EP1325605A4 - Systeme de filtrage et procede correspondant permettant de supprimer un brouillage sur un canal multiplexe par repartition en frequence - Google Patents
Systeme de filtrage et procede correspondant permettant de supprimer un brouillage sur un canal multiplexe par repartition en frequenceInfo
- Publication number
- EP1325605A4 EP1325605A4 EP00957358A EP00957358A EP1325605A4 EP 1325605 A4 EP1325605 A4 EP 1325605A4 EP 00957358 A EP00957358 A EP 00957358A EP 00957358 A EP00957358 A EP 00957358A EP 1325605 A4 EP1325605 A4 EP 1325605A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- frequency
- filter system
- division multiplexed
- suppress interference
- multiplexed channel
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2000/021820 WO2002015539A1 (fr) | 2000-08-10 | 2000-08-10 | Systeme de filtrage et procede correspondant permettant de supprimer un brouillage sur un canal multiplexe par repartition en frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1325605A1 EP1325605A1 (fr) | 2003-07-09 |
EP1325605A4 true EP1325605A4 (fr) | 2005-06-22 |
Family
ID=21741668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00957358A Withdrawn EP1325605A4 (fr) | 2000-08-10 | 2000-08-10 | Systeme de filtrage et procede correspondant permettant de supprimer un brouillage sur un canal multiplexe par repartition en frequence |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1325605A4 (fr) |
AU (1) | AU2000268991A1 (fr) |
WO (1) | WO2002015539A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005003258B3 (de) | 2005-01-24 | 2006-05-18 | Infineon Technologies Ag | Schaltungsanordnung zum Begrenzen eines Klingelstroms |
US8300373B2 (en) * | 2008-06-26 | 2012-10-30 | Bourns, Inc. | Voltage triggered transient blocking unit |
ITAN20100015A1 (it) * | 2010-02-15 | 2010-05-17 | Stefano Marchetti | Filtro telefonico simmetrico per sistemi xdsl |
US20130281913A1 (en) | 2012-04-20 | 2013-10-24 | Klox Technologies Inc. | Biophotonic compositions and methods for providing biophotonic treatment |
CA2916337C (fr) | 2013-07-03 | 2022-03-22 | Klox Technologies Inc. | Compositions biophotoniques comprenant un chromophore et un agent gelifiant pour traiter des plaies |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200898A (en) * | 1978-06-19 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Navy | Current limiter |
US4533970A (en) * | 1983-06-27 | 1985-08-06 | Motorola, Inc. | Series current limiter |
DE3804250C1 (en) * | 1988-02-11 | 1989-07-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | Circuit arrangement for a current limiter |
US5623543A (en) * | 1994-02-01 | 1997-04-22 | British Telecommunications Public Limited Company | Two port signalling voltages filter arrangement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7805232A (nl) * | 1978-05-16 | 1979-11-20 | Philips Nv | Werkwijze voor het reduceren van interferentiekomponenten in een frequentiegemoduleerd signaal en inrichting voor het uitvoeren van deze werkwijze. |
US5673325A (en) * | 1992-10-29 | 1997-09-30 | Andrea Electronics Corporation | Noise cancellation apparatus |
US5974139A (en) * | 1997-03-07 | 1999-10-26 | Bellsouth Corporation | Line isolation device for asymmetrical digital subscriber line |
-
2000
- 2000-08-10 WO PCT/US2000/021820 patent/WO2002015539A1/fr not_active Application Discontinuation
- 2000-08-10 AU AU2000268991A patent/AU2000268991A1/en not_active Abandoned
- 2000-08-10 EP EP00957358A patent/EP1325605A4/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200898A (en) * | 1978-06-19 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Navy | Current limiter |
US4533970A (en) * | 1983-06-27 | 1985-08-06 | Motorola, Inc. | Series current limiter |
DE3804250C1 (en) * | 1988-02-11 | 1989-07-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | Circuit arrangement for a current limiter |
US5623543A (en) * | 1994-02-01 | 1997-04-22 | British Telecommunications Public Limited Company | Two port signalling voltages filter arrangement |
Non-Patent Citations (1)
Title |
---|
See also references of WO0215539A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2000268991A1 (en) | 2002-02-25 |
WO2002015539A1 (fr) | 2002-02-21 |
EP1325605A1 (fr) | 2003-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030310 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20050509 |
|
18W | Application withdrawn |
Effective date: 20050503 |