发明名称 |
DEVICE FOR CONTROLLING SPEED OF ELEVATOR |
摘要 |
PURPOSE:To improve a riding feeling of a cage of an elevator by preventing vibration of current by switching thyristor group upon detection of zero armature current when the cage is elevated. |
申请公布号 |
JPS5251643(A) |
申请公布日期 |
1977.04.25 |
申请号 |
JP19750127620 |
申请日期 |
1975.10.23 |
申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
ISHII TOSHIAKI;WATANABE HIDENORI |
分类号 |
B66B1/24;B66B1/28;B66B1/30;H02P7/292 |
主分类号 |
B66B1/24 |
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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