BR9105973A - Sistema de teste de linha de telecomunicacoes - Google Patents
Sistema de teste de linha de telecomunicacoesInfo
- Publication number
- BR9105973A BR9105973A BR919105973A BR9105973A BR9105973A BR 9105973 A BR9105973 A BR 9105973A BR 919105973 A BR919105973 A BR 919105973A BR 9105973 A BR9105973 A BR 9105973A BR 9105973 A BR9105973 A BR 9105973A
- Authority
- BR
- Brazil
- Prior art keywords
- test system
- line test
- telecommunications line
- telecommunications
- test
- Prior art date
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
- H04M3/301—Circuit arrangements at the subscriber's side of the line
-
- 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)
- Monitoring And Testing Of Exchanges (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909002171A GB9002171D0 (en) | 1990-01-31 | 1990-01-31 | Maintenance telecommunications unit |
PCT/GB1991/000129 WO1991011872A1 (en) | 1990-01-31 | 1991-01-30 | Telecommunications line test system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9105973A true BR9105973A (pt) | 1992-11-03 |
Family
ID=10670198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR919105973A BR9105973A (pt) | 1990-01-31 | 1991-01-30 | Sistema de teste de linha de telecomunicacoes |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0513101A1 (pt) |
JP (1) | JPH05504452A (pt) |
KR (1) | KR920704487A (pt) |
AU (1) | AU7189591A (pt) |
BR (1) | BR9105973A (pt) |
CA (1) | CA2073764A1 (pt) |
FI (1) | FI923435A (pt) |
GB (1) | GB9002171D0 (pt) |
LV (1) | LV10552B (pt) |
WO (1) | WO1991011872A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6895081B1 (en) | 1999-04-20 | 2005-05-17 | Teradyne, Inc. | Predicting performance of telephone lines for data services |
GB2355361B (en) | 1999-06-23 | 2004-04-14 | Teradyne Inc | Qualifying telephone lines for data transmission |
AU2001234637A1 (en) * | 2000-02-24 | 2001-09-03 | Teradyne, Inc. | Method and apparatus for termination detection in an adsl environment |
GB0005227D0 (en) | 2000-03-03 | 2000-04-26 | Teradyne Inc | Technique for estimatio of insertion loss |
GB2365253B (en) | 2000-07-19 | 2004-06-16 | Teradyne Inc | Method of performing insertion loss estimation |
AU2002246853A1 (en) | 2000-10-19 | 2002-07-30 | Teradyne, Inc. | Method and apparatus for bridged tap impact analysis |
US7386039B2 (en) | 2003-09-26 | 2008-06-10 | Tollgrade Communications, Inc. | Method and apparatus for identifying faults in a broadband network |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415779A (en) * | 1981-06-15 | 1983-11-15 | Western Electric Company, Inc. | Methods of and apparatus for testing telephone subscriber loop to locate a fault relative to a reference point |
DE3148740C2 (de) * | 1981-12-05 | 1985-04-11 | Fritz Kuke Kg, 1000 Berlin | Abschluß für Fernsprechleitungen |
-
1990
- 1990-01-31 GB GB909002171A patent/GB9002171D0/en active Pending
-
1991
- 1991-01-30 JP JP3503794A patent/JPH05504452A/ja active Pending
- 1991-01-30 AU AU71895/91A patent/AU7189591A/en not_active Abandoned
- 1991-01-30 BR BR919105973A patent/BR9105973A/pt not_active Application Discontinuation
- 1991-01-30 EP EP91903294A patent/EP0513101A1/en not_active Ceased
- 1991-01-30 KR KR1019920701812A patent/KR920704487A/ko not_active Application Discontinuation
- 1991-01-30 WO PCT/GB1991/000129 patent/WO1991011872A1/en not_active Application Discontinuation
- 1991-01-30 CA CA002073764A patent/CA2073764A1/en not_active Abandoned
-
1992
- 1992-07-30 FI FI923435A patent/FI923435A/fi not_active Application Discontinuation
- 1992-12-30 LV LVP-92-631A patent/LV10552B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB9002171D0 (en) | 1990-03-28 |
LV10552A (lv) | 1995-02-20 |
JPH05504452A (ja) | 1993-07-08 |
LV10552B (en) | 1995-04-20 |
CA2073764A1 (en) | 1991-08-01 |
FI923435A0 (fi) | 1992-07-30 |
WO1991011872A1 (en) | 1991-08-08 |
EP0513101A1 (en) | 1992-11-19 |
KR920704487A (ko) | 1992-12-19 |
AU7189591A (en) | 1991-08-21 |
FI923435A (fi) | 1992-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EG | Technical examination (opinion): publication of technical examination (opinion) | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |