SE519189C2 - Anordning för att skydda en abonnentlinjekrets från överspänningar - Google Patents

Anordning för att skydda en abonnentlinjekrets från överspänningar

Info

Publication number
SE519189C2
SE519189C2 SE9402277A SE9402277A SE519189C2 SE 519189 C2 SE519189 C2 SE 519189C2 SE 9402277 A SE9402277 A SE 9402277A SE 9402277 A SE9402277 A SE 9402277A SE 519189 C2 SE519189 C2 SE 519189C2
Authority
SE
Sweden
Prior art keywords
supply voltage
subscriber line
voltage source
thyristor
cathode
Prior art date
Application number
SE9402277A
Other languages
English (en)
Swedish (sv)
Other versions
SE9402277L (sv
SE9402277D0 (sv
Inventor
Hans Oskar Eriksson
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 SE9402277A priority Critical patent/SE519189C2/sv
Publication of SE9402277D0 publication Critical patent/SE9402277D0/xx
Priority to EP95924566A priority patent/EP0715791B1/de
Priority to PCT/SE1995/000800 priority patent/WO1996001015A1/en
Priority to JP50307396A priority patent/JP3439218B2/ja
Priority to AT95924566T priority patent/ATE248480T1/de
Priority to CN95190574A priority patent/CN1130007A/zh
Priority to CA002169640A priority patent/CA2169640A1/en
Priority to DE69531592T priority patent/DE69531592T2/de
Priority to KR1019960700876A priority patent/KR960704422A/ko
Priority to US08/602,838 priority patent/US5668866A/en
Publication of SE9402277L publication Critical patent/SE9402277L/
Publication of SE519189C2 publication Critical patent/SE519189C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Interface Circuits In Exchanges (AREA)
SE9402277A 1994-06-28 1994-06-28 Anordning för att skydda en abonnentlinjekrets från överspänningar SE519189C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9402277A SE519189C2 (sv) 1994-06-28 1994-06-28 Anordning för att skydda en abonnentlinjekrets från överspänningar
US08/602,838 US5668866A (en) 1994-06-28 1995-06-28 Apparatus for protecting a subscriber line interface circuit against overvoltages
AT95924566T ATE248480T1 (de) 1994-06-28 1995-06-28 Vorrichtung zum schutze einer teilnehmerleitungsschnittstelle gegen überspannungen
PCT/SE1995/000800 WO1996001015A1 (en) 1994-06-28 1995-06-28 An apparatus for protecting a subscriber line interface circuit against overvoltages
JP50307396A JP3439218B2 (ja) 1994-06-28 1995-06-28 加入者線インタフェース回路の過電圧保護装置
EP95924566A EP0715791B1 (de) 1994-06-28 1995-06-28 Vorrichtung zum schutze einer teilnehmerleitungsschnittstelle gegen überspannungen
CN95190574A CN1130007A (zh) 1994-06-28 1995-06-28 用户线接口电路的过电压保护设备
CA002169640A CA2169640A1 (en) 1994-06-28 1995-06-28 An apparatus for protecting a subscriber line interface circuit against overvoltages
DE69531592T DE69531592T2 (de) 1994-06-28 1995-06-28 Vorrichtung zum schutze einer teilnehmerleitungsschnittstelle gegen überspannungen
KR1019960700876A KR960704422A (ko) 1994-06-28 1995-06-28 가입자 라인 인터페이스 회로를 과전압으로부터 보호하는 장치(an apparatus for protecting a subscriber line interface circuit against overvoltages)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402277A SE519189C2 (sv) 1994-06-28 1994-06-28 Anordning för att skydda en abonnentlinjekrets från överspänningar

Publications (3)

Publication Number Publication Date
SE9402277D0 SE9402277D0 (sv) 1994-06-28
SE9402277L SE9402277L (sv) 1995-12-29
SE519189C2 true SE519189C2 (sv) 2003-01-28

Family

ID=20394549

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402277A SE519189C2 (sv) 1994-06-28 1994-06-28 Anordning för att skydda en abonnentlinjekrets från överspänningar

Country Status (10)

Country Link
US (1) US5668866A (de)
EP (1) EP0715791B1 (de)
JP (1) JP3439218B2 (de)
KR (1) KR960704422A (de)
CN (1) CN1130007A (de)
AT (1) ATE248480T1 (de)
CA (1) CA2169640A1 (de)
DE (1) DE69531592T2 (de)
SE (1) SE519189C2 (de)
WO (1) WO1996001015A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5809109A (en) * 1995-06-01 1998-09-15 Advanced Micro Devices, Inc. Integrated ring sensor with fault detection
US6160887A (en) * 1997-05-02 2000-12-12 Goodrich; Patrick Telephone loop-current regulator
SE514936C2 (sv) * 1999-09-03 2001-05-21 Ericsson Telefon Ab L M Förfarande och anordning för att förkorta en linjedrivares återhämtningstid
US7080328B1 (en) * 2001-03-28 2006-07-18 Ebay, Inc. Graphical user interface for filtering a population of items
DE10241354A1 (de) * 2002-09-06 2004-03-18 Xignal Technologies Ag Integrierte Schaltung mit Überspannungsschutz

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7614118A (nl) * 1976-12-20 1978-06-22 Philips Nv Schakeling voor het beschermen van telefoon- lijnen.
SE426002B (sv) * 1980-12-23 1982-11-29 Ellemtel Utvecklings Ab Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar
US4377832A (en) * 1981-01-09 1983-03-22 Motorola, Inc. Voltage transient suppressor circuit
US4661979A (en) * 1985-09-24 1987-04-28 Northern Telecom Limited Fault protection for integrated subscriber line interface circuits
AR240631A1 (es) * 1986-06-06 1990-06-30 Siemens Ag Disposicion de circuito para proteger circuitos electronicos de interfase de circuitos de conexion de abonado de una red telefonica tiempo-multiplex digital
SE459138B (sv) * 1987-10-08 1989-06-05 Ericsson Telefon Ab L M Anordning i ett telekommunikationssystem vid inkoppling och urkoppling av en ringsignal

Also Published As

Publication number Publication date
JPH09502600A (ja) 1997-03-11
US5668866A (en) 1997-09-16
WO1996001015A1 (en) 1996-01-11
CA2169640A1 (en) 1996-01-11
DE69531592D1 (de) 2003-10-02
SE9402277L (sv) 1995-12-29
EP0715791A1 (de) 1996-06-12
SE9402277D0 (sv) 1994-06-28
CN1130007A (zh) 1996-08-28
ATE248480T1 (de) 2003-09-15
JP3439218B2 (ja) 2003-08-25
EP0715791B1 (de) 2003-08-27
KR960704422A (ko) 1996-08-31
DE69531592T2 (de) 2004-06-17

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Legal Events

Date Code Title Description
NUG Patent has lapsed
NUG Patent has lapsed