GB2329552B - Telecommunications line terminator test - Google Patents

Telecommunications line terminator test

Info

Publication number
GB2329552B
GB2329552B GB9818067A GB9818067A GB2329552B GB 2329552 B GB2329552 B GB 2329552B GB 9818067 A GB9818067 A GB 9818067A GB 9818067 A GB9818067 A GB 9818067A GB 2329552 B GB2329552 B GB 2329552B
Authority
GB
United Kingdom
Prior art keywords
line terminator
telecommunications line
terminator test
test
telecommunications
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.)
Revoked
Application number
GB9818067A
Other versions
GB2329552A (en
GB9818067D0 (en
Inventor
Raymond Dennis Smith
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.)
GPT Ltd
Marconi Communications Ltd
BAE Systems Electronics Ltd
Original Assignee
GPT Ltd
Marconi Communications Ltd
Marconi 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
Priority claimed from GBGB9718428.7A external-priority patent/GB9718428D0/en
Application filed by GPT Ltd, Marconi Communications Ltd, Marconi Co Ltd filed Critical GPT Ltd
Priority to GB9818067A priority Critical patent/GB2329552B/en
Publication of GB9818067D0 publication Critical patent/GB9818067D0/en
Publication of GB2329552A publication Critical patent/GB2329552A/en
Application granted granted Critical
Publication of GB2329552B publication Critical patent/GB2329552B/en
Anticipated expiration legal-status Critical
Revoked 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
    • H04M3/26—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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB9818067A 1997-09-02 1998-08-20 Telecommunications line terminator test Revoked GB2329552B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9818067A GB2329552B (en) 1997-09-02 1998-08-20 Telecommunications line terminator test

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9718428.7A GB9718428D0 (en) 1997-09-02 1997-09-02 Telelcommunications line termination test
GB9818067A GB2329552B (en) 1997-09-02 1998-08-20 Telecommunications line terminator test

Publications (3)

Publication Number Publication Date
GB9818067D0 GB9818067D0 (en) 1998-10-14
GB2329552A GB2329552A (en) 1999-03-24
GB2329552B true GB2329552B (en) 2002-04-03

Family

ID=26312150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9818067A Revoked GB2329552B (en) 1997-09-02 1998-08-20 Telecommunications line terminator test

Country Status (1)

Country Link
GB (1) GB2329552B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6434232B1 (en) * 1999-08-23 2002-08-13 Intersil Corporation Apparatus and method for measuring loop impedance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373121A (en) * 1981-06-15 1983-02-08 Bell Telephone Laboratories, Incorporated Maintenance termination device
US4550223A (en) * 1981-04-17 1985-10-29 Poitevin Jean Pierre R Test device, and method for locating faults in a two-lead line
GB2269073A (en) * 1992-07-23 1994-01-26 Northern Telecom Ltd Remote telephone line tester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550223A (en) * 1981-04-17 1985-10-29 Poitevin Jean Pierre R Test device, and method for locating faults in a two-lead line
US4373121A (en) * 1981-06-15 1983-02-08 Bell Telephone Laboratories, Incorporated Maintenance termination device
GB2269073A (en) * 1992-07-23 1994-01-26 Northern Telecom Ltd Remote telephone line tester

Also Published As

Publication number Publication date
GB2329552A (en) 1999-03-24
GB9818067D0 (en) 1998-10-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
773K Patent revoked under sect. 73(2)/1977

Free format text: PATENT REVOKED ON 20070910