发明名称 LIQUID LEVEL DETECTION DEVICE AND ITS MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a liquid level detection device capable of reducing cost by using in common a printing plate of a fixed electrode forming a sliding route. SOLUTION: In this liquid level detection device, the fixed electrode 3 comprising a conductive material wherein a sliding contact 5 is slid by fluctuation of the liquid level and a resistor 4 connected to the fixed electrode 3 by a plurality of reeds 3a are provided on an insulating substrate 2, and the fixed electrode 3 between the plurality of reeds 3a is cut by laser trimming, and thereby the divided fixed electrode 3 corresponding to each of the plurality of reeds 3a is provided. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005241502(A) 申请公布日期 2005.09.08
申请号 JP20040053049 申请日期 2004.02.27
申请人 NIPPON SEIKI CO LTD 发明人 KANEKO HIROAKI
分类号 G01F23/36;(IPC1-7):G01F23/36 主分类号 G01F23/36
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