发明名称 |
Capacity measuring device using ratios of frequencies |
摘要 |
This invention relates to a capacity measuring device. A first capacity-frequency converter operates on the capacity to be measured and supplies a measurement frequency FM; a second capacity-frequency converter co-operates with a standard capacity and supplies a standard frequency FE. A calculation circuit determines (MxFM/FE)-N and a display circuit visualizes this numerical magnitude. The device can be used for weighing apparatus.
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申请公布号 |
US4366875(A) |
申请公布日期 |
1983.01.04 |
申请号 |
US19810229157 |
申请日期 |
1981.01.28 |
申请人 |
TESTUT AEQUITAS |
发明人 |
DAUGE, GILBERT V.;LANGLAIS, JACQUES F. |
分类号 |
G01G23/37;G01G3/12;G01G7/06;G01G23/16;(IPC1-7):G01G3/14 |
主分类号 |
G01G23/37 |
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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