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 Engineering Ltd
Original Assignee
NEC Engineering 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 Engineering LtdfiledCriticalNEC Engineering Ltd
Priority to JP16264187ApriorityCriticalpatent/JPS645253A/ja
Publication of JPS645253ApublicationCriticalpatent/JPS645253A/ja
Method and circuit arrangement for establishing connections and transmitting communication signals between subscriber's stations or line groups in a communications exchange, in particular a data exchange, having a loop arrangement