发明名称 Method and apparatus for forming image
摘要 <p>In an image forming apparatus, a separating unit (212) separates each laser beam into a first laser beam used for measuring light intensity and a second laser beam used for scanning a photosensitive element, a photoelectric converting unit (218) measures a light intensity of each of the first laser beams and outputs a voltage indicative of the light intensity. A control unit (302) controls a light intensity of each of the laser beams based on a common drive current and a corresponding one of a current, correction value, which is set by each of the laser beams to correct a light intensity of a corresponding one of the laser beams based on a corresponding one of the voltages output by the photoelectric converting unit.</p>
申请公布号 EP1995641(B1) 申请公布日期 2014.08.27
申请号 EP20080251777 申请日期 2008.05.22
申请人 RICOH COMPANY, LTD. 发明人 YAMASHITA, HIDETOSHI
分类号 G03G15/043;G02B26/12 主分类号 G03G15/043
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