TW356633B - A method in a subscriber line interface circuit as well as a subscriber line interface circuit the invention relates to a subscriber line interface circuit connected to a two-wire telephone line - Google Patents

A method in a subscriber line interface circuit as well as a subscriber line interface circuit the invention relates to a subscriber line interface circuit connected to a two-wire telephone line

Info

Publication number
TW356633B
TW356633B TW086109180A TW86109180A TW356633B TW 356633 B TW356633 B TW 356633B TW 086109180 A TW086109180 A TW 086109180A TW 86109180 A TW86109180 A TW 86109180A TW 356633 B TW356633 B TW 356633B
Authority
TW
Taiwan
Prior art keywords
voltage
interface circuit
subscriber line
line interface
well
Prior art date
Application number
TW086109180A
Other languages
English (en)
Inventor
Anders Emericks
Henrik Hellberg
Mattas Israelsson
Carl-Henrik Malmgren
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
Application granted granted Critical
Publication of TW356633B publication Critical patent/TW356633B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • 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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
TW086109180A 1997-06-06 1997-06-30 A method in a subscriber line interface circuit as well as a subscriber line interface circuit the invention relates to a subscriber line interface circuit connected to a two-wire telephone line TW356633B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702174A SE509626C2 (sv) 1997-06-06 1997-06-06 Förfarande för att reglera signalutrymmet i en abonnentlinjekrets jämte abonnentlinjekrets

Publications (1)

Publication Number Publication Date
TW356633B true TW356633B (en) 1999-04-21

Family

ID=20407286

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086109180A TW356633B (en) 1997-06-06 1997-06-30 A method in a subscriber line interface circuit as well as a subscriber line interface circuit the invention relates to a subscriber line interface circuit connected to a two-wire telephone line

Country Status (11)

Country Link
US (1) US6119090A (zh)
EP (1) EP0986891B1 (zh)
JP (1) JP2002503418A (zh)
KR (1) KR100615133B1 (zh)
CN (1) CN1179540C (zh)
AU (1) AU8044698A (zh)
CA (1) CA2293494A1 (zh)
DE (1) DE69835152T2 (zh)
SE (1) SE509626C2 (zh)
TW (1) TW356633B (zh)
WO (1) WO1998056162A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0002350L (sv) * 2000-06-21 2001-12-22 Ericsson Telefon Ab L M En metod att generera en ringsignal i en abonnentlinjekrets
US8253416B2 (en) * 2009-03-10 2012-08-28 Time Medical Holdings Company Limited Superconductor magnetic resonance imaging system and method (super-MRI)
US8363822B2 (en) * 2009-08-07 2013-01-29 Microsemi Semiconductor (U.S.) Inc. Method and apparatus for battery switching during ringing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002852A (en) * 1975-07-08 1977-01-11 International Telephone And Telegraph Corporation Electronic telephone network
SE453626B (sv) * 1986-06-27 1988-02-15 Ericsson Telefon Ab L M Sett och anordning att strommata en telefonlinje for att vid begrensad batterispenning kunna overfora en odistorderad talsignal
DE69016648T2 (de) * 1990-05-11 1995-07-06 Alcatel Nv Fernmeldeleitungsschaltung.
US5511118A (en) * 1991-01-31 1996-04-23 Northern Telecom Limited Method of providing d.c. feed to a telephone line
DE4221567C2 (de) * 1992-07-01 1995-07-06 Siemens Ag Leitungsabschluß einer Telefonleitung
US5694465A (en) * 1995-03-16 1997-12-02 Advanced Micro Devices, Inc. Integrated ringer for short telephone lines
US5848149A (en) * 1995-05-26 1998-12-08 Lucent Technologies Inc. Subscriber line interface and power circuit
KR970031688A (ko) * 1995-11-04 1997-06-26 김광호 가입자 라인 인터페이스 회로
US5872842A (en) * 1996-12-27 1999-02-16 Scientific-Atlanta, Inc. Unbalanced ringing using a balanced ringing generator of a subscriber line interface circuit

Also Published As

Publication number Publication date
SE9702174L (sv) 1998-12-07
EP0986891B1 (en) 2006-07-05
JP2002503418A (ja) 2002-01-29
CA2293494A1 (en) 1998-12-10
DE69835152D1 (de) 2006-08-17
WO1998056162A1 (en) 1998-12-10
KR100615133B1 (ko) 2006-08-22
CN1179540C (zh) 2004-12-08
CN1259259A (zh) 2000-07-05
DE69835152T2 (de) 2007-05-31
AU8044698A (en) 1998-12-21
EP0986891A1 (en) 2000-03-22
KR20010013386A (ko) 2001-02-26
US6119090A (en) 2000-09-12
SE9702174D0 (sv) 1997-06-06
SE509626C2 (sv) 1999-02-15

Similar Documents

Publication Publication Date Title
FR2400280A1 (fr) Circuit de conversion electronique 4 fils-2 fils pour reseaux de telecommunications
DE69213405D1 (de) Klemme zum Anschluss von Drähten
GB9026529D0 (en) An electrical wire connector and an electrical terminal therefor
TW356633B (en) A method in a subscriber line interface circuit as well as a subscriber line interface circuit the invention relates to a subscriber line interface circuit connected to a two-wire telephone line
DE3476727D1 (en) Circuit arrangement for the drainage of overvoltages
AU1458588A (en) A telephone
TW364090B (en) Failsafe interface circuit
ES8609862A1 (es) Perfeccionamientos en un circuito interfase de conexion de un equipo numerico
CA2076976A1 (en) Private telephone system with simplified command feature
BG101787A (en) Aprotinine options having improved properties
EP0901264A3 (en) Telecommunications line termination test
CA2016258A1 (en) Telephone line interface circuit
ZA944714B (en) Wire connecting terminal arrangement
TW346725B (en) High voltage detection circuit, bell signal detection circuit and no ringing call reception detection circuit
DE3270893D1 (en) Integrated circuit microprocessor-controlled telephone two wire/four wire transmission circuit, and line current safeguard powering
TW255085B (zh)
ATA83093A (de) Schraubenlose elektrische anschluss- oder verbindungsklemme
FI891657A0 (fi) Kontaktin antava puristuselin sähkölaitteiden johtojen yhdistämiseksi
ATE318480T1 (de) Teilnehmerleitungsschnittstellenschaltung
CA2067535A1 (en) Current limited subscriber interface circuit
SE0102157D0 (sv) A subscriber line interface circuit
ATA249288A (de) Elektrische anschluss- oder verbindungsklemme
FR2694663B1 (fr) Connecteur pour liaison, dérivation et raccords des fils ou câbles conducteurs d'électricité.
ES8601594A1 (es) Dispositivo de alimentacion de alta impedancia para circuito electronico alimentado por una linea telefonica
TH9525EX (th) วงจรยกเลิกและระบบสั่งจ่ายไฟฟ้า