发明名称 |
ERECT EQUAL-MAGNIFICATION LENS ARRAY, SCANNING OPTICAL SYSTEM, EXPOSING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS |
摘要 |
An erect equal-magnification lens array according to the present invention includes: a first lens array plate including a first lens plate and a group of plural convex lenses arrayed on an emission surface of the first lens plate, an incident surface of the first lens plate being formed in a planar shape; a first aperture plate having plural apertures; a second lens array plate including a second lens plate and a group of plural convex lenses arrayed on both an incident surface and an emission surface of the second lens plate; a second aperture plate including plural apertures corresponding to plural projections of the plural convex lenses on the emission surface of the second lens plate; and a third lens array plate including a third lens plate and a group of plural convex lenses arrayed on an incident surface of the third lens plate.
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申请公布号 |
US2010085646(A1) |
申请公布日期 |
2010.04.08 |
申请号 |
US20090573602 |
申请日期 |
2009.10.05 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA TEC KABUSHIKI KAISHA |
发明人 |
SHIRAISHI TAKASHI |
分类号 |
G02B27/12 |
主分类号 |
G02B27/12 |
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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