| 发明名称 |
CONTACT CONDITION*ELECTRIC SIGNAL CONVERTER |
| 摘要 |
PURPOSE:To enable a long time service and improvement of reliability by detecting, through a comparator, the change of the output coil corresponding to the change of the direct current impedance due to make and break of the switch connected to the transformer input coil. |
| 申请公布号 |
JPS5262041(A) |
申请公布日期 |
1977.05.23 |
| 申请号 |
JP19750138018 |
申请日期 |
1975.11.17 |
| 申请人 |
YOKOGAWA ELECTRIC WORKS LTD |
发明人 |
KATAYAMA SHIYUUJI |
| 分类号 |
H01H47/00;G01D5/12;G08C19/16;G08C25/00;H01H47/18;H01H71/04;H02J13/00;H04Q9/00;H04Q9/14 |
主分类号 |
H01H47/00 |
| 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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