- 专利标题： Image forming apparatus
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申请号： US16210661申请日： 2018-12-05
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公开(公告)号： US10509354B2公开(公告)日： 2019-12-17
- 发明人: Sung Weon Song , Young Min Yoon
- 申请人： HP PRINTING KOREA CO., LTD.
- 申请人地址： US TX Spring
- 专利权人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- 当前专利权人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- 当前专利权人地址： US TX Spring
- 代理机构： Staas & Halsey LLP
- 优先权： KR10-2014-0129204 20140926
- 主分类号： G03G15/00
- IPC分类号： G03G15/00 ; G03G21/00
摘要：
An image forming apparatus includes a sensor assembly having a window and a sensor which senses a developer through the window, and a shutter device which opens and closes the window, and thereby sensing in a sensible state is maintained, and a lifetime thereof is extendable.
公开/授权文献
- US20190107802A1 IMAGE FORMING APPARATUS 公开/授权日：2019-04-11
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