发明授权
- 专利标题: Stepping motor drive device
- 专利标题(中): 步进电机驱动装置
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申请号: US107877申请日: 1987-10-09
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公开(公告)号: US4812727A公开(公告)日: 1989-03-14
- 发明人: Shinji Sakai , Takashi Kawabata , Ryosuke Miyamoto
- 申请人: Shinji Sakai , Takashi Kawabata , Ryosuke Miyamoto
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX60-080492 19850416
- 主分类号: H02P8/14
- IPC分类号: H02P8/14 ; G03B3/10 ; H02P8/18 ; H02P8/22 ; H02P8/24
摘要:
A stepping motor drive device including a comparator for comparing the number of drive steps with a prescribed value and a control circuit for changing the operation of the stepping motor between a 1-2 phase excitation drive mode and a 2-phase excitation drive mode based on the comparison result of the comparator.
公开/授权文献
- USD427637S Mathematical learning game 公开/授权日:2000-07-04
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