FR2511511B1 - - Google Patents
Info
- Publication number
- FR2511511B1 FR2511511B1 FR8115722A FR8115722A FR2511511B1 FR 2511511 B1 FR2511511 B1 FR 2511511B1 FR 8115722 A FR8115722 A FR 8115722A FR 8115722 A FR8115722 A FR 8115722A FR 2511511 B1 FR2511511 B1 FR 2511511B1
- Authority
- FR
- France
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8115722A FR2511511A1 (fr) | 1981-08-14 | 1981-08-14 | Systeme de localisation de boucles et d'ouvertures dans une ligne bifilaire |
| DE8282401378T DE3267282D1 (en) | 1981-08-14 | 1982-07-23 | System for the localization of loops and interruptions in a two-wire line |
| EP82401378A EP0072721B1 (fr) | 1981-08-14 | 1982-07-23 | Système de localisation de boucles et d'ouvertures dans une ligne bifilaire |
| US06/404,914 US4528427A (en) | 1981-08-14 | 1982-08-03 | Test system and device for locating short circuits and open circuits in a two-lead line |
| CA000408761A CA1191553A (en) | 1981-08-14 | 1982-08-05 | Test system for locating short circuits and open circuits in a two-lead line |
| JP57140508A JPS5882170A (ja) | 1981-08-14 | 1982-08-14 | ２導体式回線の短絡および開放を検出する試験システム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8115722A FR2511511A1 (fr) | 1981-08-14 | 1981-08-14 | Systeme de localisation de boucles et d'ouvertures dans une ligne bifilaire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2511511A1 FR2511511A1 (fr) | 1983-02-18 |
| FR2511511B1 true FR2511511B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-12-30 |
Family
ID=9261470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8115722A Granted FR2511511A1 (fr) | 1981-08-14 | 1981-08-14 | Systeme de localisation de boucles et d'ouvertures dans une ligne bifilaire |
Country Status (6)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2175403B (en) * | 1985-05-14 | 1989-07-12 | Motorola Inc | Telecommunication systems |
| US4991105A (en) * | 1988-12-21 | 1991-02-05 | Accu-Scan, Inc. | Microprocessor controlled ground system monitor |
| GB8914898D0 (en) * | 1989-06-29 | 1989-08-23 | Radiodetection Ltd | Improvements relating to cable fault tracing systems |
| DE69226483T2 (de) * | 1991-08-29 | 1999-04-29 | Cirte Manifatturiera S.R.L., Neapel/Napoli | Zwischentrennvorrichtung für Fernsprechleitung |
| DE19643014C1 (de) * | 1996-10-18 | 1998-08-13 | Telefunken Microelectron | Bussystem zur elektronischen Energieversorgung |
| EP0961467A1 (en) * | 1998-05-27 | 1999-12-01 | Porta Systems Corporation | Apparatus and method for testing a telecommunications system |
| US6292541B1 (en) * | 1998-11-10 | 2001-09-18 | Pittway Corporation | Line shunt and ground fault apparatus method |
| US6389110B1 (en) * | 2000-01-24 | 2002-05-14 | Agere Systems Guardian Corp. | Telecom service identification resonator apparatus and technique |
| FR2835382B1 (fr) * | 2002-01-31 | 2005-02-25 | Electricite De France | Dispositif de controle a distance d'une ligne filaire de telecommunication |
| US7502587B2 (en) | 2004-05-28 | 2009-03-10 | Echostar Technologies Corporation | Method and device for band translation |
| US8132214B2 (en) | 2008-04-03 | 2012-03-06 | Echostar Technologies L.L.C. | Low noise block converter feedhorn |
| US9771823B2 (en) * | 2014-06-26 | 2017-09-26 | General Electric Company | Power generation system control following transient grid event |
| CN109813992B (zh) * | 2017-11-21 | 2021-04-27 | 英业达科技有限公司 | 连通性测试方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843848A (en) * | 1973-01-12 | 1974-10-22 | Magnetic Controls Co | Telephone looptest system |
| US3912882A (en) * | 1973-12-07 | 1975-10-14 | Tm Systems | Remote loop-back terminating unit for testing telephone |
| US4041255A (en) * | 1976-09-29 | 1977-08-09 | Northern Telecom Limited | Switching circuit for telecommunications lines |
| US4054759A (en) * | 1976-11-15 | 1977-10-18 | Northern Telecom Limited | Subscriber loop verification device and method |
| JPS5635545A (en) * | 1979-08-31 | 1981-04-08 | Fujitsu Ltd | Faulty area detecting system for relay transmission line |
| FR2498334A1 (fr) * | 1981-01-21 | 1982-07-23 | Gabry Andre | Installation de localisation de coupures et de courts-circuits dans une ligne bifilaire |
-
1981
- 1981-08-14 FR FR8115722A patent/FR2511511A1/fr active Granted
-
1982
- 1982-07-23 DE DE8282401378T patent/DE3267282D1/de not_active Expired
- 1982-07-23 EP EP82401378A patent/EP0072721B1/fr not_active Expired
- 1982-08-03 US US06/404,914 patent/US4528427A/en not_active Expired - Fee Related
- 1982-08-05 CA CA000408761A patent/CA1191553A/en not_active Expired
- 1982-08-14 JP JP57140508A patent/JPS5882170A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3267282D1 (en) | 1985-12-12 |
| JPH0424895B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-28 |
| JPS5882170A (ja) | 1983-05-17 |
| EP0072721A1 (fr) | 1983-02-23 |
| FR2511511A1 (fr) | 1983-02-18 |
| US4528427A (en) | 1985-07-09 |
| CA1191553A (en) | 1985-08-06 |
| EP0072721B1 (fr) | 1985-11-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |