发明名称 |
Position measuring device |
摘要 |
A position measuring device including a scale carrier member and a scanning device for scanning the scale. A temperature difference is generated between the scale carrier member and/or the scanning device, on the one hand, and a housing surrounding the scale carrier member and the scanning device, on the other hand. The temperature difference ensures that condensate is always precipitated on the colder housing.
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申请公布号 |
US4982508(A) |
申请公布日期 |
1991.01.08 |
申请号 |
US19890370273 |
申请日期 |
1989.06.22 |
申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
NELLE, GUENTHER;SCHMITT, WALTER;SCHOPF, REINHOLD;WEISS, JOSEF |
分类号 |
G01D5/36;G01B5/00;G01B11/00;G01B21/02;G01D5/245;G01D5/347 |
主分类号 |
G01D5/36 |
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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