| 发明名称 |
Apparatus for positioning apertures of a disk assembly |
| 摘要 |
Apparatus for positioning apertures in a beam of light including a plurality of drive members coaxially supported on a longitudinally extending shaft, each having a separate electrically operable drive motor mechanically interlocked therewith.
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| 申请公布号 |
US5198939(A) |
申请公布日期 |
1993.03.30 |
| 申请号 |
US19910795537 |
申请日期 |
1991.11.21 |
| 申请人 |
ALTMAN STAGE LIGHTING CO., INC. |
发明人 |
HEWETT, ARTHUR |
| 分类号 |
F21S8/00;G02B5/00;G09F9/37 |
主分类号 |
F21S8/00 |
| 代理机构 |
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