AU1237899A - Subscriber line interface circuit - Google Patents

Subscriber line interface circuit

Info

Publication number
AU1237899A
AU1237899A AU12378/99A AU1237899A AU1237899A AU 1237899 A AU1237899 A AU 1237899A AU 12378/99 A AU12378/99 A AU 12378/99A AU 1237899 A AU1237899 A AU 1237899A AU 1237899 A AU1237899 A AU 1237899A
Authority
AU
Australia
Prior art keywords
interface circuit
subscriber line
line interface
subscriber
circuit
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.)
Abandoned
Application number
AU12378/99A
Inventor
Caj Nordstrom
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.)
Nokia Oyj
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
Publication of AU1237899A publication Critical patent/AU1237899A/en
Abandoned 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
    • 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)
AU12378/99A 1997-11-18 1998-11-17 Subscriber line interface circuit Abandoned AU1237899A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI974272A FI104934B (en) 1997-11-18 1997-11-18 A subscriber line interface circuit
FI974272 1997-11-18
PCT/FI1998/000900 WO1999027703A2 (en) 1997-11-18 1998-11-17 Subscriber line interface circuit

Publications (1)

Publication Number Publication Date
AU1237899A true AU1237899A (en) 1999-06-15

Family

ID=8549974

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12378/99A Abandoned AU1237899A (en) 1997-11-18 1998-11-17 Subscriber line interface circuit

Country Status (3)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0002350L (en) * 2000-06-21 2001-12-22 Ericsson Telefon Ab L M A method of generating a ring signal in a subscriber line circuit
DE10140357C2 (en) 2001-08-17 2003-07-24 Infineon Technologies Ag Telephone system with adjustable bell voltage
DE10240810B3 (en) * 2002-08-30 2004-04-08 Infineon Technologies Ag Method and circuit arrangement for controlling a subscriber line interface circuit
DE10240815B4 (en) 2002-08-30 2006-02-23 Infineon Technologies Ag Method for setting a call signal stream in a subscriber line and circuit arrangement

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 (en) * 1986-06-27 1988-02-15 Ericsson Telefon Ab L M SET AND DEVICE TO POWER A TELEPHONE LINE TO PUT A LIMITED BATTERY SIGNAL WITH LIMITED BATTERY VOLTAGE
KR880002353A (en) * 1986-07-08 1988-04-30 아오이 죠이찌 Subscriber circuit
SE503646C2 (en) * 1994-11-10 1996-07-22 Ericsson Telefon Ab L M Automatic switching device

Also Published As

Publication number Publication date
FI104934B (en) 2000-04-28
FI974272A0 (en) 1997-11-18
FI974272A (en) 1999-05-19
WO1999027703A3 (en) 1999-08-26
WO1999027703A2 (en) 1999-06-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase