CN101282390B - 一种馈电方法、系统和设备 - Google Patents

一种馈电方法、系统和设备 Download PDF

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Publication number
CN101282390B
CN101282390B CN 200710073920 CN200710073920A CN101282390B CN 101282390 B CN101282390 B CN 101282390B CN 200710073920 CN200710073920 CN 200710073920 CN 200710073920 A CN200710073920 A CN 200710073920A CN 101282390 B CN101282390 B CN 101282390B
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CN
China
Prior art keywords
voltage
information
local loop
loop
feed
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
CN 200710073920
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English (en)
Chinese (zh)
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CN101282390A (zh
Inventor
柯建伟
高兴国
谢勇明
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.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN 200710073920 priority Critical patent/CN101282390B/zh
Priority to PCT/CN2008/070658 priority patent/WO2008119303A1/zh
Priority to CA002666189A priority patent/CA2666189A1/en
Priority to DE112008000066T priority patent/DE112008000066B4/de
Publication of CN101282390A publication Critical patent/CN101282390A/zh
Application granted granted Critical
Publication of CN101282390B publication Critical patent/CN101282390B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
CN 200710073920 2007-04-02 2007-04-02 一种馈电方法、系统和设备 Expired - Fee Related CN101282390B (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN 200710073920 CN101282390B (zh) 2007-04-02 2007-04-02 一种馈电方法、系统和设备
PCT/CN2008/070658 WO2008119303A1 (fr) 2007-04-02 2008-04-01 Procédé, système et dispositif d'alimentation
CA002666189A CA2666189A1 (en) 2007-04-02 2008-04-01 Feeding method, system and device
DE112008000066T DE112008000066B4 (de) 2007-04-02 2008-04-01 Zufuhrverfahren, -system und -vorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200710073920 CN101282390B (zh) 2007-04-02 2007-04-02 一种馈电方法、系统和设备

Publications (2)

Publication Number Publication Date
CN101282390A CN101282390A (zh) 2008-10-08
CN101282390B true CN101282390B (zh) 2013-01-02

Family

ID=39807823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200710073920 Expired - Fee Related CN101282390B (zh) 2007-04-02 2007-04-02 一种馈电方法、系统和设备

Country Status (4)

Country Link
CN (1) CN101282390B (de)
CA (1) CA2666189A1 (de)
DE (1) DE112008000066B4 (de)
WO (1) WO2008119303A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895640B (zh) * 2010-07-23 2015-06-03 中兴通讯股份有限公司 一种用户接口电路节能的方法及系统
WO2015100659A1 (zh) * 2013-12-31 2015-07-09 华为终端有限公司 一种话机上承载电压的调节方法、装置及系统
CN105282350B (zh) * 2013-12-31 2019-05-07 华为终端有限公司 一种供电电路及电话系统
CN105812590B (zh) * 2016-05-11 2018-10-12 福建星网智慧科技股份有限公司 一种用于用户线路长短线馈电的切换方法
CN109218543A (zh) * 2017-06-30 2019-01-15 深圳市中兴微电子技术有限公司 一种用于固定电话省电控制的方法、装置和固定电话

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1658646A (zh) * 2004-02-18 2005-08-24 华为技术有限公司 通信设备中降低用户接口电路功耗的系统及其方法
CN1794738A (zh) * 2005-11-09 2006-06-28 杭州华为三康技术有限公司 馈电电路、提供不同馈电电压的方法以及前端馈电装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06141355A (ja) * 1992-10-27 1994-05-20 Nippon Telegr & Teleph Corp <Ntt> 加入者回路
JPH0795327A (ja) * 1993-09-24 1995-04-07 Nippon Telegr & Teleph Corp <Ntt> 加入者回路
GB2304254B (en) * 1995-08-04 1999-12-08 Nokia Telecommunications Oy Power supply for telecommunications devices
SE512170C2 (sv) * 1998-06-02 2000-02-07 Ericsson Telefon Ab L M Förfarande och anordning för val av matningsspänning
US20040120512A1 (en) * 2002-12-20 2004-06-24 Ploumen Franciscus Maria System and method for optimizing power dissipation in subscriber interface line circuits (SLICS)

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1658646A (zh) * 2004-02-18 2005-08-24 华为技术有限公司 通信设备中降低用户接口电路功耗的系统及其方法
CN1794738A (zh) * 2005-11-09 2006-06-28 杭州华为三康技术有限公司 馈电电路、提供不同馈电电压的方法以及前端馈电装置

Also Published As

Publication number Publication date
WO2008119303A1 (fr) 2008-10-09
DE112008000066B4 (de) 2012-11-15
CA2666189A1 (en) 2008-10-09
CN101282390A (zh) 2008-10-08
DE112008000066T5 (de) 2009-09-24

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