FR2462715A1 - Systeme de localisation de defaut pour circuit de transmission bidirectionnelle simultanee a repeteurs - Google Patents
Systeme de localisation de defaut pour circuit de transmission bidirectionnelle simultanee a repeteurs Download PDFInfo
- Publication number
- FR2462715A1 FR2462715A1 FR8016207A FR8016207A FR2462715A1 FR 2462715 A1 FR2462715 A1 FR 2462715A1 FR 8016207 A FR8016207 A FR 8016207A FR 8016207 A FR8016207 A FR 8016207A FR 2462715 A1 FR2462715 A1 FR 2462715A1
- Authority
- FR
- France
- Prior art keywords
- signal
- repeater
- terminal
- transmission
- specific signal
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract description 77
- 230000002457 bidirectional effect Effects 0.000 title abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 230000004807 localization Effects 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 8
- 230000000295 complement effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/407—Monitoring; Testing of relay systems without selective localization
- H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/060,439 US4266183A (en) | 1979-07-25 | 1979-07-25 | Fault locating arrangement for a two-way repeatered transmission link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2462715A1 true FR2462715A1 (fr) | 1981-02-13 |
| FR2462715B1 FR2462715B1 (https=) | 1985-02-22 |
Family
ID=22029483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8016207A Granted FR2462715A1 (fr) | 1979-07-25 | 1980-07-23 | Systeme de localisation de defaut pour circuit de transmission bidirectionnelle simultanee a repeteurs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4266183A (https=) |
| CH (1) | CH650625A5 (https=) |
| FR (1) | FR2462715A1 (https=) |
| GB (1) | GB2056822B (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660194A (en) * | 1984-04-05 | 1987-04-21 | New York Telephone Company | Method and apparatus for testing a subscriber's line circuit in a packet switched multiplexed data/voice communication system |
| FR2574203B1 (fr) * | 1984-11-30 | 1987-04-24 | Cit Alcatel | Procede de telesignalisation pour une liaison de transmission numerique et dispositif pour sa mise en oeuvre |
| FR2580880B1 (fr) * | 1985-04-19 | 1992-09-04 | Cit Alcatel | Procede et dispositif de telesignalisation pour une liaison de transmission numerique bidirectionnelle |
| JPS6295050A (ja) * | 1985-10-22 | 1987-05-01 | Kokusai Denshin Denwa Co Ltd <Kdd> | デイジタル中継器監視用符号の伝送方式 |
| SE458328B (sv) * | 1987-07-16 | 1989-03-13 | Ericsson Telefon Ab L M | Anordning foer fellokalisering i en dubbelriktad optisk linjelaenk |
| ATE131935T1 (de) * | 1989-07-31 | 1996-01-15 | Mitsui Petrochemical Ind | Anordnung zur überwachung der isolationsverschlechterung einer elektrischen installation |
| US5212713A (en) * | 1989-08-09 | 1993-05-18 | Tasman Cable Company | Fault location arrangement for digital transmission systems |
| GB2242324B (en) * | 1990-03-22 | 1993-09-22 | Stc Plc | Fault location. |
| JP2515046B2 (ja) * | 1990-07-13 | 1996-07-10 | 富士通株式会社 | 光中継器 |
| US5752198A (en) * | 1994-11-14 | 1998-05-12 | Ericsson Inc. | Single site, split location trunked radio communications system |
| US5689801A (en) * | 1994-11-14 | 1997-11-18 | Ericsson Inc. | Power monitoring system for a single site, split location trunked radio communication system |
| US6493124B1 (en) | 1999-07-27 | 2002-12-10 | Tellabs Operations, Inc. | Looping back signals in optical switches |
| EP2854282A1 (en) * | 2013-09-30 | 2015-04-01 | Alstom Technology Ltd | Submodule identification in a modular multilevel converter by means of measuring signal propagation times from the central controller |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395650A1 (fr) * | 1977-06-20 | 1979-01-19 | France Etat | Systeme de telelocalisation sur une liaison de transmission analogique ou numerique comprenant notamment des repeteurs-regenerateurs |
| GB2012949A (en) * | 1978-01-09 | 1979-08-01 | Kokusai Denshin Denwa Co Ltd | Fault location system for optical repeating paths |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649777A (en) * | 1968-04-26 | 1972-03-14 | Nippon Electric Co | Supervisory apparatus for pcm regenerative repeaters |
| CA1044760A (en) * | 1974-10-09 | 1978-12-19 | Lim C. Hwa | Methods and equipment for testing reflection points of transmission lines |
-
1979
- 1979-07-25 US US06/060,439 patent/US4266183A/en not_active Expired - Lifetime
-
1980
- 1980-07-23 FR FR8016207A patent/FR2462715A1/fr active Granted
- 1980-07-24 GB GB8024322A patent/GB2056822B/en not_active Expired
- 1980-07-24 CH CH5662/80A patent/CH650625A5/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395650A1 (fr) * | 1977-06-20 | 1979-01-19 | France Etat | Systeme de telelocalisation sur une liaison de transmission analogique ou numerique comprenant notamment des repeteurs-regenerateurs |
| GB2012949A (en) * | 1978-01-09 | 1979-08-01 | Kokusai Denshin Denwa Co Ltd | Fault location system for optical repeating paths |
Also Published As
| Publication number | Publication date |
|---|---|
| US4266183A (en) | 1981-05-05 |
| GB2056822A (en) | 1981-03-18 |
| FR2462715B1 (https=) | 1985-02-22 |
| CH650625A5 (de) | 1985-07-31 |
| GB2056822B (en) | 1983-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |