发明名称 |
Method and apparatus for forming image |
摘要 |
In an image forming apparatus, a separating unit 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 measures a light intensity of each of the first laser beams and outputs a voltage indicative of the light intensity. A control unit 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. |
申请公布号 |
US8094178(B2) |
申请公布日期 |
2012.01.10 |
申请号 |
US20080125447 |
申请日期 |
2008.05.22 |
申请人 |
YAMASHITA HIDETOSHI;RICOH COMPANY, LTD. |
发明人 |
YAMASHITA HIDETOSHI |
分类号 |
B41J2/435;B41J2/385;G03G13/04 |
主分类号 |
B41J2/435 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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