FR2475328B1 - Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux - Google Patents

Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux

Info

Publication number
FR2475328B1
FR2475328B1 FR8105578A FR8105578A FR2475328B1 FR 2475328 B1 FR2475328 B1 FR 2475328B1 FR 8105578 A FR8105578 A FR 8105578A FR 8105578 A FR8105578 A FR 8105578A FR 2475328 B1 FR2475328 B1 FR 2475328B1
Authority
FR
France
Prior art keywords
terminals
groups
connection means
system provided
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
FR8105578A
Other languages
English (en)
Other versions
FR2475328A1 (fr
Inventor
Michael Leonard Kuras
Daniel Clay Upp
Herbert Joseph Toegel
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 FR8105578A priority Critical patent/FR2475328B1/fr
Publication of FR2475328A1 publication Critical patent/FR2475328A1/fr
Application granted granted Critical
Publication of FR2475328B1 publication Critical patent/FR2475328B1/fr
Expired 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR8105578A 1979-11-21 1981-03-20 Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux Expired FR2475328B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8105578A FR2475328B1 (fr) 1979-11-21 1981-03-20 Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux

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
FR8105578A FR2475328B1 (fr) 1979-11-21 1981-03-20 Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux

Publications (2)

Publication Number Publication Date
FR2475328A1 FR2475328A1 (fr) 1981-08-07
FR2475328B1 true FR2475328B1 (fr) 1988-06-24

Family

ID=26222288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105578A Expired FR2475328B1 (fr) 1979-11-21 1981-03-20 Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux

Country Status (1)

Country Link
FR (1) FR2475328B1 (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
DE2826062A1 (de) * 1978-06-14 1979-12-20 Siemens Ag Indirekt gesteuerte vermittlungsanlage mit zeitkanalverbindungswegen, insbesondere fernsprechvermittlungsanlage

Also Published As

Publication number Publication date
FR2475328A1 (fr) 1981-08-07

Similar Documents

Publication Publication Date Title
DE3162215D1 (en) Improved telecommunications switching network using digital switching modules
FR2472896B1 (fr) Systeme de commutation de telecommunications
DE3462573D1 (en) Rearrangeable multiconnection switching networks
DE3851318T2 (de) Rufabschaltungserkennungsschaltung für telefonteilnehmer.
PT88999A (pt) Comutador digital de telecomunicacoes
DE3587554D1 (de) Schaltsystem, fähig zur Fernmeldekonferenz.
DE3163470D1 (en) Bit-by-bit time-division digital switching networks
AU543033B2 (en) Tdm telecommunication digital switching module
EP0005220A3 (en) Circuitry for time division multiplex digital switching telecommunication exchanges, in particular telephone exchanges
FR2547151B1 (fr) Systeme de commutation numerique
ATE64052T1 (de) Fernsprech-teilnehmerschaltung.
BE848460A (fr) Circuit de conference pour reseau de commutation mic,
BE895657R (fr) Systeme de telecommunications a integration de services par interconnexion de commutateurs et reseaux specialises
FR2475328B1 (fr) Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux
FR2625056B1 (fr) Systeme de commutation de paquets
BE896365A (fr) Circuit de commutation.
FR2499345B1 (fr) Central de commutation numerique pour systemes de telecommunications
FR2523387B1 (fr) Circuit de conference telephonique
FR2573601B1 (fr) Circuit pour la commutation de sources video
FR2538662B1 (fr) Systeme de commutation telephonique
MTP933B (en) Telecommunications digital switch block
IT1115590B (it) Impianto multiplo per abbonati telefonici commutato digitalmente
BE848969R (fr) Circuit de conference pour reseau de commutation mic
FR2305085A1 (fr) Systeme de commutation telephonique
FR2592541B1 (fr) Terminal telephonique de teleconference.

Legal Events

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