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.
申请公布号 US2008224650(A1) 申请公布日期 2008.09.18
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 H02P6/18 主分类号 H02P6/18
代理机构 代理人
主权项
地址