| 发明名称 |
AN OPTICAL SYSTEM FOCUS-STATE DETECTOR |
| 摘要 |
An optical system focus-state detector for photometrically analysing light projected from a source (13,37) to an object (4,32) that is to be viewed or recorded via an optical system (1,31) using an off-set projection of said light, analysis means (11,12,45,63) to detect light reflected back from said object and analyse its intensity distribution relative to the axis of the optical system. |
| 申请公布号 |
DE3377814(D1) |
申请公布日期 |
1988.09.29 |
| 申请号 |
DE19833377814 |
申请日期 |
1983.06.06 |
| 申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
SHISHIDO, YOSHIO;TAKAHASHI, SUSUMU;MIYAZAKI, ATSUSHI;MATSUO, KAZUMASA;NISHIGAKI, SHINICHI;KATO, SHINICHI;NAKAMURA, TAKEAKI;ISHIKAWA, AKIBUMI |
| 分类号 |
G02B7/32;G02B23/24;(IPC1-7):G02B7/11;G02B23/08 |
主分类号 |
G02B7/32 |
| 代理机构 |
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