| 发明名称 |
DEVICE AND METHOD FOR CHOPPING AN OPTICAL BEAM |
| 摘要 |
<p>A chopper blade has parallel edges and is rotatably mounted on two eccentric discs. As one disc is driven, the blade moves across an optical beam in parallel fashion. Elliptical drive gears can be used to achieve linear speed.</p> |
| 申请公布号 |
CA1084746(A) |
申请公布日期 |
1980.09.02 |
| 申请号 |
CA19770285708 |
申请日期 |
1977.08.29 |
| 申请人 |
NORTH AMERICAN PHILIPS CORPORATION |
发明人 |
BASTIAN, ROBERT E. |
| 分类号 |
G01J5/62;G02B26/04;H04N5/225;H04N5/33;(IPC1-7):02B5/00 |
主分类号 |
G01J5/62 |
| 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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