanning direction. The rib is formed integrally with the lens body and protrudes in the sub-scanning direction from either one of the opposite surfaces. The rib extends over a predetermined range in the main scanning direction.
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patent: 2005/0152045 (2005-07-01), Honda
patent: 09033846 (1997-02-01), None
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Banner & Witcoff , Ltd.
Brother Kogyo Kabushiki Kaisha
Pham Hai C
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