发明名称 |
Optical scanner and image forming apparatus |
摘要 |
<p>An optical scanner includes a light source unit configured to emit light; an optical system configured to cause the light emitted from the light source unit to scan an object so as to form an image on the object; and a control unit configured to control the light source unit. The light source unit includes a plurality of light emitting units arranged in a sub scanning direction, and the control unit controls the light source unit to emit light at different positions on the object by using either n (n: positive integer) light emitting units or n+1 light emitting units selected from among the plurality of light emitting units, according to a positional shift amount of the image in the sub scanning direction.</p> |
申请公布号 |
EP1781008(A1) |
申请公布日期 |
2007.05.02 |
申请号 |
EP20060254547 |
申请日期 |
2006.08.31 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
OMORI, ATSUFUMI;ISHIDA, MASAAKI;NIHEI, YASUHIRO;OZASA, DAN |
分类号 |
H04N1/191 |
主分类号 |
H04N1/191 |
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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