发明名称 |
Rotating speed detecting apparatus |
摘要 |
A rotating speed detecting apparatus has: a bearing sensor configured to detect rotation of a motor and output detection pulses whose frequency depending on a rotating speed of the motor; and a calculating unit configured to receive the detection pulses from the bearing sensor. The detection pulses include a first pulse and a second pulse output next to the first pulse. The calculating unit calculates a revolution of the motor from a pulse interval between the first pulse and the second pulse.
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申请公布号 |
US2006190213(A1) |
申请公布日期 |
2006.08.24 |
申请号 |
US20060337594 |
申请日期 |
2006.01.24 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
NAKAKITA OSAMU;MORIMOTO MASAYUKI;SAKURAI TAKAO;NAKAMURA MITSUGU |
分类号 |
G01P3/00 |
主分类号 |
G01P3/00 |
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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