HK1038664A1 - 選擇電源電壓的方法和電路 - Google Patents

選擇電源電壓的方法和電路

Info

Publication number
HK1038664A1
HK1038664A1 HK02100124.7A HK02100124A HK1038664A1 HK 1038664 A1 HK1038664 A1 HK 1038664A1 HK 02100124 A HK02100124 A HK 02100124A HK 1038664 A1 HK1038664 A1 HK 1038664A1
Authority
HK
Hong Kong
Prior art keywords
arrangement
supply voltage
choosing
choosing supply
voltage
Prior art date
Application number
HK02100124.7A
Other languages
English (en)
Inventor
M‧伊斯雷爾松
A‧埃梅里克斯
C‧H‧馬爾姆格倫
H‧赫爾貝里
Original Assignee
艾利森電話股份有限公司
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 艾利森電話股份有限公司 filed Critical 艾利森電話股份有限公司
Publication of HK1038664A1 publication Critical patent/HK1038664A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • 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
    • 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)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Power Sources (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Electrical Variables (AREA)
  • Direct Current Feeding And Distribution (AREA)
HK02100124.7A 1998-06-02 2002-01-08 選擇電源電壓的方法和電路 HK1038664A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9801950A SE512170C2 (sv) 1998-06-02 1998-06-02 Förfarande och anordning för val av matningsspänning
PCT/SE1999/000871 WO1999063745A1 (en) 1998-06-02 1999-05-21 Method and arrangement for choosing supply voltage

Publications (1)

Publication Number Publication Date
HK1038664A1 true HK1038664A1 (zh) 2002-03-22

Family

ID=20411551

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02100124.7A HK1038664A1 (zh) 1998-06-02 2002-01-08 選擇電源電壓的方法和電路

Country Status (12)

Country Link
US (1) US6542605B1 (zh)
EP (1) EP1084566B1 (zh)
JP (1) JP3927770B2 (zh)
KR (1) KR20010043975A (zh)
CN (1) CN1155215C (zh)
AU (1) AU4662599A (zh)
CA (1) CA2334006A1 (zh)
DE (1) DE69933028T2 (zh)
HK (1) HK1038664A1 (zh)
SE (1) SE512170C2 (zh)
TW (1) TW393870B (zh)
WO (1) WO1999063745A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10045015B4 (de) 2000-09-12 2006-01-05 Infineon Technologies Ag Vorrichtung und Verfahren zur Regelung einer SLIC-Versorgungsspannung
US6862352B1 (en) * 2000-10-11 2005-03-01 Intersil Corporation Controlled switching mechanism for accomplishing soft polarity reversal, ring-trip filtering, and line voltage measurements in a subscriber line interface circuit using common capacitor
US20040120512A1 (en) * 2002-12-20 2004-06-24 Ploumen Franciscus Maria System and method for optimizing power dissipation in subscriber interface line circuits (SLICS)
US7164763B2 (en) * 2004-06-30 2007-01-16 Silicon Laboratories, Inc. Power offloading for a subscriber line interface circuit
US7155008B2 (en) * 2004-06-30 2006-12-26 Silicon Laboratories, Inc. Power offloading for a subscriber line interface circuit
CN100596073C (zh) * 2005-03-31 2010-03-24 华为技术有限公司 一种通信系统中的远程供电系统
CN101282390B (zh) * 2007-04-02 2013-01-02 华为技术有限公司 一种馈电方法、系统和设备
WO2012064238A1 (en) * 2010-11-09 2012-05-18 Telefonaktiebolaget L M Ericsson (Publ) Subscriber line power distribution system
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
CN105721730B (zh) * 2016-01-15 2018-11-30 烽火通信科技股份有限公司 双路语音终端设备的pots端口低功耗的实现方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1197917B (it) * 1986-10-24 1988-12-21 Sgs Microelettronica Spa Circuito di controllo per un regolatore di tensione di un circuito interfaccia attacco linea telefonica d'utente (slic)
DE4139608A1 (de) * 1991-11-30 1993-06-03 Siemens Nixdorf Inf Syst Verfahren zur versorgungsspannungseinstellung der speiseeinrichtung von teilnehmeranschlussschaltungen
SE503646C2 (sv) * 1994-11-10 1996-07-22 Ericsson Telefon Ab L M Automatisk omkopplingsanordning
GB2304254B (en) * 1995-08-04 1999-12-08 Nokia Telecommunications Oy Power supply for telecommunications devices
US5754644A (en) * 1996-06-27 1998-05-19 Lucent Technologies Inc. Method for customizing operation of a battery feed circuit in a telecommunications network
US6233335B1 (en) * 1998-05-15 2001-05-15 Intersil Corporation Battery switching subscriber loop interface circuit

Also Published As

Publication number Publication date
US6542605B1 (en) 2003-04-01
CN1155215C (zh) 2004-06-23
JP2002517958A (ja) 2002-06-18
EP1084566A1 (en) 2001-03-21
SE9801950D0 (sv) 1998-06-02
JP3927770B2 (ja) 2007-06-13
SE512170C2 (sv) 2000-02-07
CN1303564A (zh) 2001-07-11
AU4662599A (en) 1999-12-20
EP1084566B1 (en) 2006-08-30
TW393870B (en) 2000-06-11
DE69933028D1 (de) 2006-10-12
SE9801950L (sv) 1999-12-03
WO1999063745A1 (en) 1999-12-09
CA2334006A1 (en) 1999-12-09
DE69933028T2 (de) 2007-03-01
KR20010043975A (ko) 2001-05-25

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