FI974272A - Abonnentlinjekrets - Google Patents

Abonnentlinjekrets Download PDF

Info

Publication number
FI974272A
FI974272A FI974272A FI974272A FI974272A FI 974272 A FI974272 A FI 974272A FI 974272 A FI974272 A FI 974272A FI 974272 A FI974272 A FI 974272A FI 974272 A FI974272 A FI 974272A
Authority
FI
Finland
Prior art keywords
slic
Prior art date
Application number
FI974272A
Other languages
English (en)
Finnish (fi)
Other versions
FI104934B (sv
FI974272A0 (fi
Inventor
Caj Nordstroem
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI974272A priority Critical patent/FI104934B/sv
Publication of FI974272A0 publication Critical patent/FI974272A0/fi
Priority to PCT/FI1998/000900 priority patent/WO1999027703A2/en
Priority to AU12378/99A priority patent/AU1237899A/en
Publication of FI974272A publication Critical patent/FI974272A/sv
Application granted granted Critical
Publication of FI104934B publication Critical patent/FI104934B/sv

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
FI974272A 1997-11-18 1997-11-18 Abonnentlinjekrets FI104934B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI974272A FI104934B (sv) 1997-11-18 1997-11-18 Abonnentlinjekrets
PCT/FI1998/000900 WO1999027703A2 (en) 1997-11-18 1998-11-17 Subscriber line interface circuit
AU12378/99A AU1237899A (en) 1997-11-18 1998-11-17 Subscriber line interface circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974272A FI104934B (sv) 1997-11-18 1997-11-18 Abonnentlinjekrets
FI974272 1997-11-18

Publications (3)

Publication Number Publication Date
FI974272A0 FI974272A0 (fi) 1997-11-18
FI974272A true FI974272A (sv) 1999-05-19
FI104934B FI104934B (sv) 2000-04-28

Family

ID=8549974

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974272A FI104934B (sv) 1997-11-18 1997-11-18 Abonnentlinjekrets

Country Status (3)

Country Link
AU (1) AU1237899A (sv)
FI (1) FI104934B (sv)
WO (1) WO1999027703A2 (sv)

Families Citing this family (4)

* 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
DE10140357C2 (de) 2001-08-17 2003-07-24 Infineon Technologies Ag Telefonsystem mit regelbarer Klingelspannung
DE10240810B3 (de) * 2002-08-30 2004-04-08 Infineon Technologies Ag Verfahren und Schaltungsanordnung zum Steuern einer Teilnehmerleitungs-Schnittstellenschaltung
DE10240815B4 (de) 2002-08-30 2006-02-23 Infineon Technologies Ag Verfahren zum Einstellen eines Rufsignalstroms in einer Teilnehmerleitung und Schaltungsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317963A (en) * 1980-09-22 1982-03-02 International Telephone And Telegraph Corporation Subscriber line interface circuit utilizing impedance synthesizer and shared voltage source for loop current regulation control
US4431868A (en) * 1981-07-09 1984-02-14 International Telephone And Telegraph Corporation Solid state telephone line interface circuit with ringing capability
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
KR880002353A (ko) * 1986-07-08 1988-04-30 아오이 죠이찌 가입자 회로
SE503646C2 (sv) * 1994-11-10 1996-07-22 Ericsson Telefon Ab L M Automatisk omkopplingsanordning

Also Published As

Publication number Publication date
FI104934B (sv) 2000-04-28
AU1237899A (en) 1999-06-15
FI974272A0 (fi) 1997-11-18
WO1999027703A3 (en) 1999-08-26
WO1999027703A2 (en) 1999-06-03

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