| 发明名称 |
Feed motor lock detection device |
| 摘要 |
A feed motor lock detection device detects a back-electromotive voltage in a feed motor M and checks whether the feed motor M is in a driven state or in a non-driven state based on the level of the back-electromotive voltage.
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| 申请公布号 |
US7906928(B2) |
申请公布日期 |
2011.03.15 |
| 申请号 |
US20080045865 |
申请日期 |
2008.03.11 |
| 申请人 |
ROHM CO., LTD. |
发明人 |
ITO YUJI;FUJIMURA TAKASHI |
| 分类号 |
H02P3/00 |
主分类号 |
H02P3/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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