发明名称 |
Optical scanning device and image forming apparatus incorporating the same |
摘要 |
In order to determine an arrangement of an optical scanning device provided with a rotary polygon mirror having a plurality of reflective faces, it is determined a direction of polarization of light which is to be made incident on one of the reflective faces and to be reflected and deflected in accordance with a rotary action of the polygon mirror; and it is determined a direction from which the light is made incident on the one of the reflective faces, such that a variation of reflectivity of the light depending on a variation of an incident angle thereof in accordance with the rotary action of the polygon mirror compensate for a positional variation of reflectivity on the one of the reflective faces.
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申请公布号 |
US7256918(B2) |
申请公布日期 |
2007.08.14 |
申请号 |
US20050102551 |
申请日期 |
2005.04.08 |
申请人 |
SEIKO EPSON COPORATION |
发明人 |
SOWA TAKESHI;INOUE NOZOMU;MITSUI YOICHI |
分类号 |
G02B26/08;G02B26/12;G02B27/00 |
主分类号 |
G02B26/08 |
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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