JPS52135606A - Protection system at communication line fault - Google Patents

Protection system at communication line fault

Info

Publication number
JPS52135606A
JPS52135606A JP5220876A JP5220876A JPS52135606A JP S52135606 A JPS52135606 A JP S52135606A JP 5220876 A JP5220876 A JP 5220876A JP 5220876 A JP5220876 A JP 5220876A JP S52135606 A JPS52135606 A JP S52135606A
Authority
JP
Japan
Prior art keywords
communication line
protection system
line fault
fault
bus
Prior art date
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.)
Granted
Application number
JP5220876A
Other languages
Japanese (ja)
Other versions
JPS5651553B2 (en
Inventor
Takeshi Fukuhara
Tatsumasa Yamashita
Hidetaka Yamashita
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5220876A priority Critical patent/JPS52135606A/en
Publication of JPS52135606A publication Critical patent/JPS52135606A/en
Publication of JPS5651553B2 publication Critical patent/JPS5651553B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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

Abstract

PURPOSE:To prevent the misconnection due to the fault of diodes etc. by making the potential of bus as that after normal connection.
JP5220876A 1976-05-10 1976-05-10 Protection system at communication line fault Granted JPS52135606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5220876A JPS52135606A (en) 1976-05-10 1976-05-10 Protection system at communication line fault

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5220876A JPS52135606A (en) 1976-05-10 1976-05-10 Protection system at communication line fault

Publications (2)

Publication Number Publication Date
JPS52135606A true JPS52135606A (en) 1977-11-12
JPS5651553B2 JPS5651553B2 (en) 1981-12-05

Family

ID=12908338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5220876A Granted JPS52135606A (en) 1976-05-10 1976-05-10 Protection system at communication line fault

Country Status (1)

Country Link
JP (1) JPS52135606A (en)

Also Published As

Publication number Publication date
JPS5651553B2 (en) 1981-12-05

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