BG61545B1 - System of transmission of information - Google Patents
System of transmission of information Download PDFInfo
- Publication number
- BG61545B1 BG61545B1 BG99662A BG9966295A BG61545B1 BG 61545 B1 BG61545 B1 BG 61545B1 BG 99662 A BG99662 A BG 99662A BG 9966295 A BG9966295 A BG 9966295A BG 61545 B1 BG61545 B1 BG 61545B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- circuit
- subscriber
- codec
- slac
- bidirectional
- 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
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
- H04Q11/0442—Exchange access circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Radio Relay Systems (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0212392A AT399071B (de) | 1992-10-27 | 1992-10-27 | Nachrichtenübertragungssystem, insbesondere telefonsystem |
| PCT/AT1993/000165 WO1994010809A1 (de) | 1992-10-27 | 1993-10-27 | Nachrichtenübertragungssystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BG99662A BG99662A (bg) | 1995-12-29 |
| BG61545B1 true BG61545B1 (en) | 1997-11-28 |
Family
ID=3528272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG99662A BG61545B1 (en) | 1992-10-27 | 1995-05-23 | System of transmission of information |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5629931A (pl) |
| EP (1) | EP0667084B1 (pl) |
| AT (2) | AT399071B (pl) |
| AU (1) | AU5172293A (pl) |
| BG (1) | BG61545B1 (pl) |
| DE (1) | DE59308259D1 (pl) |
| PL (1) | PL173621B1 (pl) |
| RU (1) | RU2127957C1 (pl) |
| WO (1) | WO1994010809A1 (pl) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9512283D0 (en) * | 1995-06-16 | 1995-08-16 | Int Mobile Satellite Org | Communication method and apparatus |
| US6243390B1 (en) | 1996-03-12 | 2001-06-05 | Nortel Networks Limited | ISDN communications controller |
| US6215796B1 (en) | 1996-03-12 | 2001-04-10 | Nortel Networks Limited | Process for subchannel bandwidth allocation and extraction by an ISDN communications controller |
| US6125127A (en) * | 1996-03-12 | 2000-09-26 | Nortel Networks Corporation | Method of convenient call acceptance for an ISDN communications controller |
| DE19610008A1 (de) * | 1996-03-14 | 1997-09-18 | Sel Alcatel Ag | Einrichtung zur Reduzierung von Übertragungskapazität |
| US5878133A (en) * | 1996-08-21 | 1999-03-02 | Advanced Micro Devices, Inc. | Digital direct current feed control for a communication system |
| US5875229A (en) * | 1996-10-15 | 1999-02-23 | Motorola Inc. | System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network |
| US6034953A (en) * | 1997-03-12 | 2000-03-07 | Nortel Networks Corporation | System for local voice distribution by an ISDN communications controller |
| AT405004B (de) * | 1997-06-25 | 1999-04-26 | Ericsson Austria Ag | Schaltungsanordnung zur nachrichtenübertragung |
| CN1060302C (zh) * | 1997-09-02 | 2001-01-03 | 智合科技股份有限公司 | 具有双向接口的拨号装置 |
| US5966427A (en) * | 1997-09-30 | 1999-10-12 | Siemens Information | Apparatus and method for troubleshooting internet protocol telephony networks |
| AT407321B (de) * | 1997-12-23 | 2001-02-26 | Ericsson Austria Ag | Verfahren zum anschliessen eines ferngespeisten, peripheren geräts |
| IL123045A0 (en) * | 1998-01-25 | 1998-09-24 | Eci Telecom Ltd | Apparatus and method for digital telephony |
| US6259676B1 (en) * | 1998-06-17 | 2001-07-10 | Nokia Telecommunications Oy | Upgrading of subscriber connection |
| US6667986B1 (en) * | 1998-10-01 | 2003-12-23 | Utstarcom Incorporated | System and method for providing high-speed data access using a distributed modem |
| GB2396460A (en) * | 2001-09-20 | 2004-06-23 | Telemessenger Ltd | An information transmission system |
| MXPA04007136A (es) * | 2002-01-30 | 2004-10-29 | Tyco Electronics Raychem Nv | Aparato para administracion y control remoto de caracteristicas electricas de cada par de alambres conectados a una central telefonica y a una estructura de distribucion. |
| FR2859856A1 (fr) * | 2003-09-16 | 2005-03-18 | France Telecom | Systeme et disposiif d'alimentation a distance d'un equipement de traitement d'informations |
| US7454535B2 (en) * | 2006-05-12 | 2008-11-18 | Texas Instruments Incorporated | Bidirectional data repeater switch |
| CN109782054B (zh) * | 2019-03-18 | 2020-11-13 | 中国计量科学研究院 | 一种基于量子电压的交流电压换向差分测量装置及方法 |
| BE1027725B1 (nl) * | 2019-11-04 | 2021-06-08 | Atlas Copco Airpower Nv | Werkwijze voor het beheren van een compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943305A (en) * | 1974-11-11 | 1976-03-09 | Magnetic Controls Company | Telephone line control system |
| DE2816468A1 (de) * | 1977-04-18 | 1978-12-21 | Sangamo Weston | Magnetbandgeraet und verfahren zu seinem betrieb |
| DE3312935A1 (de) * | 1983-04-11 | 1984-10-11 | Siemens AG, 1000 Berlin und 8000 München | Teilnehmerschaltung mit selbsttaetiger teilnehmerschlussleitungsueberwachung |
| AT396535B (de) * | 1990-06-13 | 1993-10-25 | Semcotec Handel | Nachrichtenübertragungssystem, insbesondere telefonsystem |
| GB2269073B (en) * | 1992-07-23 | 1996-06-19 | Northern Telecom Ltd | Remote line tester |
-
1992
- 1992-10-27 AT AT0212392A patent/AT399071B/de not_active IP Right Cessation
-
1993
- 1993-10-27 PL PL93311033A patent/PL173621B1/pl unknown
- 1993-10-27 EP EP93922860A patent/EP0667084B1/de not_active Expired - Lifetime
- 1993-10-27 AT AT93922860T patent/ATE164038T1/de not_active IP Right Cessation
- 1993-10-27 AU AU51722/93A patent/AU5172293A/en not_active Abandoned
- 1993-10-27 DE DE59308259T patent/DE59308259D1/de not_active Expired - Fee Related
- 1993-10-27 WO PCT/AT1993/000165 patent/WO1994010809A1/de not_active Ceased
- 1993-10-27 US US08/428,147 patent/US5629931A/en not_active Expired - Fee Related
- 1993-10-27 RU RU95113093/09A patent/RU2127957C1/ru not_active IP Right Cessation
-
1995
- 1995-05-23 BG BG99662A patent/BG61545B1/bg unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1994010809A1 (de) | 1994-05-11 |
| AT399071B (de) | 1995-03-27 |
| US5629931A (en) | 1997-05-13 |
| PL173621B1 (pl) | 1998-04-30 |
| ATA212392A (de) | 1994-07-15 |
| PL311033A1 (en) | 1996-01-22 |
| AU5172293A (en) | 1994-05-24 |
| EP0667084B1 (de) | 1998-03-11 |
| EP0667084A1 (de) | 1995-08-16 |
| ATE164038T1 (de) | 1998-03-15 |
| DE59308259D1 (de) | 1998-04-16 |
| RU2127957C1 (ru) | 1999-03-20 |
| BG99662A (bg) | 1995-12-29 |
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