公开(公告)号：US5422569A

公开(公告)日：1995-06-06

申请号：US61556

申请日：1993-05-17

申请人： Toru Nakahara ,  Naoyuki Ohta ,  Hitoshi Ejiri

发明人： Toru Nakahara ,  Naoyuki Ohta ,  Hitoshi Ejiri

IPC分类号： G01B7/00 ,  G01B7/30 ,  G01P3/487 ,  H02K21/24 ,  H02K29/08 ,  H02K29/14 ,  G01P3/48

CPC分类号： H02K29/08 ,  G01P3/487 ,  H02K21/24

摘要： A rotation detecting apparatus including a magnet having alternatively-arranged N-poles and S-poles on a rotator, and a magnetoresistive element having plural (six) magnetoresistive units which are continuously arranged at a predetermined interval on a stator, and signal output units which are provided at prescribed three positions of connection points of the plural detection units, wherein the detection units serving to detect magnetic field which is varied in accordance with rotation of the rotor, and the signal output units serving to output signals whose phases are different from one another by 120.degree. on the basis of the detection of the magnetic field by the detection units.

摘要翻译： 一种旋转检测装置，包括在旋转体上具有交替布置的N极和S极的磁体，以及具有在定子上以预定间隔连续布置的多个（6个）磁阻单元的磁阻元件，以及信号输出单元， 被设置在多个检测单元的连接点的规定的三个位置处，其中用于检测根据转子的旋转而变化的磁场的检测单元和用于输出相位不同的信号的信号输出单元 另一个由检测单元检测磁场的120°。