发明名称 |
Angle measuring system |
摘要 |
An angle measuring system for the contactless determination of an angle between a first object and a second object which can be moved with respect to each other, the angle measuring system including a first component having a light source and connected to a first object and a second component having a photodetector and connected to a second object. A grating is connected either to the first component or the second component, the grating having a combined amplitude-phase grating.
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申请公布号 |
US6995836(B1) |
申请公布日期 |
2006.02.07 |
申请号 |
US20020148111 |
申请日期 |
2002.10.28 |
申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
TONDORF SEBASTIAN;THIEL JUERGEN;BRAASCH JAN;SEYFRIED VOLKER;HOLZAPFEL WOLFGANG |
分类号 |
G01B11/26;G01D5/38;G01D5/26;G01S3/782;G01S13/75 |
主分类号 |
G01B11/26 |
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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