发明名称 Sheet thickness measuring apparatus which measures sheet thickness based on calculated capacity and resistance values of the sheet
摘要 A sheet thickness measuring apparatus includes an electrostatic capacity measuring device for measuring the eletrostatic capacity of a sheet, a resistance measuring device for measuring a resistance value of the sheet, and a calculator for calculating a thickness of the sheet on the basis of the electrostatic capacity measured by the electrostatic capacity measuring device and the resistance value measured by the resistance measuring device.
申请公布号 US5491421(A) 申请公布日期 1996.02.13
申请号 US19930172107 申请日期 1993.12.23
申请人 CANON KABUSHIKI KAISHA 发明人 KATSUIE, ICHIRO
分类号 G01B7/00;G01B7/02;G01B7/06;G01N27/02;G01R27/02;(IPC1-7):G01N27/02 主分类号 G01B7/00
代理机构 代理人
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