| 发明名称 |
Optical lens system with electro-active lens having alterably different focal lengths |
| 摘要 |
An optical lens system that may include a lens with a first focal length and an electro-active region coupled to the lens, where activating the electro-active region alters a portion of the system to a second focal length such that the system has two different focal lengths.
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| 申请公布号 |
US6619799(B1) |
申请公布日期 |
2003.09.16 |
| 申请号 |
US20000602013 |
申请日期 |
2000.06.23 |
| 申请人 |
E-VISION, LLC |
发明人 |
BLUM RONALD D.;DUSTIN DWIGHT P. |
| 分类号 |
G02C7/02;A61B3/028;A61B3/04;A61F9/00;G02C7/06;G02C7/08;G02C7/10;G02C7/12;G02C11/00;G02F1/13;(IPC1-7):G02C7/06 |
主分类号 |
G02C7/02 |
| 代理机构 |
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代理人 |
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