发明名称 NONCONTACT-TYPE POSITION SENSOR
摘要 PROBLEM TO BE SOLVED: To provide a noncontact-type position sensor capable of improving assembleability, without having to provide a part which has a complex shape. SOLUTION: This noncontact-type position sensor has a constitution wherein a first magnetoresistive element 22, a second magnetoresistive element 23, a third magnetoresistive element 25 and a fourth magnetoresistive element 26 are provided to be substantially linear, and a detection object 42 having a first enlarged diameter part 44, a second enlarged diameter part 45 and a recessed part 46 provided in parallel with the first magnetoresistive element 22, the second magnetoresistive element 23, the third magnetoresistive element 25 and the fourth magnetoresistive element 26; and the detection object 42 is moved along the first magnetoresistive element 22, the second magnetoresistive element 23, the third magnetoresistive element 25 and the fourth magnetoresistive element 26. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008292267(A) 申请公布日期 2008.12.04
申请号 JP20070137426 申请日期 2007.05.24
申请人 PANASONIC CORP 发明人 OOSHIMA MIKIHIRO;OGATA MOTOKI;TAKASHIMA YOSHINORI
分类号 G01D5/245 主分类号 G01D5/245
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