| 发明名称 |
Underwater color correction |
| 摘要 |
A filter for underwater color correction is described which could be characterized by optical transmission exhibiting more attenuation of blue/green light than red light and having a ratio of transmission at 600 nanometers and 700 nanometers substantially less than 50%.
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| 申请公布号 |
US5940231(A) |
申请公布日期 |
1999.08.17 |
| 申请号 |
US19970915731 |
申请日期 |
1997.08.21 |
| 申请人 |
BIAYS, ALICE DE P.T.;BIAYS, W. TUCKERMAN |
发明人 |
WESTHAVER, LAWRENCE A. |
| 分类号 |
B63C11/12;B63C11/48;G02B5/22;G02B23/22;(IPC1-7):G02B5/22;G02B1/10;G03F9/00 |
主分类号 |
B63C11/12 |
| 代理机构 |
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