发明授权
- 专利标题: Variable focus lens and spectacles
- 专利标题(中): 可变焦距镜头和眼镜
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申请号: US12937136申请日: 2009-04-08
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公开(公告)号: US08441737B2公开(公告)日: 2013-05-14
- 发明人: Justin Buch , William Johnson , Miranda Newbery , Andrew Roberston , Richard Taylor , Jonathan White
- 申请人: Justin Buch , William Johnson , Miranda Newbery , Andrew Roberston , Richard Taylor , Jonathan White
- 申请人地址: GB Oxford
- 专利权人: Adlens, Ltd.
- 当前专利权人: Adlens, Ltd.
- 当前专利权人地址: GB Oxford
- 代理机构: Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
- 优先权: GB0806561.7 20080410
- 国际申请: PCT/GB2009/000923 WO 20090408
- 国际公布: WO2009/125184 WO 20091015
- 主分类号: G02B3/12
- IPC分类号: G02B3/12
摘要:
The invention provides a variable focus lens formed from a ring with a front surface and a rear surface, a flexible membrane is attached to a radially inner part of the front surface, and a front cover is attached to a radially outer part of the front surface, a rear cover is provided on the rear surface of the ring, preferably integral with the ring, so that a variable volume cavity is defined between the flexible membrane, the ring and the rear cover, second flexible membrane can be provided between the ring and the rear cover, where the invention also provides a method of filling a variable focus lens, and an adjustment mechanism for varying the focus of the lens.
公开/授权文献
- US20110261466A1 VARIABLE FOCUS LENS AND SPECTACLES 公开/授权日:2011-10-27
信息查询
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B3/00 | 简单或复合透镜 |
G02B3/12 | .充入液体或抽空的透镜 |