ATE421841T1 - Telefonsystem, zentrale vermittlungsstelle und trennvorrichtung für analoge telefonsignalen und digitale datensignalen - Google Patents
Telefonsystem, zentrale vermittlungsstelle und trennvorrichtung für analoge telefonsignalen und digitale datensignalenInfo
- Publication number
- ATE421841T1 ATE421841T1 AT99402898T AT99402898T ATE421841T1 AT E421841 T1 ATE421841 T1 AT E421841T1 AT 99402898 T AT99402898 T AT 99402898T AT 99402898 T AT99402898 T AT 99402898T AT E421841 T1 ATE421841 T1 AT E421841T1
- Authority
- AT
- Austria
- Prior art keywords
- ringing
- digital data
- telephone
- signal
- signals
- Prior art date
Links
- 238000009434 installation Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Selective Calling Equipment (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99402898A EP1102514B1 (de) | 1999-11-19 | 1999-11-19 | Telefonsystem, zentrale Vermittlungsstelle und Trennvorrichtung für analoge Telefonsignalen und digitale Datensignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE421841T1 true ATE421841T1 (de) | 2009-02-15 |
Family
ID=8242186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99402898T ATE421841T1 (de) | 1999-11-19 | 1999-11-19 | Telefonsystem, zentrale vermittlungsstelle und trennvorrichtung für analoge telefonsignalen und digitale datensignalen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7003089B1 (de) |
| EP (1) | EP1102514B1 (de) |
| JP (1) | JP2001203827A (de) |
| CN (1) | CN1212750C (de) |
| AT (1) | ATE421841T1 (de) |
| DE (1) | DE69940348D1 (de) |
| IL (1) | IL139180A0 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7184532B2 (en) | 2002-12-20 | 2007-02-27 | International Business Machines Corporation | Dynamic ringback services |
| GB0322894D0 (en) * | 2003-09-30 | 2003-10-29 | British Telecomm | Telephony system |
| US8351784B2 (en) * | 2008-12-02 | 2013-01-08 | Electronics And Telecommunications Research Institute | Packet-optical integrated switch without optical transponder |
| CN101820483A (zh) * | 2010-04-19 | 2010-09-01 | 三一重型装备有限公司 | 矿用井上井下通信系统 |
| CN101820484A (zh) * | 2010-04-19 | 2010-09-01 | 三一重型装备有限公司 | 一种矿用隔爆兼本安型信号转换方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591728A (en) * | 1966-02-11 | 1971-07-06 | Western Electronics Dev Corp | Local ringing and ring-trip relay for carrier terminal |
| US4042786A (en) * | 1976-04-26 | 1977-08-16 | Bell Telephone Laboratories, Incorporated | Telephone ringer circuit |
| FR2408956A1 (fr) * | 1976-12-29 | 1979-06-08 | Cit Alcatel | Dispositif pour l'emission d'un signal basse frequence de tension elevee par l'intermediaire d'une liaison a courants porteurs |
| IT1083388B (it) * | 1977-06-20 | 1985-05-21 | Cselt Centro Studi Lab Telecom | Suoneria elettronica per apparecchi telefonici |
| ATE201947T1 (de) * | 1995-04-24 | 2001-06-15 | Cit Alcatel | Verfahren, schnittstellenmodule und telefonnetz zum multiplexen und demultiplexen eines analogen mts (nachrichtentelefondienst) signals und eines adsl (asymmetrische digitale teilnehmerleitung) datenstroms |
| US5757803A (en) * | 1995-11-27 | 1998-05-26 | Analog Devices, Inc. | Pots splitter assembly with improved transhybrid loss for digital subscriber loop transmission |
| GB9726037D0 (en) * | 1997-12-09 | 1998-02-04 | Northern Telecom Ltd | Communications signal splitter |
| US6144733A (en) * | 1998-01-28 | 2000-11-07 | Globespan Semiconductor, Inc. | Ring filter for pots communication system |
| US6324268B1 (en) * | 1999-03-01 | 2001-11-27 | Ericsson Inc. | Splitter-less digital subscriber loop modems with improved throughput and voice and data separation |
| US6400803B1 (en) * | 1999-08-17 | 2002-06-04 | Nortel Networks Limited | Voice over digital subscriber line call redirection for lifeline service |
-
1999
- 1999-11-19 AT AT99402898T patent/ATE421841T1/de not_active IP Right Cessation
- 1999-11-19 DE DE69940348T patent/DE69940348D1/de not_active Expired - Lifetime
- 1999-11-19 EP EP99402898A patent/EP1102514B1/de not_active Expired - Lifetime
-
2000
- 2000-10-20 IL IL13918000A patent/IL139180A0/xx unknown
- 2000-11-08 US US09/707,975 patent/US7003089B1/en not_active Expired - Lifetime
- 2000-11-14 JP JP2000346046A patent/JP2001203827A/ja not_active Withdrawn
- 2000-11-17 CN CN00128549.1A patent/CN1212750C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1304273A (zh) | 2001-07-18 |
| JP2001203827A (ja) | 2001-07-27 |
| EP1102514A1 (de) | 2001-05-23 |
| CN1212750C (zh) | 2005-07-27 |
| DE69940348D1 (de) | 2009-03-12 |
| IL139180A0 (en) | 2001-11-25 |
| US7003089B1 (en) | 2006-02-21 |
| EP1102514B1 (de) | 2009-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |