DE69533038D1 - Versorgungsspannungsschaltgerät - Google Patents

Versorgungsspannungsschaltgerät

Info

Publication number
DE69533038D1
DE69533038D1 DE69533038T DE69533038T DE69533038D1 DE 69533038 D1 DE69533038 D1 DE 69533038D1 DE 69533038 T DE69533038 T DE 69533038T DE 69533038 T DE69533038 T DE 69533038T DE 69533038 D1 DE69533038 D1 DE 69533038D1
Authority
DE
Germany
Prior art keywords
supply voltage
voltage switchgear
switchgear
supply
voltage
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
DE69533038T
Other languages
English (en)
Other versions
DE69533038T2 (de
Inventor
Carl-Henrik Malmgren
Oskar Eriksson
Helmer Hellberg
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Application granted granted Critical
Publication of DE69533038D1 publication Critical patent/DE69533038D1/de
Publication of DE69533038T2 publication Critical patent/DE69533038T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
DE69533038T 1994-11-10 1995-11-08 Versorgungsspannungsschaltgerät Expired - Fee Related DE69533038T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9403876A SE503646C2 (sv) 1994-11-10 1994-11-10 Automatisk omkopplingsanordning
SE9403876 1994-11-10
PCT/SE1995/001323 WO1996015617A1 (en) 1994-11-10 1995-11-08 Supply voltage switching apparatus

Publications (2)

Publication Number Publication Date
DE69533038D1 true DE69533038D1 (de) 2004-06-17
DE69533038T2 DE69533038T2 (de) 2004-09-30

Family

ID=20395928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533038T Expired - Fee Related DE69533038T2 (de) 1994-11-10 1995-11-08 Versorgungsspannungsschaltgerät

Country Status (11)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104935B (fi) * 1997-11-18 2000-04-28 Nokia Networks Oy Tilaajajohtoliitäntäpiiri
FI104933B (fi) * 1997-11-18 2000-04-28 Nokia Networks Oy Tilaajajohtoliitäntäpiiri
FI974271A (fi) * 1997-11-18 1999-05-19 Nokia Telecommunications Oy Tilaajajohtoliitäntäpiiri
FI104934B (fi) * 1997-11-18 2000-04-28 Nokia Networks Oy Tilaajajohtoliitäntäpiiri
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
TW432824B (en) * 1999-10-04 2001-05-01 Ericsson Telefon Ab L M An arrangement in a subscriber line interface circuit
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
CN104718739B (zh) * 2013-12-31 2018-09-07 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 (de) * 1993-06-28 1997-09-17 STMicroelectronics S.r.l. Sicherungsschaltungen für aus nicht-flüchtigen Speichem bestehenden Anordnungen

Also Published As

Publication number Publication date
HK1003532A1 (en) 1998-10-30
DE69533038T2 (de) 2004-09-30
FI971889A (fi) 1997-05-02
SE9403876L (sv) 1996-05-11
JPH10508994A (ja) 1998-09-02
FI971889A0 (fi) 1997-05-02
JP3742105B2 (ja) 2006-02-01
US5801520A (en) 1998-09-01
KR100391886B1 (ko) 2004-02-05
FI111498B (fi) 2003-07-31
CN1083204C (zh) 2002-04-17
EP0791264B1 (de) 2004-05-12
WO1996015617A1 (en) 1996-05-23
EP0791264A1 (de) 1997-08-27
SE9403876D0 (sv) 1994-11-10
SE503646C2 (sv) 1996-07-22
AU3942895A (en) 1996-06-06
CN1165603A (zh) 1997-11-19

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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