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Filing date
Publication date
Application filedfiledCritical
Priority to JP5220876ApriorityCriticalpatent/JPS52135606A/ja
Publication of JPS52135606ApublicationCriticalpatent/JPS52135606A/ja
Publication of JPS5651553B2publicationCriticalpatent/JPS5651553B2/ja
H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges
(AREA)
Monitoring And Testing Of Exchanges
(AREA)
JP5220876A1976-05-101976-05-10Protection system at communication line fault
GrantedJPS52135606A
(en)