AU1318795A - Interface circuit - Google Patents

Interface circuit

Info

Publication number
AU1318795A
AU1318795A AU13187/95A AU1318795A AU1318795A AU 1318795 A AU1318795 A AU 1318795A AU 13187/95 A AU13187/95 A AU 13187/95A AU 1318795 A AU1318795 A AU 1318795A AU 1318795 A AU1318795 A AU 1318795A
Authority
AU
Australia
Prior art keywords
interface circuit
interface
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
AU13187/95A
Inventor
Harri Hurme
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 AU1318795A publication Critical patent/AU1318795A/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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits
AU13187/95A 1993-12-27 1994-12-23 Interface circuit Abandoned AU1318795A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI935873 1993-12-27
FI935873A FI935873A (en) 1993-12-27 1993-12-27 Procedure further feeds data communication signals to a telephone exchange's analog connection, as well as a connection circuit
PCT/FI1994/000582 WO1995019083A2 (en) 1993-12-27 1994-12-23 Interface circuit

Publications (1)

Publication Number Publication Date
AU1318795A true AU1318795A (en) 1995-08-01

Family

ID=8539188

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13187/95A Abandoned AU1318795A (en) 1993-12-27 1994-12-23 Interface circuit

Country Status (3)

Country Link
AU (1) AU1318795A (en)
FI (1) FI935873A (en)
WO (1) WO1995019083A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214130A (en) * 1978-03-10 1980-07-22 Teltone Corporation Signal coupler
GB2075305B (en) * 1980-04-29 1983-11-23 Standard Telephones Cables Ltd Combined amplifier-limiter for a telephone system
US4723267A (en) * 1985-06-17 1988-02-02 Octocom Systems, Inc. Telephone line interface and dialer circuitry for telecommunications equipment
EP0556544A1 (en) * 1992-02-18 1993-08-25 Martignoni Electronics Ag Circuit arrangement for connecting a speech or data terminal to a communications line

Also Published As

Publication number Publication date
WO1995019083A2 (en) 1995-07-13
FI935873A0 (en) 1993-12-27
WO1995019083A3 (en) 1995-08-10
FI935873A (en) 1995-06-28

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