| 发明名称 |
External projection lens aperture |
| 摘要 |
An external projection lens aperture, including a holder; an adjustable aperture mounted in the holder; and a self-centering clamping mechanism mounted in the holder for attaching the holder to an end of a projection lens barrel.
|
| 申请公布号 |
US5537166(A) |
申请公布日期 |
1996.07.16 |
| 申请号 |
US19950448241 |
申请日期 |
1995.05.23 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
KEELAN, BRIAN W.;PAGANO, DANIEL M. |
| 分类号 |
G03B9/02;G03B21/14;(IPC1-7):G03B21/14;G02B9/00 |
主分类号 |
G03B9/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
