GB2241790B - Communication line testing - Google Patents

Communication line testing

Info

Publication number
GB2241790B
GB2241790B GB9100310A GB9100310A GB2241790B GB 2241790 B GB2241790 B GB 2241790B GB 9100310 A GB9100310 A GB 9100310A GB 9100310 A GB9100310 A GB 9100310A GB 2241790 B GB2241790 B GB 2241790B
Authority
GB
United Kingdom
Prior art keywords
communication line
line testing
testing
communication
line
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.)
Expired - Fee Related
Application number
GB9100310A
Other versions
GB2241790A (en
GB9100310D0 (en
Inventor
Antonio Rancatore
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB9100310D0 publication Critical patent/GB9100310D0/en
Publication of GB2241790A publication Critical patent/GB2241790A/en
Application granted granted Critical
Publication of GB2241790B publication Critical patent/GB2241790B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04M3/229—Wire identification arrangements; Number assignment determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G01R31/60—Identification of wires in a multicore cable
GB9100310A 1990-01-08 1991-01-08 Communication line testing Expired - Fee Related GB2241790B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909000339A GB9000339D0 (en) 1990-01-08 1990-01-08 Communication line tester

Publications (3)

Publication Number Publication Date
GB9100310D0 GB9100310D0 (en) 1991-02-20
GB2241790A GB2241790A (en) 1991-09-11
GB2241790B true GB2241790B (en) 1994-04-06

Family

ID=10668955

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909000339A Pending GB9000339D0 (en) 1990-01-08 1990-01-08 Communication line tester
GB9100310A Expired - Fee Related GB2241790B (en) 1990-01-08 1991-01-08 Communication line testing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909000339A Pending GB9000339D0 (en) 1990-01-08 1990-01-08 Communication line tester

Country Status (1)

Country Link
GB (2) GB9000339D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514495A1 (en) * 1995-04-19 1996-10-24 Wolfgang Zimmermann Method for testing switched power paths in telecommunication networks
CA2356068C (en) * 2000-09-30 2010-12-07 Fluke Networks, Inc. Network test instrument
US6820225B1 (en) 2000-09-30 2004-11-16 Fluke Corporation Network test instrument

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026297A1 (en) * 1979-08-24 1981-04-08 National Aeronautics And Space Administration Apparatus for sensing and locating shorts between a plurality n of electrical conductors
US4581577A (en) * 1982-12-15 1986-04-08 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Continuity detecting apparatus
US4689551A (en) * 1985-09-05 1987-08-25 Tektite Corporation Testing wiring harnesses
GB2226642A (en) * 1988-11-25 1990-07-04 Gerald William Yeend Cable testers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026297A1 (en) * 1979-08-24 1981-04-08 National Aeronautics And Space Administration Apparatus for sensing and locating shorts between a plurality n of electrical conductors
US4581577A (en) * 1982-12-15 1986-04-08 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Continuity detecting apparatus
US4689551A (en) * 1985-09-05 1987-08-25 Tektite Corporation Testing wiring harnesses
GB2226642A (en) * 1988-11-25 1990-07-04 Gerald William Yeend Cable testers

Also Published As

Publication number Publication date
GB9000339D0 (en) 1990-03-07
GB2241790A (en) 1991-09-11
GB9100310D0 (en) 1991-02-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960108