Invention Grant
US07710445B2 Light source unit, optical scan apparatus, and image formation apparatus
有权
光源单元，光学扫描装置和图像形成装置
- Patent Title: Light source unit, optical scan apparatus, and image formation apparatus
- Patent Title (中): 光源单元，光学扫描装置和图像形成装置
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Application No.: US12230248Application Date: 2008-08-26
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Publication No.: US07710445B2Publication Date: 2010-05-04
- Inventor: Taku Amada , Tomohiro Nakajima , Yoshinori Hayashi , Nobuaki Kubo
- Applicant: Taku Amada , Tomohiro Nakajima , Yoshinori Hayashi , Nobuaki Kubo
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Dickstein Shapiro LLP
- Priority: JP2007-226178 20070831; JP2008-082308 20080327
- Main IPC: B41J2/45
- IPC: B41J2/45
Abstract:
A light source unit is provided which includes a light source with a plurality of light emission portions two-dimensionally arranged; a substrate on which the light source is mounted; a first support portion supporting the substrate; a bias member biasing the substrate towards the first support portion; a coupling element coupling a light beam emitted from the light source; a second support portion supporting the coupling element; and a holding member holding a position of the substrate relative to the first support portion.
Public/Granted literature
- US20090060583A1 Light source unit, optical scan apparatus, and image formation apparatus Public/Granted day:2009-03-05
Information query
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