| 发明名称 |
Optical arrangement with stepped lens |
| 摘要 |
In order to provide an optical arrangement having a Fresnel or stepped lens such that its optical properties can be configured more diversely, provision is made of a diffusing screen, preferably with an adapted predefined diffusing behavior.
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| 申请公布号 |
US2005185300(A1) |
申请公布日期 |
2005.08.25 |
| 申请号 |
US20040006473 |
申请日期 |
2004.12.07 |
| 申请人 |
SCHOTT AG |
发明人 |
KITTELMANN RUDIGER;WAGENER HARRY |
| 分类号 |
G02B3/00;F21V3/04;F21V5/04;F21V9/08;G02B3/08;(IPC1-7):G02B3/08 |
主分类号 |
G02B3/00 |
| 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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