DE69024947T2 - Impedanz-Synthese durch vielfache Schleife, die filternde Mittel verwendet - Google Patents

Impedanz-Synthese durch vielfache Schleife, die filternde Mittel verwendet

Info

Publication number
DE69024947T2
DE69024947T2 DE69024947T DE69024947T DE69024947T2 DE 69024947 T2 DE69024947 T2 DE 69024947T2 DE 69024947 T DE69024947 T DE 69024947T DE 69024947 T DE69024947 T DE 69024947T DE 69024947 T2 DE69024947 T2 DE 69024947T2
Authority
DE
Germany
Prior art keywords
filtering means
multiple loop
loop impedance
impedance synthesis
synthesis
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 - Fee Related
Application number
DE69024947T
Other languages
English (en)
Other versions
DE69024947D1 (de
Inventor
Eddie Louis Marie Willocx
Elve Desiderius Jozef Moons
Pierre-Paul Francois M Guebels
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of DE69024947D1 publication Critical patent/DE69024947D1/de
Application granted granted Critical
Publication of DE69024947T2 publication Critical patent/DE69024947T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04M19/005—Feeding arrangements without the use of line transformers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE69024947T 1990-05-11 1990-05-11 Impedanz-Synthese durch vielfache Schleife, die filternde Mittel verwendet Expired - Fee Related DE69024947T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90201196A EP0455894B1 (de) 1990-05-11 1990-05-11 Impedanz-Synthese durch vielfache Schleife, die filternde Mittel verwendet

Publications (2)

Publication Number Publication Date
DE69024947D1 DE69024947D1 (de) 1996-02-29
DE69024947T2 true DE69024947T2 (de) 1996-08-08

Family

ID=8205012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024947T Expired - Fee Related DE69024947T2 (de) 1990-05-11 1990-05-11 Impedanz-Synthese durch vielfache Schleife, die filternde Mittel verwendet

Country Status (6)

Country Link
US (1) US5343520A (de)
EP (1) EP0455894B1 (de)
JP (1) JPH04230156A (de)
AU (1) AU641757B2 (de)
CA (1) CA2042292C (de)
DE (1) DE69024947T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0455893B1 (de) * 1990-05-11 1995-02-01 Alcatel N.V. Fernmeldeleitungsschaltung
US5515434A (en) * 1994-06-29 1996-05-07 Harris Corp Impedance setting circuit for a SLIC
US5740241A (en) * 1995-05-12 1998-04-14 Carrier Access Corporation T1 channel bank control process and apparatus
US6115466A (en) * 1998-03-12 2000-09-05 Westell Technologies, Inc. Subscriber line system having a dual-mode filter for voice communications over a telephone line
US6144735A (en) * 1998-03-12 2000-11-07 Westell Technologies, Inc. Filters for a digital subscriber line system for voice communication over a telephone line
US6628779B1 (en) 1998-05-11 2003-09-30 Telcordia Technologies, Inc. Method and system for scaleable near-end speech cancellation for tip and ring tone signal detectors
US6137880A (en) * 1999-08-27 2000-10-24 Westell Technologies, Inc. Passive splitter filter for digital subscriber line voice communication for complex impedance terminations
US6275582B1 (en) * 1999-12-17 2001-08-14 Telcordia Technologies, Inc. Differential line bridge for scaleable near-end speech cancellation for tip and ring tone signal detectors
US7660408B1 (en) * 2000-04-28 2010-02-09 3Com Corporation Attenuation and termination circuit using impedance synthesis
US6826278B2 (en) 2000-05-15 2004-11-30 Centillium Communications, Inc. Central office interface techniques for digital subscriber lines
US6850618B1 (en) 2000-05-15 2005-02-01 Centillium Communications, Inc. Central office interface techniques for digital subscriber lines
US6760433B2 (en) 2000-05-15 2004-07-06 Centillium Communications, Inc. Central office interface techniques for digital subscriber lines
EP2111529B1 (de) 2006-10-23 2015-08-26 J.A. Woollam Co. Inc. Verwendung eines Detektors mit mehreren Elementen um einen Strahl elektromagnetischer Strahlung auf das Ende einer optischen Fasers auszurichten
CN114706440B (zh) * 2022-03-31 2023-08-29 深蓝汽车科技有限公司 可调的振铃抑制电路及车辆

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8202812A (nl) * 1982-07-12 1984-02-01 Philips Nv Voedingsinrichting voor het toevoeren van gelijkstroom aan abonneecircuits.
SE433285B (sv) * 1982-09-22 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
US4539438A (en) * 1983-08-22 1985-09-03 Northern Telecom Limited Active impedance transformer assisted line feed circuit with supervision filtering
NZ209462A (en) * 1983-09-19 1988-02-29 Stc Plc Pulse generated: gated reference level replaces pulse base level
US4712233A (en) * 1985-04-22 1987-12-08 Fairchild Camera & Instrument Corp. Monolithic telephone subscriber line interface circuit
EP0201635B1 (de) * 1985-05-17 1991-12-18 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Fernmeldeleitungsschaltung
DE3686111T2 (de) * 1985-09-20 1993-01-07 Nec Corp Teilnehmerleitungsschnittstellenschaltung mit mitteln zum kombinieren von gleichstrom- und wechselstromgegenkopplungssignalen.
US4849662A (en) * 1986-04-14 1989-07-18 Crystal Semiconductor Corporation Switched-capacitor filter having digitally-programmable capacitive element
AT386307B (de) * 1986-05-23 1988-08-10 Siemens Ag Oesterreich Fernsprechteilnehmerschaltung
CA1258930A (en) * 1986-12-24 1989-08-29 Reinhard Rosch Active impedance line feed circuit
US4832617A (en) * 1988-03-31 1989-05-23 Foxx Conn International, Inc. Circuit board socket, contact and method of manufacture
US4864609A (en) * 1988-05-26 1989-09-05 Northern Telecom Limited Telephone line interface circuit
DE3884969T2 (de) * 1988-12-24 1994-03-24 Bell Telephone Mfg Mehrschleifen-impedanzsynthese mit filtern.
JPH0531829Y2 (de) * 1989-03-09 1993-08-16
JPH0828249B2 (ja) * 1989-03-18 1996-03-21 ケル株式会社 ツーピースコネクタ

Also Published As

Publication number Publication date
DE69024947D1 (de) 1996-02-29
AU7594491A (en) 1993-01-28
US5343520A (en) 1994-08-30
EP0455894B1 (de) 1996-01-17
CA2042292C (en) 1995-05-30
JPH04230156A (ja) 1992-08-19
EP0455894A1 (de) 1991-11-13
AU641757B2 (en) 1993-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee