发明名称 |
Speed detection apparatus |
摘要 |
A speed detection apparatus for detecting speed of electric equipment on the basis of a sampling interval so as to stably operate a variable speed control system connected thereto. The sampling interval is varied in accordance with an input current to be supplied to the electric equipment to compensate for different current pulsations due to different modes of operation and the torques produced at different load conditions.
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申请公布号 |
US4716535(A) |
申请公布日期 |
1987.12.29 |
申请号 |
US19850727799 |
申请日期 |
1985.04.26 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YOSHIDA, KOICHI;KAWAI, JOJI |
分类号 |
G01P3/489;H02P7/28;(IPC1-7):G05B5/00;G01P3/48 |
主分类号 |
G01P3/489 |
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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