BE717582A - - Google Patents

Info

Publication number
BE717582A
BE717582A BE717582DA BE717582A BE 717582 A BE717582 A BE 717582A BE 717582D A BE717582D A BE 717582DA BE 717582 A BE717582 A BE 717582A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE717582A publication Critical patent/BE717582A/xx

Links

Classifications

    • 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
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE717582D 1967-07-05 1968-07-04 BE717582A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR113113A FR1537781A (fr) 1967-07-05 1967-07-05 Dispositif détecteur d'incidents sur ligne ou câble bifilaire

Publications (1)

Publication Number Publication Date
BE717582A true BE717582A (enrdf_load_stackoverflow) 1968-12-16

Family

ID=8634477

Family Applications (1)

Application Number Title Priority Date Filing Date
BE717582D BE717582A (enrdf_load_stackoverflow) 1967-07-05 1968-07-04

Country Status (4)

Country Link
BE (1) BE717582A (enrdf_load_stackoverflow)
DE (1) DE1763618A1 (enrdf_load_stackoverflow)
FR (1) FR1537781A (enrdf_load_stackoverflow)
GB (1) GB1250766A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364462A1 (fr) * 1976-09-10 1978-04-07 Gravejat Bernard Dispositif pour le controle permanent de lignes a deux conducteurs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208052B (en) * 1987-08-14 1991-08-07 B & R Electrical Prod Ltd Improvements in or related to circuit breakers used with electrical apparatus
US7684167B2 (en) 2003-09-30 2010-03-23 Fisher-Rosemount Systems, Inc. Communication bus suitable for use in a hazardous area of a process plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364462A1 (fr) * 1976-09-10 1978-04-07 Gravejat Bernard Dispositif pour le controle permanent de lignes a deux conducteurs

Also Published As

Publication number Publication date
FR1537781A (fr) 1968-08-30
DE1763618A1 (de) 1971-11-18
GB1250766A (enrdf_load_stackoverflow) 1971-10-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. D' ELECTRONIQUE ET D'AUTOMATISME

Effective date: 19840704