发明名称 |
MOTOR SPEED CONTROLLING CIRCUIT |
摘要 |
PURPOSE:To devise an improvement of a rotation stability and a prevention of a hunting by adding a circuit to make an output of a voltage comparing circuit to a direct current and positively feeding back to its input side. |
申请公布号 |
JPS5437211(A) |
申请公布日期 |
1979.03.19 |
申请号 |
JP19770103687 |
申请日期 |
1977.08.31 |
申请人 |
HITACHI LTD;HITACHI OME DENSHI KOGYOSHO |
发明人 |
SAGA RIYOUHEI |
分类号 |
H02P29/00;H02P5/00 |
主分类号 |
H02P29/00 |
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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