Light beam scanning apparatus and image forming apparatus

Details Light beam scanning apparatus and image forming apparatus Light beam scanning apparatus and image forming apparatus

2005-08-09

2005-08-09

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S250000

Reexamination Certificate

active

06927788

ABSTRACT:
The timing sensors provided in the light-receiving part of a beam-detecting unit have different lengths in the sub-scanning direction. The beam-passing position sensors provided in the light-receiving part of the beam-detecting unit are longer than the timing sensors, in the sub-scanning direction. The intensity of a light beam is controlled in a reference-pitch measuring routine.

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patent: 2001-10112 (2001-01-01), None
US 6,353,454, 3/2002, Tanimoto et al. (withdrawn)

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