发明授权
- 专利标题： Optical illuminating and observing apparatus
- 专利标题（中）： 光学照明和观察装置
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申请号： US329898申请日： 1989-04-27
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公开(公告)号： US5140458A公开(公告)日： 1992-08-18
- 发明人: Kazutoshi Takagi , Nobuaki Kitazima , Yoshitaka Torii
- 申请人： Kazutoshi Takagi , Nobuaki Kitazima , Yoshitaka Torii
- 申请人地址： JPX
- 专利权人： Kabushiki Kaisha Topcon
- 当前专利权人： Kabushiki Kaisha Topcon
- 当前专利权人地址： JPX
- 优先权： JPX62-162706 19870630
- 主分类号： A61B3/13
- IPC分类号： A61B3/13 ; A61B3/12 ; G02B7/08 ; G02B7/10 ; G02B21/00 ; G02B21/06 ; G02B21/08
摘要：
An optical illuminating and observing apparatus having a first drive system for changing the magnification of the apparatus and a second drive system for changing the illuminating field of the apparatus. The two drive systems can be operated either in an interlocking relationship or independently of each other. In a preferred embodiment, a clutch-gear is used to connect and disconnect the two drive systems to or from each other.
公开/授权文献
- US4384073A Cationic alkenyl azabenzene chemically modified asphalts 公开/授权日：1983-05-17
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