Multi-beam scanning optical system, multi-beam scanning...

Details Multi-beam scanning optical system, multi-beam scanning... Multi-beam scanning optical system, multi-beam scanning...

2006-01-24

2006-01-24

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

06989855

ABSTRACT:
A multi-beam light scanning optical system has a light beam incident optical system for causing a condenser lens to condense each of light beams emitted from a plurality of light sources and making the light beams incident on a deflecting surface of an optical deflector. In the light beam incident optical system, a relay optical system is inserted between the plurality of light sources and the condenser lens. An aperture stop for limiting a beam width of each of the light beams emitted from the plurality of light sources is arranged on a light source side with respect to an image forming point of each of the plurality of light sources through the relay optical system.

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