发明名称 |
Optoelectronic detector assembly for suppression of unwanted harmonics |
摘要 |
<p>The system (34) has detector components (34.1-34.8) whose geometrical form provides filtering of unwanted harmonics from scanning signals. The total number of detector components of a same non-rectangular geometrical form are arranged one immediately after another, in a fringe-displacement direction, in a fringe-pattern period. The adjacent detector components contact each other along a shared contact line. An independent claim is also included for a position-measuring device for determining a position of two objects movable relative to each other.</p> |
申请公布号 |
EP1477777(A1) |
申请公布日期 |
2004.11.17 |
申请号 |
EP20040009057 |
申请日期 |
2004.04.16 |
申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
HOLZAPFEL, WOLFGANG |
分类号 |
G01D5/347;G01D5/36;G01D5/38;(IPC1-7):G01D5/36 |
主分类号 |
G01D5/347 |
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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