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FR2470495B1 - Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux - Google Patents

Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux

Info

Publication number
FR2470495B1
FR2470495B1 FR8024731A FR8024731A FR2470495B1 FR 2470495 B1 FR2470495 B1 FR 2470495B1 FR 8024731 A FR8024731 A FR 8024731A FR 8024731 A FR8024731 A FR 8024731A FR 2470495 B1 FR2470495 B1 FR 2470495B1
Authority
FR
France
Prior art keywords
multilateral
teleconference
establishing
system capable
switching system
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.)
Expired
Application number
FR8024731A
Other languages
English (en)
Other versions
FR2470495A1 (fr
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from US06/096,599 external-priority patent/US4293946A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR8024731A priority Critical patent/FR2470495B1/fr
Publication of FR2470495A1 publication Critical patent/FR2470495A1/fr
Application granted granted Critical
Publication of FR2470495B1 publication Critical patent/FR2470495B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FR8024731A 1979-11-21 1980-11-21 Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux Expired FR2470495B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8024731A FR2470495B1 (fr) 1979-11-21 1980-11-21 Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/096,599 US4293946A (en) 1979-11-21 1979-11-21 Trilateral duplex path conferencing system with broadcast capability
FR8024731A FR2470495B1 (fr) 1979-11-21 1980-11-21 Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux

Publications (2)

Publication Number Publication Date
FR2470495A1 FR2470495A1 (fr) 1981-05-29
FR2470495B1 true FR2470495B1 (fr) 1988-06-24

Family

ID=26222086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8024731A Expired FR2470495B1 (fr) 1979-11-21 1980-11-21 Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux

Country Status (1)

Country Link
FR (1) FR2470495B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1027265A (fr) * 1975-04-23 1978-02-28 Alan S.J. Chapman Methode et dispositif permettant de tenir plusieurs conferences simultanees dans un systeme a commutation par modulation d'impulsions codees
FR2310669A1 (fr) * 1975-05-07 1976-12-03 Labo Cent Telecommunicat Dispositif de connexions multiples pour centre de commutation numerique a repartition temporelle

Also Published As

Publication number Publication date
FR2470495A1 (fr) 1981-05-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse