ES2185541T3 - Metodo para reducir la distorsion de una señal de datos digitales por una señal de llamada de un servicio telefonico antiguo simple, y generador de señal de llamada telefonica asociado. - Google Patents
Metodo para reducir la distorsion de una señal de datos digitales por una señal de llamada de un servicio telefonico antiguo simple, y generador de señal de llamada telefonica asociado.Info
- Publication number
- ES2185541T3 ES2185541T3 ES00400154T ES00400154T ES2185541T3 ES 2185541 T3 ES2185541 T3 ES 2185541T3 ES 00400154 T ES00400154 T ES 00400154T ES 00400154 T ES00400154 T ES 00400154T ES 2185541 T3 ES2185541 T3 ES 2185541T3
- Authority
- ES
- Spain
- Prior art keywords
- call signal
- digital data
- distortion
- reduce
- telephone service
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000009499 grossing Methods 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 abstract 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Communication Control (AREA)
- Analogue/Digital Conversion (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
Un método para reducir la distorsión de datos digitales ocasionada por una señal de llamada (LLAMADA1, LLAMADA2) de un Servicio Telefónico Antiguo Simple (POTS ¿ ¿Plain Old Telephone Service¿), enviada simultáneamente con dichos datos digitales a través de una línea de comunicación (LÍNEA), caracterizado porque incluye producir dicha señal de llamada (LLAMADA1, LLAMADA2) aplicando una ventana de suavización transitoria (VENTANA1, VENTANA2) a una señal de forma senoidal o cosenoidal (SENO1, SENO2).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00400154A EP1119175B1 (en) | 2000-01-20 | 2000-01-20 | Method to reduce distortion of a digital data signal by a POTS ringing signal, and related telephone ringing signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2185541T3 true ES2185541T3 (es) | 2003-05-01 |
Family
ID=8173516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00400154T Expired - Lifetime ES2185541T3 (es) | 2000-01-20 | 2000-01-20 | Metodo para reducir la distorsion de una señal de datos digitales por una señal de llamada de un servicio telefonico antiguo simple, y generador de señal de llamada telefonica asociado. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6658105B1 (es) |
| EP (1) | EP1119175B1 (es) |
| JP (1) | JP2001257773A (es) |
| AT (1) | ATE230191T1 (es) |
| DE (1) | DE60001044T2 (es) |
| ES (1) | ES2185541T3 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60001044T2 (de) * | 2000-01-20 | 2004-03-11 | Alcatel | Verfahren zur Reduzierung der Verzerrung eines digitalen Datensignals aufgrund von POTS Rufwechselspannungen und verwandte Rufwechselspannungserzeugung |
| EP1458115A1 (en) * | 2003-03-10 | 2004-09-15 | Alcatel | Attenuator for ADSL signals |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192007A (en) * | 1978-05-30 | 1980-03-04 | Lorain Products Corporation | Programmable ringing generator |
| JP2615606B2 (ja) * | 1987-03-31 | 1997-06-04 | 日本電気株式会社 | 信号音発生装置 |
| US5025443A (en) * | 1988-02-24 | 1991-06-18 | Integrated Network Corporation | Digital data over voice communication |
| US5623543A (en) * | 1994-02-01 | 1997-04-22 | British Telecommunications Public Limited Company | Two port signalling voltages filter arrangement |
| DE69525238T2 (de) | 1995-04-24 | 2002-06-27 | Alcatel, Paris | Verfahren, Schnittstellenmodule und Telefonnetz zum Multiplexen und Demultiplexen eines analogen MTS (Nachrichtentelefondienst) signals und eines ADSL (asymmetrische digitale Teilnehmerleitung) Datenstroms |
| US6212227B1 (en) * | 1997-12-02 | 2001-04-03 | Conexant Systems, Inc. | Constant envelope modulation for splitterless DSL transmission |
| DE60001044T2 (de) * | 2000-01-20 | 2004-03-11 | Alcatel | Verfahren zur Reduzierung der Verzerrung eines digitalen Datensignals aufgrund von POTS Rufwechselspannungen und verwandte Rufwechselspannungserzeugung |
-
2000
- 2000-01-20 DE DE60001044T patent/DE60001044T2/de not_active Expired - Lifetime
- 2000-01-20 AT AT00400154T patent/ATE230191T1/de not_active IP Right Cessation
- 2000-01-20 ES ES00400154T patent/ES2185541T3/es not_active Expired - Lifetime
- 2000-01-20 EP EP00400154A patent/EP1119175B1/en not_active Expired - Lifetime
- 2000-02-09 US US09/500,442 patent/US6658105B1/en not_active Expired - Fee Related
-
2001
- 2001-01-16 JP JP2001007285A patent/JP2001257773A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE60001044T2 (de) | 2004-03-11 |
| EP1119175A1 (en) | 2001-07-25 |
| EP1119175B1 (en) | 2002-12-18 |
| DE60001044D1 (de) | 2003-01-30 |
| US6658105B1 (en) | 2003-12-02 |
| ATE230191T1 (de) | 2003-01-15 |
| JP2001257773A (ja) | 2001-09-21 |
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