发明名称 Inductive distance sensor using a particular oscillator impedance ratio
摘要 An inductive distance detecting circuit has a control circuit, an inductive distance detector, and an evaluation circuit (demodulator). The control circuit is an LC- oscillator which comprises a parallel circuit having a capacitor and which uses coils of the inductive distance detector, connected in series. An operational amplifier uses the capacitor and coil to determine distance.
申请公布号 US5027066(A) 申请公布日期 1991.06.25
申请号 US19900474505 申请日期 1990.02.02
申请人 MANNESMANN REXROTH GMBH 发明人 REDER, WINFRIED
分类号 G01B7/00;G01D5/22 主分类号 G01B7/00
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