ATE510404T1 - Schaltnetzteil-stromversorgungsverfahren für telefon-teilnehmerleitungen - Google Patents

Schaltnetzteil-stromversorgungsverfahren für telefon-teilnehmerleitungen

Info

Publication number
ATE510404T1
ATE510404T1 AT01000734T AT01000734T ATE510404T1 AT E510404 T1 ATE510404 T1 AT E510404T1 AT 01000734 T AT01000734 T AT 01000734T AT 01000734 T AT01000734 T AT 01000734T AT E510404 T1 ATE510404 T1 AT E510404T1
Authority
AT
Austria
Prior art keywords
telephone
power supply
switching power
supply method
constant
Prior art date
Application number
AT01000734T
Other languages
English (en)
Inventor
Ravindra Karnad
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of ATE510404T1 publication Critical patent/ATE510404T1/de

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)
  • Dc-Dc Converters (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
AT01000734T 2000-12-11 2001-12-10 Schaltnetzteil-stromversorgungsverfahren für telefon-teilnehmerleitungen ATE510404T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25477900P 2000-12-11 2000-12-11

Publications (1)

Publication Number Publication Date
ATE510404T1 true ATE510404T1 (de) 2011-06-15

Family

ID=22965557

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01000734T ATE510404T1 (de) 2000-12-11 2001-12-10 Schaltnetzteil-stromversorgungsverfahren für telefon-teilnehmerleitungen

Country Status (4)

Country Link
US (1) US20020110236A1 (de)
EP (1) EP1213907B1 (de)
JP (1) JP4088067B2 (de)
AT (1) ATE510404T1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6690677B1 (en) * 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
IL154234A (en) 2003-01-30 2010-12-30 Mosaid Technologies Inc Method and system for providing dc power on local telephone lines
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
JP2011171834A (ja) * 2010-02-16 2011-09-01 Panasonic Electric Works Co Ltd 通信システムおよび電子チョーク回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071461B (en) * 1980-02-14 1984-01-25 Standard Telephones Cables Ltd Telephone line feed
DE3171608D1 (en) * 1981-10-28 1985-09-05 Ibm Line circuit containing impedance adaptation means
US4674119A (en) * 1984-04-10 1987-06-16 Itt Corporation Wide-band high voltage amplifier for telephone exchange subscriber line interface utilizing low voltage control circuitry
EP0450884B1 (de) * 1990-04-04 1996-06-12 Seiscor Technologies, Inc. Schnittstellenschaltung für Teilnehmerleitung, die regulierten Strom liefert
JPH0851651A (ja) * 1994-06-24 1996-02-20 Harris Corp 加入者線インタフェース回路及びインピーダンス整合方法並びにハイブリッド間エコーキャンセレーション方法
US6728370B1 (en) * 1999-03-15 2004-04-27 Legerity, Inc. Method and apparatus for impedance matching
US6668060B1 (en) * 1999-10-26 2003-12-23 Adtran, Inc. Tracking switchmode power converter for telephony interface circuit

Also Published As

Publication number Publication date
US20020110236A1 (en) 2002-08-15
JP4088067B2 (ja) 2008-05-21
JP2002218512A (ja) 2002-08-02
EP1213907A2 (de) 2002-06-12
EP1213907B1 (de) 2011-05-18
EP1213907A3 (de) 2004-12-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties