| 发明名称 |
Scanning optical system |
| 摘要 |
A scanning optical system in which a light beam is moved by a movable deflector to scan a surface to be scanned is provided with a filter disposed between the movable deflector and the surface to be scanned. The filter is concavely shaped toward the movable deflector.
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| 申请公布号 |
US4687283(A) |
申请公布日期 |
1987.08.18 |
| 申请号 |
US19830525714 |
申请日期 |
1983.08.23 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
ITO, MICHIO;SHINOHARA, YUKIMASA;IMAI, NOBUHIRO |
| 分类号 |
G02B26/10;G03G15/04;H04N1/113;(IPC1-7):G02B26/08;G01D9/42 |
主分类号 |
G02B26/10 |
| 代理机构 |
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