FR2345862B1 - - Google Patents
Info
- Publication number
- FR2345862B1 FR2345862B1 FR7708162A FR7708162A FR2345862B1 FR 2345862 B1 FR2345862 B1 FR 2345862B1 FR 7708162 A FR7708162 A FR 7708162A FR 7708162 A FR7708162 A FR 7708162A FR 2345862 B1 FR2345862 B1 FR 2345862B1
- 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
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/60—Supervising unattended repeaters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/669,857 US4025737A (en) | 1976-03-24 | 1976-03-24 | Repeater monitoring and fault location |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2345862A1 FR2345862A1 (fr) | 1977-10-21 |
| FR2345862B1 true FR2345862B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-07-17 |
Family
ID=24688006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7708162A Granted FR2345862A1 (fr) | 1976-03-24 | 1977-03-18 | Repeteur pour ligne de telecommunications |
Country Status (5)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161634A (en) * | 1978-07-31 | 1979-07-17 | Bell Telephone Laboratories, Incorporated | Count-down addressing system |
| US4161635A (en) * | 1978-07-31 | 1979-07-17 | Bell Telephone Laboratories, Incorporated | Address verification system |
| FR2444983A1 (fr) * | 1978-12-22 | 1980-07-18 | Fillot Jean Jacques | Systeme de surveillance et de regulation d'une liaison de transmission |
| US4404514A (en) * | 1981-08-24 | 1983-09-13 | General Instrument Corporation | Fault detection system as for locating faulty connections in a cable television system |
| US4642426A (en) * | 1984-12-10 | 1987-02-10 | Gte Communication Systems Corporation | Apparatus for locating faults in a carrier subscriber communication system |
| US5191595A (en) * | 1991-04-12 | 1993-03-02 | Telecommunications Techniques Corporation | T1 digital communications system for in-service detection and identification of malfunctioning repeaters |
| US5502715A (en) * | 1995-03-16 | 1996-03-26 | Penny; James R. | Integrated diplexer-amplifier for near antenna installation |
| JP2682517B2 (ja) * | 1995-07-26 | 1997-11-26 | 日本電気株式会社 | 光出力遮断システム |
| KR20000042660A (ko) * | 1998-12-26 | 2000-07-15 | 서평원 | 광중계 시스템의 이득제어방법 |
| US6977958B1 (en) | 2000-02-23 | 2005-12-20 | 2Wire, Inc. | Differentially-driven loop extender |
| US7072385B1 (en) | 2000-02-23 | 2006-07-04 | 2Wire, Inc. | Load coil and DSL repeater including same |
| EP1378107A4 (en) * | 2001-02-06 | 2006-04-12 | 2Wire Inc | LOOP EXTENSIONER WITH COMMUNICATION, CONTROL AND DIAGNOSIS |
| EP1358737A4 (en) * | 2001-02-06 | 2009-12-02 | 2Wire Inc | LOOP EXTENSION WITH SELECTIVE LINE TERMINATION AND EQUALIZATION |
| EP1358731A4 (en) * | 2001-02-06 | 2005-08-24 | 2Wire Inc | "REMOTE LOOP EXPANSION DEVICE WITH COMMUNICATION, CONTROL AND DIAGNOSIS" |
| EP1370879A4 (en) * | 2001-02-15 | 2006-04-26 | 2Wire Inc | SYSTEM AND METHOD FOR ERROR ISOLATION FOR DSL LOOP EXPANSION DEVICES |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL169808B (nl) * | 1951-05-23 | Philips Nv | Frequentiekiezer met vrijloopkoppeling. | |
| BE559675A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-08-27 | 1900-01-01 | ||
| DE1117171B (de) * | 1959-08-03 | 1961-11-16 | Felten & Guilleaume Carlswerk | Traegerfrequenzuebertragungssystem mit Zweiweg-Zwischenverstaerkern und Verfahren zur Fernueberwachung dieser Verstaerker |
| GB1251121A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-01-02 | 1971-10-27 | ||
| JPS4947012A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-09-11 | 1974-05-07 |
-
1976
- 1976-03-24 US US05/669,857 patent/US4025737A/en not_active Expired - Lifetime
-
1977
- 1977-03-16 GB GB11051/77A patent/GB1545345A/en not_active Expired
- 1977-03-18 FR FR7708162A patent/FR2345862A1/fr active Granted
- 1977-03-24 CA CA274,657A patent/CA1073053A/en not_active Expired
- 1977-03-24 JP JP3167077A patent/JPS52116104A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1073053A (en) | 1980-03-04 |
| JPS52116104A (en) | 1977-09-29 |
| FR2345862A1 (fr) | 1977-10-21 |
| GB1545345A (en) | 1979-05-10 |
| US4025737A (en) | 1977-05-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |