SE9403876L - Automatisk omkopplingsanordning - Google Patents

Automatisk omkopplingsanordning

Info

Publication number
SE9403876L
SE9403876L SE9403876A SE9403876A SE9403876L SE 9403876 L SE9403876 L SE 9403876L SE 9403876 A SE9403876 A SE 9403876A SE 9403876 A SE9403876 A SE 9403876A SE 9403876 L SE9403876 L SE 9403876L
Authority
SE
Sweden
Prior art keywords
voltage
absolute value
load
pct
output
Prior art date
Application number
SE9403876A
Other languages
Unknown language ( )
English (en)
Other versions
SE503646C2 (sv
SE9403876D0 (sv
Inventor
Carl-Henrik Malmgren
Hans Oskar Eriksson
Henrik Helmer Hellberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9403876A priority Critical patent/SE503646C2/sv
Publication of SE9403876D0 publication Critical patent/SE9403876D0/sv
Priority to JP51597796A priority patent/JP3742105B2/ja
Priority to EP95937271A priority patent/EP0791264B1/en
Priority to PCT/SE1995/001323 priority patent/WO1996015617A1/en
Priority to CN95196151A priority patent/CN1083204C/zh
Priority to CA 2204721 priority patent/CA2204721A1/en
Priority to AU39428/95A priority patent/AU3942895A/en
Priority to KR1019970703079A priority patent/KR100391886B1/ko
Priority to US08/836,225 priority patent/US5801520A/en
Priority to DE69533038T priority patent/DE69533038T2/de
Publication of SE9403876L publication Critical patent/SE9403876L/sv
Publication of SE503646C2 publication Critical patent/SE503646C2/sv
Priority to FI971889A priority patent/FI111498B/sv
Priority to HK98102457A priority patent/HK1003532A1/xx

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
SE9403876A 1994-11-10 1994-11-10 Automatisk omkopplingsanordning SE503646C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9403876A SE503646C2 (sv) 1994-11-10 1994-11-10 Automatisk omkopplingsanordning
DE69533038T DE69533038T2 (de) 1994-11-10 1995-11-08 Versorgungsspannungsschaltgerät
AU39428/95A AU3942895A (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus
EP95937271A EP0791264B1 (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus
PCT/SE1995/001323 WO1996015617A1 (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus
CN95196151A CN1083204C (zh) 1994-11-10 1995-11-08 供给电压切换设备
CA 2204721 CA2204721A1 (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus
JP51597796A JP3742105B2 (ja) 1994-11-10 1995-11-08 電源電圧スイッチング装置
KR1019970703079A KR100391886B1 (ko) 1994-11-10 1995-11-08 공급전압스위칭장치
US08/836,225 US5801520A (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus
FI971889A FI111498B (sv) 1994-11-10 1997-05-02 Omkopplingsanordning för matarspänning
HK98102457A HK1003532A1 (en) 1994-11-10 1998-03-23 Supply voltage switching apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403876A SE503646C2 (sv) 1994-11-10 1994-11-10 Automatisk omkopplingsanordning

Publications (3)

Publication Number Publication Date
SE9403876D0 SE9403876D0 (sv) 1994-11-10
SE9403876L true SE9403876L (sv) 1996-05-11
SE503646C2 SE503646C2 (sv) 1996-07-22

Family

ID=20395928

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403876A SE503646C2 (sv) 1994-11-10 1994-11-10 Automatisk omkopplingsanordning

Country Status (11)

