FI974274A0 - Abonnentlinjekrets - Google Patents

Abonnentlinjekrets

Info

Publication number
FI974274A0
FI974274A0 FI974274A FI974274A FI974274A0 FI 974274 A0 FI974274 A0 FI 974274A0 FI 974274 A FI974274 A FI 974274A FI 974274 A FI974274 A FI 974274A FI 974274 A0 FI974274 A0 FI 974274A0
Authority
FI
Finland
Prior art keywords
abonnentlinjekrets
Prior art date
Application number
FI974274A
Other languages
English (en)
Other versions
FI104935B (fi
FI974274A (fi
Inventor
Caj Nordstroem
Harri Hurme
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 FI974274A priority Critical patent/FI104935B/fi
Publication of FI974274A0 publication Critical patent/FI974274A0/fi
Priority to EP98955607A priority patent/EP1053632B1/en
Priority to AU12379/99A priority patent/AU1237999A/en
Priority to DE69828651T priority patent/DE69828651T2/de
Priority to PCT/FI1998/000901 priority patent/WO1999027704A2/fi
Publication of FI974274A publication Critical patent/FI974274A/fi
Application granted granted Critical
Publication of FI104935B publication Critical patent/FI104935B/fi

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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FI974274A 1997-11-18 1997-11-18 Tilaajajohtoliitäntäpiiri FI104935B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI974274A FI104935B (fi) 1997-11-18 1997-11-18 Tilaajajohtoliitäntäpiiri
EP98955607A EP1053632B1 (en) 1997-11-18 1998-11-17 Subscriber line interface circuit
AU12379/99A AU1237999A (en) 1997-11-18 1998-11-17 Subscriber line interface circuit
DE69828651T DE69828651T2 (de) 1997-11-18 1998-11-17 Teilnehmeranschlussschnittstellenschaltung
PCT/FI1998/000901 WO1999027704A2 (fi) 1997-11-18 1998-11-17 Subscriber line interface circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974274 1997-11-18
FI974274A FI104935B (fi) 1997-11-18 1997-11-18 Tilaajajohtoliitäntäpiiri

Publications (3)

Publication Number Publication Date
FI974274A0 true FI974274A0 (fi) 1997-11-18
FI974274A FI974274A (fi) 1999-05-19
FI104935B FI104935B (fi) 2000-04-28

Family

ID=8549976

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974274A FI104935B (fi) 1997-11-18 1997-11-18 Tilaajajohtoliitäntäpiiri

Country Status (5)

Country Link
EP (1) EP1053632B1 (fi)
AU (1) AU1237999A (fi)
DE (1) DE69828651T2 (fi)
FI (1) FI104935B (fi)
WO (1) WO1999027704A2 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9904641L (sv) 1999-12-17 2001-06-18 Ericsson Telefon Ab L M Abonnentlinjekrets

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
FI104935B (fi) 2000-04-28
WO1999027704A3 (fi) 1999-08-26
AU1237999A (en) 1999-06-15
DE69828651T2 (de) 2006-01-12
FI974274A (fi) 1999-05-19
EP1053632B1 (en) 2005-01-12
WO1999027704A2 (fi) 1999-06-03
EP1053632A2 (en) 2000-11-22
DE69828651D1 (de) 2005-02-17

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