发明授权
- 专利标题： Variable focus lens system employing elastomeric lens
- 专利标题（中）： 采用弹性透镜的可变焦距透镜系统
-
申请号： US357838申请日： 1982-03-12
-
公开(公告)号： US4444471A公开(公告)日： 1984-04-24
- 发明人: John W. Ford, Jr. , Howard G. Rogers , Christy P. Thomas
- 申请人： John W. Ford, Jr. , Howard G. Rogers , Christy P. Thomas
- 申请人地址： MA Cambridge
- 专利权人： Polaroid Corporation
- 当前专利权人： Polaroid Corporation
- 当前专利权人地址： MA Cambridge
- 主分类号： G02B3/14
- IPC分类号： G02B3/14 ; G02B26/08 ; G02B1/04 ; G02B3/12 ; G02B15/14
摘要：
A variable focus lens system comprising an elastomeric, integrally molded, optical member and mounting arrangements therefor by which the axial position and the shape of a central lens part of the optical member can be changed in correspondence with one another to provide the lens system with focusing action over a predetermined range.
公开/授权文献
信息查询
