发明授权
- 专利标题: Line head and an image forming apparatus
- 专利标题(中): 线头和图像形成装置
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申请号: US12353824申请日: 2009-01-14
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公开(公告)号: US07929008B2公开(公告)日: 2011-04-19
- 发明人: Takeshi Sowa , Nozomu Inoue , Yujiro Nomura
- 申请人: Takeshi Sowa , Nozomu Inoue , Yujiro Nomura
- 申请人地址: JP Tokyo
- 专利权人: Seiko Epson Corporation
- 当前专利权人: Seiko Epson Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: DLA Piper LLP (US)
- 优先权: JP2008-010606 20080121; JP2008-294708 20081118
- 主分类号: B41J15/14
- IPC分类号: B41J15/14 ; B41J27/00
摘要:
A line head includes: a first lens formed from a resin and on a glass substrate; and a light emitting element substrate that has light emitting elements arranged in a first direction, wherein a cross section of the first lens taken in the first direction and including an optical axis of the first lens has a configuration wherein a curvature of the first lens at the optical axis has a larger absolute value than a curvature of an outer peripheral portion of the first lens.
公开/授权文献
- US20090185287A1 Line Head and an Image Forming Apparatus 公开/授权日:2009-07-23
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