| 发明名称 |
FAILURE SAFE POWER SURCE |
| 摘要 |
PURPOSE:To enhance the reliability of the power supply by providing a function checking system to check the throw-in of a change over breaker of the side being switched-to by having it thrown in with its power source cut off. |
| 申请公布号 |
JPS5435333(A) |
申请公布日期 |
1979.03.15 |
| 申请号 |
JP19770100398 |
申请日期 |
1977.08.24 |
| 申请人 |
HITACHI LTD;HITACHI ENG CO LTD |
发明人 |
KAKEFUDA MASARU |
| 分类号 |
H02J9/06;H01H9/54;H02J9/04 |
主分类号 |
H02J9/06 |
| 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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