发明名称 |
OPTICAL SCANNING APPARATUS, IMAGE FORMING APPARATUS, AND SCANNING-LINE-CHANGE CORRECTING METHOD |
摘要 |
A first plastic lens and a second plastic lens constituting each imaging optical system are arranged on opposite sides of an optical deflector, so that main scanning directions of optical beams scanned by the single optical deflector become substantially parallel to each other, and the first plastic lens and the second plastic lens of at least one of the plurality of (four) imaging optical systems are formed such that secondary components at scanning positions on the (four) surfaces to be scanned are arranged in a same direction, and are molded by a same mold cavity
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申请公布号 |
US2007216983(A1) |
申请公布日期 |
2007.09.20 |
申请号 |
US20070683743 |
申请日期 |
2007.03.08 |
申请人 |
HAYASHI EIICHI;OHHASHI TAKAMICHI;KAMIURA SHINYA |
发明人 |
HAYASHI EIICHI;OHHASHI TAKAMICHI;KAMIURA SHINYA |
分类号 |
G02B26/08 |
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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