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.
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
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