发明名称 |
Motor controller for a sewing machine |
摘要 |
A motor controller for a sewing machine starts to count the number of pulse signals issued during rotation of a motor after reception of a stop signal and the detection of the needle position, and thereby sets a speed value for controlling the rotation speed of the motor so that it gradually slows based on the result of the counting of the pulse signals and so that the rotation speed of the motor goes to zero when it reaches a predetermined low value.
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申请公布号 |
US4732099(A) |
申请公布日期 |
1988.03.22 |
申请号 |
US19860926532 |
申请日期 |
1986.11.04 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NEKI, SHIGEO;OHARA, KENICHI;SHIBATA, NOBUHO;DOHI, TAKASHI |
分类号 |
D05B69/20;D05B69/26;(IPC1-7):D05B69/26 |
主分类号 |
D05B69/20 |
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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