AT384698B - Messvorrichtung fuer eine fernsprechleitung - Google Patents

Messvorrichtung fuer eine fernsprechleitung

Info

Publication number
AT384698B
AT384698B AT0606579A AT606579A AT384698B AT 384698 B AT384698 B AT 384698B AT 0606579 A AT0606579 A AT 0606579A AT 606579 A AT606579 A AT 606579A AT 384698 B AT384698 B AT 384698B
Authority
AT
Austria
Prior art keywords
measuring device
telephone line
telephone
line
measuring
Prior art date
Application number
AT0606579A
Other languages
English (en)
Other versions
ATA606579A (de
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of ATA606579A publication Critical patent/ATA606579A/de
Application granted granted Critical
Publication of AT384698B publication Critical patent/AT384698B/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
AT0606579A 1978-09-21 1979-09-14 Messvorrichtung fuer eine fernsprechleitung AT384698B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311,757A CA1092653A (en) 1978-09-21 1978-09-21 Method and apparatus for measuring telephone line

Publications (2)

Publication Number Publication Date
ATA606579A ATA606579A (de) 1987-05-15
AT384698B true AT384698B (de) 1987-12-28

Family

ID=4112404

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0606579A AT384698B (de) 1978-09-21 1979-09-14 Messvorrichtung fuer eine fernsprechleitung

Country Status (8)

Country Link
JP (1) JPS5542495A (de)
AT (1) AT384698B (de)
CA (1) CA1092653A (de)
DE (1) DE2936722A1 (de)
FR (1) FR2436999A1 (de)
GB (1) GB2031248B (de)
NL (1) NL7906671A (de)
SE (1) SE435775B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744604B2 (ja) * 1985-05-17 1995-05-15 日本電気株式会社 加入者線監視回路
GB2269073B (en) * 1992-07-23 1996-06-19 Northern Telecom Ltd Remote line tester
GB9613287D0 (en) * 1996-06-25 1996-08-28 Raychem Ltd Ground testing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028507A (en) * 1976-06-28 1977-06-07 Bell Telephone Laboratories, Incorporated Apparatus for applying particular voltages to three-terminal circuits and measuring resulting current flows for the purpose of determining circuit characteristics

Also Published As

Publication number Publication date
SE435775B (sv) 1984-10-15
ATA606579A (de) 1987-05-15
CA1092653A (en) 1980-12-30
GB2031248A (en) 1980-04-16
FR2436999A1 (fr) 1980-04-18
NL7906671A (nl) 1980-03-25
DE2936722A1 (de) 1980-04-10
FR2436999B1 (de) 1983-07-01
JPS6322111B2 (de) 1988-05-10
SE7907752L (sv) 1980-03-22
JPS5542495A (en) 1980-03-25
GB2031248B (en) 1982-12-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee