发明名称 |
Variable focus lens system employing elastomeric lens |
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.
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申请公布号 |
US4444471(A) |
申请公布日期 |
1984.04.24 |
申请号 |
US19820357838 |
申请日期 |
1982.03.12 |
申请人 |
POLAROID CORPORATION |
发明人 |
FORD, JR., JOHN W.;ROGERS, HOWARD G.;THOMAS, CHRISTY P. |
分类号 |
G02B3/14;G02B26/08;(IPC1-7):G02B1/04;G02B3/12;G02B15/14 |
主分类号 |
G02B3/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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