发明名称 Method for digitally measuring electrical impedance
摘要 A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a metallic target object being monitored. The system further including a cable-length calibration method, an automatic material identification and calibration method, a material insensitive method, an inductive ratio method and advanced sensing characteristics.
申请公布号 US2004176918(A1) 申请公布日期 2004.09.09
申请号 US20030445691 申请日期 2003.05.27
申请人 SLATES RICHARD D. 发明人 SLATES RICHARD D.
分类号 G01B7/00;G01B7/02;G01D5/20;G01D18/00;G01N27/90;G01R27/02;H03K17/95;(IPC1-7):G06F19/00 主分类号 G01B7/00
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