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JPS57184394A - Method and device for mixing low frequency signals transmitted in digital format through different time division channel toward telephone - Google Patents

Method and device for mixing low frequency signals transmitted in digital format through different time division channel toward telephone

Info

Publication number
JPS57184394A
JPS57184394A JP57008724A JP872482A JPS57184394A JP S57184394 A JPS57184394 A JP S57184394A JP 57008724 A JP57008724 A JP 57008724A JP 872482 A JP872482 A JP 872482A JP S57184394 A JPS57184394 A JP S57184394A
Authority
JP
Japan
Prior art keywords
low frequency
time division
different time
signals transmitted
frequency signals
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.)
Pending
Application number
JP57008724A
Other languages
English (en)
Inventor
Barutsu Renie
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.)
ALE International SAS
Original Assignee
La Telephone Industrielle et Commerciale Telic Alcatel SA
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 La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical La Telephone Industrielle et Commerciale Telic Alcatel SA
Publication of JPS57184394A publication Critical patent/JPS57184394A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP57008724A 1981-01-21 1982-01-21 Method and device for mixing low frequency signals transmitted in digital format through different time division channel toward telephone Pending JPS57184394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8101033A FR2498403A1 (fr) 1981-01-21 1981-01-21 Procede et dispositif de melange de signaux basse frequence transmis par des voies temporelles differentes vers un meme organe telephonique recepteur

Publications (1)

Publication Number Publication Date
JPS57184394A true JPS57184394A (en) 1982-11-13

Family

ID=9254350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57008724A Pending JPS57184394A (en) 1981-01-21 1982-01-21 Method and device for mixing low frequency signals transmitted in digital format through different time division channel toward telephone

Country Status (10)

Country Link
US (1) US4486879A (ja)
JP (1) JPS57184394A (ja)
BE (1) BE891682A (ja)
DE (1) DE3200934A1 (ja)
ES (1) ES8302395A1 (ja)
FR (1) FR2498403A1 (ja)
GB (1) GB2093665B (ja)
IE (1) IE52597B1 (ja)
IT (1) IT1154417B (ja)
PT (1) PT74314B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6112154A (ja) * 1984-06-27 1986-01-20 Nec Corp 電話交換における端末制御方式

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541087A (en) * 1983-06-27 1985-09-10 Confertech International, Inc. Digital teleconferencing control device, system and method
GB2157129A (en) * 1984-04-06 1985-10-16 Standard Telephones Cables Ltd Conference circuit
US4606021A (en) * 1984-08-17 1986-08-12 Itt Corporation Digital conference circuit
SE449152B (sv) * 1986-03-19 1987-04-06 Paul Gosta Wilhelm Rosen Kommunikationsanleggning innefattande ett flertal enheter vilka kan uppretthalla en konferenskoppling
US4831618A (en) * 1987-11-02 1989-05-16 A G Communication Systems Corporation Additive PCM speaker circuit for a time shared ISDN conference arrangement
DE19716314A1 (de) 1997-04-18 1998-10-22 Alsthom Cge Alcatel Verfahren und Vorrichtung zur Addition von als Abtastwerte vorliegenden Signalen
US20040217666A1 (en) * 2002-12-11 2004-11-04 Ballard Power Systems Corporation Rotor assembly of synchronous machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171896A (en) * 1960-07-26 1965-03-02 Gen Dynamics Corp Time division multiplex communication system conference circuit
US3903372A (en) * 1973-06-05 1975-09-02 North Electric Co Time division multiplex conferencing system
US3889067A (en) * 1973-10-24 1975-06-10 Technology Service Corp Digital telephone switching system
US3983332A (en) * 1974-06-03 1976-09-28 International Business Machines Corporation Conference call circuitry for TDM signal exchange
US3997730A (en) * 1975-08-29 1976-12-14 Bell Telephone Laboratories, Incorporated Time division conference circuit
US4024349A (en) * 1976-04-22 1977-05-17 Bell Telephone Laboratories, Incorporated Quasi-resonant transfer conferencing circuit
DE2915488C2 (de) * 1979-04-17 1982-05-19 Nixdorf Computer Ag, 4790 Paderborn Schaltungsanordnung zur Steuerung der Übertragung von Digital-Signalen, insbesondere PCM-Signalen, zwischen Anschlußstellen eines Zeitmultiplex-Fernmeldenetzes, insbesondere PCM-Zeitmultiplex-Fernmeldenetzes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6112154A (ja) * 1984-06-27 1986-01-20 Nec Corp 電話交換における端末制御方式

Also Published As

Publication number Publication date
GB2093665A (en) 1982-09-02
PT74314A (fr) 1982-02-01
GB2093665B (en) 1985-01-23
IT1154417B (it) 1987-01-21
IE820105L (en) 1982-07-21
IT8267024A0 (it) 1982-01-11
BE891682A (fr) 1982-07-05
ES508907A0 (es) 1982-12-16
PT74314B (fr) 1984-06-26
US4486879A (en) 1984-12-04
FR2498403A1 (fr) 1982-07-23
DE3200934A1 (de) 1982-12-02
ES8302395A1 (es) 1982-12-16
IE52597B1 (en) 1987-12-23

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