CH599720A5 - - Google Patents
Info
- Publication number
- CH599720A5 CH599720A5 CH964775A CH964775A CH599720A5 CH 599720 A5 CH599720 A5 CH 599720A5 CH 964775 A CH964775 A CH 964775A CH 964775 A CH964775 A CH 964775A CH 599720 A5 CH599720 A5 CH 599720A5
- Authority
- CH
- Switzerland
Links
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
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)
- Dc Digital Transmission (AREA)
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2436373A DE2436373C3 (de) | 1974-07-27 | 1974-07-27 | Fehlerortungsverfahren für Vierdraht-Trägerfrequenzsysteme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH599720A5 true CH599720A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-05-31 |
Family
ID=5921784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH964775A CH599720A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-27 | 1975-07-23 |
Country Status (9)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1571495A (en) * | 1976-04-29 | 1980-07-16 | Plessey Co Ltd | Supervisory system for a data transmission system |
| JPS5435551U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1977-08-15 | 1979-03-08 | ||
| JPS5435550U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1977-08-15 | 1979-03-08 | ||
| US4266294A (en) * | 1977-08-30 | 1981-05-05 | Xerox Corporation | Copy reproduction machine with controller self check system |
| FR2444983A1 (fr) * | 1978-12-22 | 1980-07-18 | Fillot Jean Jacques | Systeme de surveillance et de regulation d'une liaison de transmission |
| US4475196A (en) * | 1981-03-06 | 1984-10-02 | Zor Clair G | Instrument for locating faults in aircraft passenger reading light and attendant call control system |
| EP0146661B1 (fr) * | 1983-12-28 | 1988-03-02 | International Business Machines Corporation | Procédé de diagnostic électrique pour identifier une cellule défectueuse dans une chaîne de cellules formant un registre à décalage |
| 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 |
| JPS60235545A (ja) * | 1984-05-08 | 1985-11-22 | Nec Corp | Ｐｃｍ伝送システムにおける信号折返し方式 |
| US4630268A (en) * | 1984-08-30 | 1986-12-16 | Rockwell International Corporation | Communication circuit loopback test apparatus |
| US4642426A (en) * | 1984-12-10 | 1987-02-10 | Gte Communication Systems Corporation | Apparatus for locating faults in a carrier subscriber communication system |
| GB2242324B (en) * | 1990-03-22 | 1993-09-22 | Stc Plc | Fault location. |
| DE69218011T2 (de) * | 1991-12-13 | 1997-06-12 | Hydro-Quebec, Montreal, Quebec | Anordnung und verfahren zur auswahl und prüfung von kommunikationsleitungen |
| JP2806738B2 (ja) * | 1993-05-21 | 1998-09-30 | 日本電気株式会社 | 無線不感地システムにおけるアラーム検出方式 |
| US5563875A (en) * | 1995-07-10 | 1996-10-08 | International Business Machines Corporation | Wrap-around route testing in packet communications networks |
| WO2000036492A2 (en) * | 1998-12-18 | 2000-06-22 | Triconex Corporation | Method and apparatus for processing control using a multiple redundant processor control system |
| KR20000042660A (ko) * | 1998-12-26 | 2000-07-15 | 서평원 | 광중계 시스템의 이득제어방법 |
| US7729267B2 (en) * | 2003-11-26 | 2010-06-01 | Cisco Technology, Inc. | Method and apparatus for analyzing a media path in a packet switched network |
| US7738383B2 (en) * | 2006-12-21 | 2010-06-15 | Cisco Technology, Inc. | Traceroute using address request messages |
| US7706278B2 (en) * | 2007-01-24 | 2010-04-27 | Cisco Technology, Inc. | Triggering flow analysis at intermediary devices |
| US8774010B2 (en) | 2010-11-02 | 2014-07-08 | Cisco Technology, Inc. | System and method for providing proactive fault monitoring in a network environment |
