发明名称 |
Optical scanning unit and method for mounting the same |
摘要 |
An optical scanning unit of a position measuring system for measuring a relative position of a first machine element with respect to a second machine element in a measuring direction. The optical scanning unit includes a support of a scanning grating attached to the first machine element and a detector unit attached separately to the first machine element, wherein a scanning light beam extends from the scanning grating to the detector unit as a free beam.
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申请公布号 |
US2007102631(A1) |
申请公布日期 |
2007.05.10 |
申请号 |
US20060588815 |
申请日期 |
2006.10.27 |
申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
PUCHER WOLFGANG;STURM ROBERT |
分类号 |
H01J40/14 |
主分类号 |
H01J40/14 |
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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