EP1325605A4 - Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel - Google Patents

Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel

Info

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Withdrawn
Application number
EP00957358A
Other languages
German (de)
French (fr)
Other versions
EP1325605A1 (en
Inventor
Thomas J Bingel
Gorden Bremer
Ramon B Hazen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paradyne Corp
Original Assignee
Paradyne Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Paradyne Corp filed Critical Paradyne Corp
Publication of EP1325605A1 publication Critical patent/EP1325605A1/en
Publication of EP1325605A4 publication Critical patent/EP1325605A4/en
Withdrawn legal-status Critical Current

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)
EP00957358A 2000-08-10 2000-08-10 Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel Withdrawn EP1325605A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/021820 WO2002015539A1 (en) 2000-08-10 2000-08-10 Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel

Publications (2)

Publication Number Publication Date
EP1325605A1 EP1325605A1 (en) 2003-07-09
EP1325605A4 true EP1325605A4 (en) 2005-06-22

Family

ID=21741668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00957358A Withdrawn EP1325605A4 (en) 2000-08-10 2000-08-10 Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel

Country Status (3)

Country Link
EP (1) EP1325605A4 (en)
AU (1) AU2000268991A1 (en)
WO (1) WO2002015539A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003258B3 (en) 2005-01-24 2006-05-18 Infineon Technologies Ag Bell current limiting circuit arrangement for telephone device, has two Zener-diodes connected between source and respective nodes, in which sections of transistors and resistor are connected between connections for limiting current
US8300373B2 (en) * 2008-06-26 2012-10-30 Bourns, Inc. Voltage triggered transient blocking unit
ITAN20100015A1 (en) * 2010-02-15 2010-05-17 Stefano Marchetti SYMMETRICAL TELEPHONE FILTER FOR XDSL SYSTEMS
US20130281913A1 (en) 2012-04-20 2013-10-24 Klox Technologies Inc. Biophotonic compositions and methods for providing biophotonic treatment
RU2016103321A (en) 2013-07-03 2017-08-08 Клокс Текнолоджиз Инк. COMPOSITIONS AND METHODS FOR TREATING NON-HEALING RAS

Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7805232A (en) * 1978-05-16 1979-11-20 Philips Nv METHOD FOR REDUCING INTERFERENCE COMPONENTS IN A FREQUENCY MODULATED SIGNAL AND APPARATUS FOR CARRYING OUT THIS METHOD
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
See also references of WO0215539A1 *

Also Published As

Publication number Publication date
EP1325605A1 (en) 2003-07-09
AU2000268991A1 (en) 2002-02-25
WO2002015539A1 (en) 2002-02-21

Similar Documents

Publication Publication Date Title
HK1035973A1 (en) Method and apparatus for combating adjacent channel interference using multiple if filters
HK1054281A1 (en) System and method for securing a non-secure communication channel
EP1261909A4 (en) System and method for web browsing
PL348024A1 (en) Cigarette filter
AU8698701A (en) Improved digital-data receiver synchronization method and apparatus
EP0846993A4 (en) Synchronizing method for communication
SG97857A1 (en) Method and arrangement to estimate transmission channel characteristics
GB0000927D0 (en) Communication method and system
IL148865A0 (en) Communication method and communication system
IL130250A0 (en) Filter arrangement applicable to ADSL splitters
HK1048891A1 (en) Method for dynamic transitter training for a shared communication system utilizing dynamic channel allocation
HUP0102953A3 (en) Filter
GB2347601B (en) Filter
EP1325605A4 (en) Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel
GB9619856D0 (en) Channel forming method
GB2348379B (en) Filter
GB9816118D0 (en) Filter assemblies
AU139073S (en) Filter
SG78358A1 (en) Filter
TW369943U (en) A filter system
GB9811747D0 (en) Filter
GB9824272D0 (en) Filter
EP1217772A4 (en) Method for time division multiplexing
GB2325610B (en) Cigarette filter perforator
GB2339704B (en) Filter assemblies

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