JPS5388508A - Off-normal relay driving system - Google Patents

Off-normal relay driving system

Info

Publication number
JPS5388508A
JPS5388508A JP249777A JP249777A JPS5388508A JP S5388508 A JPS5388508 A JP S5388508A JP 249777 A JP249777 A JP 249777A JP 249777 A JP249777 A JP 249777A JP S5388508 A JPS5388508 A JP S5388508A
Authority
JP
Japan
Prior art keywords
driving system
normal relay
relay driving
normal
securing
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.)
Pending
Application number
JP249777A
Other languages
Japanese (ja)
Inventor
Haruo Yanagi
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 Ltd filed Critical NEC Corp
Priority to JP249777A priority Critical patent/JPS5388508A/en
Publication of JPS5388508A publication Critical patent/JPS5388508A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To realize an application of the CPU processing capacity by securing an automatic detection of the OFF-normal relay action, etc. for an exchange.
JP249777A 1977-01-14 1977-01-14 Off-normal relay driving system Pending JPS5388508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP249777A JPS5388508A (en) 1977-01-14 1977-01-14 Off-normal relay driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP249777A JPS5388508A (en) 1977-01-14 1977-01-14 Off-normal relay driving system

Publications (1)

Publication Number Publication Date
JPS5388508A true JPS5388508A (en) 1978-08-04

Family

ID=11530985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP249777A Pending JPS5388508A (en) 1977-01-14 1977-01-14 Off-normal relay driving system

Country Status (1)

Country Link
JP (1) JPS5388508A (en)

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