| 发明名称 |
Position measuring device |
| 摘要 |
A position sensor has a coded curved measurement scale (20) lit (11) from behind by a light source and sampled through a micro lens lens group (3, 4) creating an image of it on a detector (19) with a different curvature.
|
| 申请公布号 |
EP1477774(A1) |
申请公布日期 |
2004.11.17 |
| 申请号 |
EP20040010151 |
申请日期 |
2004.04.29 |
| 申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
BENNER, ULRICH;MAYER, ELMAR;HOLZAPFEL, WOLFGANG |
| 分类号 |
G01D5/36;G01D5/347;(IPC1-7):G01D5/347 |
主分类号 |
G01D5/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
