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ROTATION ANGLE SENSOR
申请公布号：JP2001033205(A)
申请号：JP19990209134
申请日期：1999.07.23
申请公布日期：2001.02.09
发明人：WATANABE KOICHI;OBA KOJI
分类号：G01B7/30;G01D5/165;(IPC1-7):G01B7/30
主分类号：G01B7/30
摘要：PROBLEM TO BE SOLVED: To provide a rotation angle sensor capable of measuring the rotation angle of a measurement target object rotating not less than 360 degrees, and of measuring the rotation angle of the measurement target object during power input even when the rotation angle thereof during power disconnection is unstored in a memory and the like. SOLUTION: When a lever member 6 passes through a neutral line Q, a switch member 12a is switched into an on or off state, so that it is possible to determine whether the lever member 6 is rotating in a clockwise or counterclockwise direction relative to the neutral line Q. Accordingly, even when a measurement target object rotates through not less than 360 degrees, the rotation angle thereof can be measured if it is smaller than 720 degrees.
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