| US8559341B2 (en) | 2010-11-08 | 2013-10-15 | Cisco Technology, Inc. | System and method for providing a loop free topology in a network environment |
| US8982733B2 (en) | 2011-03-04 | 2015-03-17 | Cisco Technology, Inc. | System and method for managing topology changes in a network environment |
| US8670326B1 (en) | 2011-03-31 | 2014-03-11 | Cisco Technology, Inc. | System and method for probing multiple paths in a network environment |
| US8724517B1 (en) | 2011-06-02 | 2014-05-13 | Cisco Technology, Inc. | System and method for managing network traffic disruption |
| US8830875B1 (en) | 2011-06-15 | 2014-09-09 | Cisco Technology, Inc. | System and method for providing a loop free topology in a network environment |
| US9450846B1 (en) | 2012-10-17 | 2016-09-20 | Cisco Technology, Inc. | System and method for tracking packets in a network environment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE570884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-09-06 | 1900-01-01 | ||
| DE1161321C2 (de) * | 1962-01-17 | 1976-01-15 | Tekade Feiten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Ueberwachungs- und fehlerortungsverfahren fuer unbemannte zwischenverstaerker- stationen und die dazwischenliegenden leitungsabschnitte elektrischer nachrichtenuebertragungssysteme, insbesondere traegerfrequenzsysteme |
| DE1223891B (de) * | 1964-10-15 | 1966-09-01 | Standard Elektrik Lorenz Ag | Verfahren zur Fehlerstellenortung fuer Traegerfrequenzsysteme |
| DE1259957B (de) * | 1965-11-15 | 1968-02-01 | Siemens Ag | Einrichtung zur Auswertung der UEberwachung und Fehlerortung elektrischer Nachrichtenuebertragungssysteme nach dem Hochfrequenz-Impulsmessverfahren |
| GB1154647A (en) * | 1967-09-01 | 1969-06-11 | Standard Telephones Cables Ltd | Supervisory Circuit for Unattended Repeaters. |
| DE1941492C2 (de) * | 1969-08-14 | 1973-09-20 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Verfahren u. Fehlerortung bei einer Trägerfrequenz -Nachrichtenübertragungsstrecke |
| US3651284A (en) * | 1970-11-10 | 1972-03-21 | Bell Telephone Labor Inc | Extending the capability of a fault locate line |
| NL171512C (nl) * | 1972-08-24 | 1983-04-05 | Philips Nv | Foutlokalisatiesysteem voor lijnversterkers van versterkerstations in een transmissielijn. |
| US3909563A (en) * | 1973-11-06 | 1975-09-30 | Wescom | Procedure and apparatus for locating faults in digital repeatered lines |
-
1974
- 1974-07-27 DE DE2436373A patent/DE2436373C3/de not_active Expired
-
1975
- 1975-07-11 IT IT25293/75A patent/IT1039791B/it active
- 1975-07-23 CH CH964775A patent/CH599720A5/xx not_active IP Right Cessation
- 1975-07-23 AT AT569175A patent/AT351079B/de not_active IP Right Cessation
- 1975-07-25 AU AU83382/75A patent/AU8338275A/en not_active Expired
- 1975-07-25 US US05/598,996 patent/US4006320A/en not_active Expired - Lifetime
- 1975-07-25 JP JP50091015A patent/JPS5135036A/ja active Pending
- 1975-07-28 GB GB31557/75A patent/GB1485567A/en not_active Expired
- 1975-07-28 FR FR7523423A patent/FR2280263A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1485567A (en) | 1977-09-14 |
| AT351079B (de) | 1979-07-10 |
| IT1039791B (it) | 1979-12-10 |
| FR2280263A1 (fr) | 1976-02-20 |
| DE2436373B2 (de) | 1976-05-20 |
| AU8338275A (en) | 1977-01-27 |
| DE2436373A1 (de) | 1976-02-05 |
| US4006320A (en) | 1977-02-01 |
| DE2436373C3 (de) | 1983-02-24 |
| FR2280263B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-12-31 |
| ATA569175A (de) | 1978-12-15 |
| JPS5135036A (en) | 1976-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |