Image forming method and apparatus with multi-beam light source

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light

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347131, G02B 2608

Patent

active

060725168

ABSTRACT:
An image forming method and apparatus use a multi-beam light source in a way that enables changes in writing density to be quickly made. A rotating mechanism that has the multi-beam light source rotates about an optical axis of a light beam from the multi-beam light source. A driving mechanism is included for driving the rotating mechanism, and a detecting mechanism is included for detecting a rotating position of the rotating mechanism. A controller controls the driving mechanism in either a reference mode or a positioning mode of operation. In the reference mode, the rotating mechanism is rotated to first position, which is determined by the detecting mechanism. In the positioning mode, the rotating mechanism is rotated to another position relative to the first position according to the reference mode.

REFERENCES:
patent: 5774248 (1998-06-01), Komatsu

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