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IT8267024A0 - Procedimento e dispositivo di miscelazione di segnali a bassa frequenza trasmessi mediante canali temporali differenti verso uno stesso apparato telefonico ricevitore - Google Patents

Procedimento e dispositivo di miscelazione di segnali a bassa frequenza trasmessi mediante canali temporali differenti verso uno stesso apparato telefonico ricevitore

Info

Publication number
IT8267024A0
IT8267024A0 IT8267024A IT6702482A IT8267024A0 IT 8267024 A0 IT8267024 A0 IT 8267024A0 IT 8267024 A IT8267024 A IT 8267024A IT 6702482 A IT6702482 A IT 6702482A IT 8267024 A0 IT8267024 A0 IT 8267024A0
Authority
IT
Italy
Prior art keywords
procedure
low frequency
different time
signals transmitted
frequency signals
Prior art date
Application number
IT8267024A
Other languages
English (en)
Other versions
IT1154417B (it
Inventor
Rainier Baltz
Original Assignee
Telephonie Ind Commerciale
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 Telephonie Ind Commerciale filed Critical Telephonie Ind Commerciale
Publication of IT8267024A0 publication Critical patent/IT8267024A0/it
Application granted granted Critical
Publication of IT1154417B publication Critical patent/IT1154417B/it

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)
IT67024/82A 1981-01-21 1982-01-11 Procedimento e dispositivo di miscelazione di segnali a bassa frequenza trasmessi mediante canali temporali differenti verso uno stesso apparato telefonico ricevitore IT1154417B (it)

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 (2)

Publication Number Publication Date
IT8267024A0 true IT8267024A0 (it) 1982-01-11
IT1154417B IT1154417B (it) 1987-01-21

Family

ID=9254350

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67024/82A IT1154417B (it) 1981-01-21 1982-01-11 Procedimento e dispositivo di miscelazione di segnali a bassa frequenza trasmessi mediante canali temporali differenti verso uno stesso apparato telefonico ricevitore

Country Status (10)

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

Families Citing this family (8)

* 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
JPS6112154A (ja) * 1984-06-27 1986-01-20 Nec Corp 電話交換における端末制御方式
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

Also Published As

Publication number Publication date
IE52597B1 (en) 1987-12-23
ES508907A0 (es) 1982-12-16
IT1154417B (it) 1987-01-21
BE891682A (fr) 1982-07-05
FR2498403A1 (fr) 1982-07-23
PT74314B (fr) 1984-06-26
IE820105L (en) 1982-07-21
DE3200934A1 (de) 1982-12-02
ES8302395A1 (es) 1982-12-16
JPS57184394A (en) 1982-11-13
PT74314A (fr) 1982-02-01
US4486879A (en) 1984-12-04
GB2093665B (en) 1985-01-23
GB2093665A (en) 1982-09-02

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