JPS547210A - Fault monitor system for charging polse generator - Google Patents

Fault monitor system for charging polse generator

Info

Publication number
JPS547210A
JPS547210A JP7218577A JP7218577A JPS547210A JP S547210 A JPS547210 A JP S547210A JP 7218577 A JP7218577 A JP 7218577A JP 7218577 A JP7218577 A JP 7218577A JP S547210 A JPS547210 A JP S547210A
Authority
JP
Japan
Prior art keywords
charging
polse
generator
monitor system
fault monitor
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
JP7218577A
Other languages
Japanese (ja)
Inventor
Masaaki Ikenaga
Katsuhiro Takahashi
Tamizo Kusano
Tamotsu Takahashi
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
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7218577A priority Critical patent/JPS547210A/en
Publication of JPS547210A publication Critical patent/JPS547210A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Meter Arrangements (AREA)

Abstract

PURPOSE:To secure a transmission of the charging pulse from the normal system by cutting off the faulty system through detection of the shift of the synchronism for the two systems of the charging pulse production circuit.
JP7218577A 1977-06-20 1977-06-20 Fault monitor system for charging polse generator Pending JPS547210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7218577A JPS547210A (en) 1977-06-20 1977-06-20 Fault monitor system for charging polse generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7218577A JPS547210A (en) 1977-06-20 1977-06-20 Fault monitor system for charging polse generator

Publications (1)

Publication Number Publication Date
JPS547210A true JPS547210A (en) 1979-01-19

Family

ID=13481894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7218577A Pending JPS547210A (en) 1977-06-20 1977-06-20 Fault monitor system for charging polse generator

Country Status (1)

Country Link
JP (1) JPS547210A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126720A (en) * 1985-11-27 1987-06-09 Mitsubishi Electric Corp Output changeover device of duplicated system
JPH0767155A (en) * 1991-07-31 1995-03-10 At & T Corp Optical system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126720A (en) * 1985-11-27 1987-06-09 Mitsubishi Electric Corp Output changeover device of duplicated system
JPH0767155A (en) * 1991-07-31 1995-03-10 At & T Corp Optical system

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