Beam deflector, light scanning unit and image forming...

Details Beam deflector, light scanning unit and image forming... Beam deflector, light scanning unit and image forming...

2008-06-11

2010-06-29

Pham, Hai C (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

07746372

ABSTRACT:
A beam deflector having a base, the beam deflector including a polygon mirror to reflect a light beam, a mirror driving unit including a rotor shaft erected from the base and a rotor to support the polygon mirror and to rotate about the rotor shaft, a friction member to contact with and be separated from the rotor so as to obstruct and release rotation of the rotor, respectively, and a friction member driving unit to drive the friction member.

REFERENCES:
patent: 5819149 (1998-10-01), Watanabe et al.
patent: 5834870 (1998-11-01), Tokushima et al.
patent: 6327067 (2001-12-01), Koguchi

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