发明授权
- 专利标题: Objective optical system for endoscopes
- 专利标题(中): 内镜物镜光学系统
-
申请号: US12527931申请日: 2008-02-26
-
公开(公告)号: US07978423B2公开(公告)日: 2011-07-12
- 发明人: Hideyasu Takato
- 申请人: Hideyasu Takato
- 申请人地址: JP Tokyo
- 专利权人: Olympus Medical Systems Corp.
- 当前专利权人: Olympus Medical Systems Corp.
- 当前专利权人地址: JP Tokyo
- 代理机构: Pillsbury Winthrop Shaw Pittman, LLP
- 优先权: JP2007-060145 20070309
- 国际申请: PCT/JP2008/053239 WO 20080226
- 国际公布: WO2008/111386 WO 20080918
- 主分类号: G02B9/04
- IPC分类号: G02B9/04
摘要:
An objective optical system includes, in order from the object side, a first unit having two lenses with negative refracting power and positive refracting power, a stop, and a second unit with positive refracting power to satisfy the following condition: 3.0
公开/授权文献
- US20100046093A1 OBJECTIVE OPTICAL SYSTEM FOR ENDOSCOPES 公开/授权日:2010-02-25
信息查询