FI974579A - Laite monikanavaisen digitaalisen linkin ja usean analogisen linjan liittämiseksi - Google Patents

Laite monikanavaisen digitaalisen linkin ja usean analogisen linjan liittämiseksi Download PDF

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Publication number
FI974579A
FI974579A FI974579A FI974579A FI974579A FI 974579 A FI974579 A FI 974579A FI 974579 A FI974579 A FI 974579A FI 974579 A FI974579 A FI 974579A FI 974579 A FI974579 A FI 974579A
Authority
FI
Finland
Prior art keywords
adapting
digital link
analog lines
analog
lines
Prior art date
Application number
FI974579A
Other languages
English (en)
Swedish (sv)
Other versions
FI105642B (fi
FI974579A0 (fi
Inventor
Luca Vicini
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 FI974579A priority Critical patent/FI105642B/fi
Publication of FI974579A0 publication Critical patent/FI974579A0/fi
Priority to AU16747/99A priority patent/AU1674799A/en
Priority to PCT/FI1998/000998 priority patent/WO1999033311A1/en
Publication of FI974579A publication Critical patent/FI974579A/fi
Application granted granted Critical
Publication of FI105642B publication Critical patent/FI105642B/fi

Links

Classifications

    • 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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/002—Applications of echo suppressors or cancellers in telephonic connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13031—Pulse code modulation, PCM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1305—Software aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1319—Amplifier, attenuation circuit, echo suppressor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13405—Dual frequency signaling, DTMF

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
FI974579A 1997-12-19 1997-12-19 Laite monikanavaisen digitaalisen yhteyden ja useiden analogisten linjojen liittämiseksi toisiinsa FI105642B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI974579A FI105642B (fi) 1997-12-19 1997-12-19 Laite monikanavaisen digitaalisen yhteyden ja useiden analogisten linjojen liittämiseksi toisiinsa
AU16747/99A AU1674799A (en) 1997-12-19 1998-12-18 An apparatus for interfacing a multi-channel digital link and a plurality of analog lines
PCT/FI1998/000998 WO1999033311A1 (en) 1997-12-19 1998-12-18 An apparatus for interfacing a multi-channel digital link and a plurality of analog lines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974579A FI105642B (fi) 1997-12-19 1997-12-19 Laite monikanavaisen digitaalisen yhteyden ja useiden analogisten linjojen liittämiseksi toisiinsa
FI974579 1997-12-19

Publications (3)

Publication Number Publication Date
FI974579A0 FI974579A0 (fi) 1997-12-19
FI974579A true FI974579A (fi) 1999-06-20
FI105642B FI105642B (fi) 2000-09-15

Family

ID=8550179

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974579A FI105642B (fi) 1997-12-19 1997-12-19 Laite monikanavaisen digitaalisen yhteyden ja useiden analogisten linjojen liittämiseksi toisiinsa

Country Status (3)

Country Link
AU (1) AU1674799A (fi)
FI (1) FI105642B (fi)
WO (1) WO1999033311A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1353527A1 (de) * 2002-04-09 2003-10-15 Siemens AG Signalverarbeitungseinheit mit seriellen Zeitmultiplexverbindungen zwischen Signalverarbeitungs- und Steuermitteln
CN111025968B (zh) * 2019-12-05 2022-09-27 深圳震有科技股份有限公司 Dsp收号故障检测处理方法及装置、计算机设备、介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178479A (en) * 1978-02-06 1979-12-11 Trw, Inc. Communication processor apparatus for use in a TDM switching system
FR2443781A1 (fr) * 1978-12-08 1980-07-04 Cochennec Jean Yves Systeme de raccordement de lignes d'abonnes a un autocommutateur telephonique temporel
GB2185657B (en) * 1986-01-22 1989-11-01 Stc Plc Automatic telecommunication system
GB2213024B (en) * 1987-11-24 1991-07-31 Stc Plc Data transmission system
FR2641093B1 (fi) * 1988-12-23 1994-04-29 Alcatel Business Systems

Also Published As

Publication number Publication date
WO1999033311A1 (en) 1999-07-01
FI105642B (fi) 2000-09-15
FI974579A0 (fi) 1997-12-19
AU1674799A (en) 1999-07-12

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