| 发明名称 |
Drive control device of vibration type motor |
| 摘要 |
A vibration control device of a vibration type motor stops motor driving when the actual driving speed, does not come close to a target speed though the frequency of a driving periodic signal is feedback-controlled to the target speed, to prevent an error when the driving circuit fails.
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| 申请公布号 |
US6333609(B1) |
申请公布日期 |
2001.12.25 |
| 申请号 |
US19990361969 |
申请日期 |
1999.07.28 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
FUKUSAKA TETSURO;OTSUBO TOSHIHIKO;KAWASE MICHIO;SUZUKI KAZUYOSHI;WATANABE TAKAHIRO;YAMAGUCHI JUN |
| 分类号 |
G03G21/00;G03G15/00;H01L41/04;H02N2/00;H02P25/02;(IPC1-7):H02K33/00 |
主分类号 |
G03G21/00 |
| 代理机构 |
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代理人 |
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