Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority claimed from JP16680Aexternal-prioritypatent/JPS5594576A/ja
Publication of JPS55109066ApublicationCriticalpatent/JPS55109066A/ja
Publication of JPS6255342B2publicationCriticalpatent/JPS6255342B2/ja
Disposizione per il controllo di correnti continue e di correnti alternate ad alta tensione mediante indicazione di guasto a separazione di potenziale.