Optical multi-beam scanning device and image forming apparatus

Details Optical multi-beam scanning device and image forming apparatus Optical multi-beam scanning device and image forming apparatus

2007-10-09

2007-10-09

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S232000, C347S233000, C347S256000, C347S260000

Reexamination Certificate

active

10820750

ABSTRACT:
An optical multi-beam scanning device has a plurality of pre-deflection optical units, an optical path synthesizing member and an excessive light processing member. The excessive light processing member processes excessive light emitted from an excessive light emitting surface with is not an incident surface nor an emitting surface of the optical path synthesizing member. The excessive light processing member has a multi-stage taper constitution with a plurality of taper surfaces having different tilt angles.

REFERENCES:
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patent: 6-349100 (1994-12-01), None
patent: 11194285 (1999-07-01), None
patent: 2003-195209 (2003-07-01), None

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