发明名称 |
CAPACITIVE DISPLACEMENT MEASURING DEVICE WITH T-SHAPED SCALE COATINGS |
摘要 |
A capacitance length and/or angle measuring device has a transducer comprising a stationary part (1) forming a scale and a part (2) displaceable parallel over the surface of the scale, at a short distance therefrom and acting as a sensing unit. The opposite surfaces of the scale and sensing unit are provided with capacitor coatings (5,6,7,8,9). The mechanical quantity to be measured causes an area vibration of a capacitor, the capacitance variation resulting therefrom acting as a variable capacitive reactance in a circuit, which changes the phase position of the electrical signals. With an appropriate configuration of the capacitor surfaces one obtains a linear function between the mechanical quantity to be measured and the phase portion of the signals.
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申请公布号 |
US5068653(A) |
申请公布日期 |
1991.11.26 |
申请号 |
US19840670349 |
申请日期 |
1984.11.09 |
申请人 |
MAUSER-WERKE OBERNDORF GMBH |
发明人 |
KLINGLER, OTTO;GRUHLER, SIEGFRIED;RIVINIUS, HELMUT |
分类号 |
G01B7/00;G01B7/02;G01B7/30;G01D5/24;G01D5/241 |
主分类号 |
G01B7/00 |
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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