BE774979A - Equipement de surveillance d'etat d'urgence - Google Patents

Equipement de surveillance d'etat d'urgence

Info

Publication number
BE774979A
BE774979A BE774979A BE774979A BE774979A BE 774979 A BE774979 A BE 774979A BE 774979 A BE774979 A BE 774979A BE 774979 A BE774979 A BE 774979A BE 774979 A BE774979 A BE 774979A
Authority
BE
Belgium
Prior art keywords
surveillance equipment
emergency surveillance
emergency
equipment
surveillance
Prior art date
Application number
BE774979A
Other languages
English (en)
French (fr)
Original Assignee
Nippon Telegraph & Telephone
Oki Electric Ind Co Ltd
Nippon Electric Co
Hitachi Ltd
Fujitsu 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 Nippon Telegraph & Telephone, Oki Electric Ind Co Ltd, Nippon Electric Co, Hitachi Ltd, Fujitsu Ltd filed Critical Nippon Telegraph & Telephone
Publication of BE774979A publication Critical patent/BE774979A/xx

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
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54575—Software application
    • H04Q3/54591—Supervision, e.g. fault localisation, traffic measurements, avoiding errors, failure recovery, monitoring, statistical analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)
BE774979A 1970-11-06 1971-11-05 Equipement de surveillance d'etat d'urgence BE774979A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45097141A JPS5136010B1 (xx) 1970-11-06 1970-11-06

Publications (1)

Publication Number Publication Date
BE774979A true BE774979A (fr) 1972-03-01

Family

ID=14184277

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774979A BE774979A (fr) 1970-11-06 1971-11-05 Equipement de surveillance d'etat d'urgence

Country Status (5)

Country Link
US (1) US3754127A (xx)
JP (1) JPS5136010B1 (xx)
BE (1) BE774979A (xx)
DE (1) DE2155079C3 (xx)
FR (1) FR2113652A5 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118864U (ja) * 1982-02-08 1983-08-13 三菱電機株式会社 屋外形回転電機
IT1151960B (it) * 1982-05-17 1986-12-24 Italtel Spa Unita' di supervisione per selettori di direzione elettronici
JPH0549058A (ja) * 1991-08-16 1993-02-26 Fujitsu Ltd リソース整合処理方式

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344241A (en) * 1967-09-26 Harmon etal trouble indicating system
US2632817A (en) * 1951-02-08 1953-03-24 Automatic Elect Lab Testing apparatus for telephone systems
US3312791A (en) * 1963-06-13 1967-04-04 Felten & Guilleaume Gmbh Communication system-line supervision and line fault location
US3378650A (en) * 1964-10-15 1968-04-16 Bell Telephone Labor Inc Communication system signaling and testing equipment
DE1951861A1 (de) * 1968-10-17 1970-08-06 Gen Electric Information Syste Verfahren und Anordnung zur automatischen UEberpruefung von Karten mit gedruckten Schaltungen
US3633016A (en) * 1970-03-04 1972-01-04 Digital General Corp Apparatus and method for testing electrical systems having a plurality of terminals
US3662125A (en) * 1970-06-03 1972-05-09 Bell Telephone Labor Inc Telephone line testing arrangement

Also Published As

Publication number Publication date
US3754127A (en) 1973-08-21
DE2155079A1 (de) 1972-05-10
FR2113652A5 (xx) 1972-06-23
DE2155079B2 (de) 1977-12-01
JPS5136010B1 (xx) 1976-10-06
DE2155079C3 (de) 1978-07-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NIPPON TELEGRAPH AND TELEPHONE CORP.

Effective date: 19881130