发明名称 |
FOCAL POINT ADJUSTING SYSTEM FOR RAYS |
摘要 |
PURPOSE:To provide a focal point adjusting system for rays, in which the light intensities of the reflected ray from a reference target in front and at the back of the focal point are detected by means of two optical detectors so that the adjustment of the focal point of a laser beam or the like may be accomplished highly precisely and safely. |
申请公布号 |
JPS5270851(A) |
申请公布日期 |
1977.06.13 |
申请号 |
JP19750127624 |
申请日期 |
1975.10.23 |
申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
INANI TAKAHIKO;TSUDA EIICHI;HAYASHI TOSHIKAZU |
分类号 |
G02B7/28;B23K26/04;G02B27/40 |
主分类号 |
G02B7/28 |
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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