Country Link
US (1) US5801520A (sv)
EP (1) EP0791264B1 (sv)
JP (1) JP3742105B2 (sv)
KR (1) KR100391886B1 (sv)
CN (1) CN1083204C (sv)
AU (1) AU3942895A (sv)
DE (1) DE69533038T2 (sv)
FI (1) FI111498B (sv)
HK (1) HK1003532A1 (sv)
SE (1) SE503646C2 (sv)
WO (1) WO1996015617A1 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104934B (sv) * 1997-11-18 2000-04-28 Nokia Networks Oy Abonnentlinjekrets
FI104933B (sv) * 1997-11-18 2000-04-28 Nokia Networks Oy Abonnentlinjekrets
FI104935B (sv) * 1997-11-18 2000-04-28 Nokia Networks Oy Abonnentlinjekrets
FI974271A (sv) * 1997-11-18 1999-05-19 Nokia Telecommunications Oy Abonnentlinjekrets
US6233335B1 (en) * 1998-05-15 2001-05-15 Intersil Corporation Battery switching subscriber loop interface circuit
SE512170C2 (sv) 1998-06-02 2000-02-07 Ericsson Telefon Ab L M Förfarande och anordning för val av matningsspänning
SE514853C2 (sv) * 1999-10-04 2001-05-07 Ericsson Telefon Ab L M Anordning i en abonnentlinjekrets
US6525613B2 (en) * 2001-05-25 2003-02-25 Infineon Technologies Ag Efficient current feedback buffer
US20040120512A1 (en) * 2002-12-20 2004-06-24 Ploumen Franciscus Maria System and method for optimizing power dissipation in subscriber interface line circuits (SLICS)
US9711963B2 (en) * 2010-11-09 2017-07-18 Telefonaktiebolaget L M Ericsson (Publ) Subscriber line power distribution system
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889173A (en) * 1973-12-07 1975-06-10 Texas Instruments Inc Switching regulator power supply
US4617473A (en) * 1984-01-03 1986-10-14 Intersil, Inc. CMOS backup power switching circuit
US4694430A (en) * 1985-03-21 1987-09-15 Sprague Electric Company Logic controlled switch to alternate voltage sources
SE465547B (sv) * 1990-02-01 1991-09-23 Ericsson Telefon Ab L M Saett och krets foer likstroemsmatning till en telefonlinje
US5389833A (en) * 1992-08-27 1995-02-14 Texas Instruments Incorporated Analog multiplexer
US5369472A (en) * 1992-12-04 1994-11-29 Xerox Corporation Microprocessor controlled high voltage power supply
EP0631284B1 (en) * 1993-06-28 1997-09-17 STMicroelectronics S.r.l. Protection circuit for devices comprising nonvolatile memories

Also Published As

Publication number Publication date
FI111498B (sv) 2003-07-31
CN1083204C (zh) 2002-04-17
JP3742105B2 (ja) 2006-02-01
FI971889A (sv) 1997-05-02
CN1165603A (zh) 1997-11-19
KR100391886B1 (ko) 2004-02-05
JPH10508994A (ja) 1998-09-02
AU3942895A (en) 1996-06-06
EP0791264B1 (en) 2004-05-12
DE69533038T2 (de) 2004-09-30
EP0791264A1 (en) 1997-08-27
WO1996015617A1 (en) 1996-05-23
HK1003532A1 (en) 1998-10-30
SE503646C2 (sv) 1996-07-22
US5801520A (en) 1998-09-01
DE69533038D1 (de) 2004-06-17
FI971889A0 (sv) 1997-05-02
SE9403876D0 (sv) 1994-11-10

Similar Documents

Publication Publication Date Title
SE9403876L (sv) Automatisk omkopplingsanordning
EP0694826A3 (en) Switching regulator and control method
DE69733789D1 (de) Hochauflösendes Stromversorgungsprüfsystem
CA2246998A1 (en) Method of and device for automatically regulating three-phase voltage for power saving transformer
JPH03503236A (ja) 複数の直流電圧源を有する直流電圧供給システム
MY102944A (en) Electrical power source
DE69034065D1 (de) Schaltungsanordnungen
EP0076599A2 (en) Power unit
US3319074A (en) Power supply circuit
SU1104488A1 (ru) Стабилизатор напр жени посто нного тока
GB1046446A (en) Improvements in or relating to electric regulation systems
JPS5790726A (en) Power supply circuit
SU594490A1 (ru) Стабилизатор напр жени переменного тока
SU954974A1 (ru) Стабилизатор посто нного напр жени
SU900270A1 (ru) Стабилизатор переменного напр жени
JPH08137561A (ja) 電源電圧制御装置
SU741246A1 (ru) Стабилизатор посто нного напр жени
SU1291951A1 (ru) Стабилизированный источник питани
SU1746442A2 (ru) Устройство дл разр да аккумул торных батарей
SU1183951A1 (ru) Регулируемый источник питани с резервированием
SU881714A1 (ru) Стабилизированный источник посто нного напр жени
JPS57194646A (en) Electric power supplying circuit of optical repeater
GB2013426A (en) An interposing relay for a control system including an A-C actuated load and switching means therefor
JPH0829495A (ja) 電源の給電回路
GB1187840A (en) Rectified Stabilised Power Supply.

Legal Events

Date Code Title Description
NUG Patent has lapsed