FI935873A - Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri - Google Patents

Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri Download PDF

Info

Publication number
FI935873A
FI935873A FI935873A FI935873A FI935873A FI 935873 A FI935873 A FI 935873A FI 935873 A FI935873 A FI 935873A FI 935873 A FI935873 A FI 935873A FI 935873 A FI935873 A FI 935873A
Authority
FI
Finland
Prior art keywords
connection
well
data communication
communication signals
telephone exchange
Prior art date
Application number
FI935873A
Other languages
English (en)
Swedish (sv)
Other versions
FI935873A0 (fi
Inventor
Harri Hurme
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 FI935873A priority Critical patent/FI935873A/fi
Publication of FI935873A0 publication Critical patent/FI935873A0/fi
Priority to AU13187/95A priority patent/AU1318795A/en
Priority to PCT/FI1994/000582 priority patent/WO1995019083A2/en
Publication of FI935873A publication Critical patent/FI935873A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
FI935873A 1993-12-27 1993-12-27 Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri FI935873A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI935873A FI935873A (fi) 1993-12-27 1993-12-27 Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri
AU13187/95A AU1318795A (en) 1993-12-27 1994-12-23 Interface circuit
PCT/FI1994/000582 WO1995019083A2 (en) 1993-12-27 1994-12-23 Interface circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI935873A FI935873A (fi) 1993-12-27 1993-12-27 Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri

Publications (2)

Publication Number Publication Date
FI935873A0 FI935873A0 (fi) 1993-12-27
FI935873A true FI935873A (fi) 1995-06-28

Family

ID=8539188

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935873A FI935873A (fi) 1993-12-27 1993-12-27 Menetelmä tietoliikennesignaalien syöttämiseksi puhelinkeskuksen analogiselle liitännälle, sekä liitäntäpiiri

Country Status (3)

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

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 (de) * 1992-02-18 1993-08-25 Martignoni Electronics Ag Schaltungsanordnung zum Anschluss eines Sprach- oder Datenterminals an eine Uebertragungsleitung

Also Published As

Publication number Publication date
FI935873A0 (fi) 1993-12-27
WO1995019083A2 (en) 1995-07-13
WO1995019083A3 (en) 1995-08-10
AU1318795A (en) 1995-08-01

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