发明名称 |
Apparatus for measuring motor rotation position and speed |
摘要 |
An apparatus for detecting the speed and position of a rotating shaft of an electrical motor. A commutator is provided having three or more poles. First and second brushes are provided in sliding contact with the commutator for supplying electrical power to the poles of the commutator. At least one of the poles is in electrical communication with the shaft. Rotation detection means measure the electrical potential difference between the shaft and ground and generate a rotation information signal in response to the changes in the electrical potential difference as the shaft rotates.
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申请公布号 |
US4788497(A) |
申请公布日期 |
1988.11.29 |
申请号 |
US19870013139 |
申请日期 |
1987.02.10 |
申请人 |
KONISHIROKU PHOTO IND |
发明人 |
KATSUMURA, NOBUO |
分类号 |
H02K13/00;G01P3/46;G01P3/48;H01R39/00;(IPC1-7):G01P3/46 |
主分类号 |
H02K13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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