Invention Grant
US07667726B2 Optical writing unit and an image forming apparatus including the same
有权
光学写入单元和包括该光学写入单元的图像形成设备
- Patent Title: Optical writing unit and an image forming apparatus including the same
- Patent Title (中): 光学写入单元和包括该光学写入单元的图像形成设备
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Application No.: US11639417Application Date: 2006-12-15
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Publication No.: US07667726B2Publication Date: 2010-02-23
- Inventor: Katsunori Shoji , Takeshi Yamakawa , Hiroshi Yoshizawa
- Applicant: Katsunori Shoji , Takeshi Yamakawa , Hiroshi Yoshizawa
- Applicant Address: JP Tokyo
- Assignee: Ricoh Co., Ltd.
- Current Assignee: Ricoh Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce
- Priority: JP2005-363142 20051216
- Main IPC: B41J15/14
- IPC: B41J15/14 ; G02B26/08
Abstract:
An optical writing unit, e.g., that can be included in an image forming apparatus includes a housing within which are disposed additional components of the optical writing unit including the following, a plurality of optical elements, a polygon mirror configured to deflect a laser light beam, and a collecting member configured to collect dust in the housing.
Public/Granted literature
- US20070139745A1 Optical writing unit and an image forming apparatus including the same Public/Granted day:2007-06-21
Information query
IPC分类:
