FR2592541A1 - Terminal telephonique de teleconference. - Google Patents

Terminal telephonique de teleconference.

Info

Publication number
FR2592541A1
FR2592541A1 FR8519470A FR8519470A FR2592541A1 FR 2592541 A1 FR2592541 A1 FR 2592541A1 FR 8519470 A FR8519470 A FR 8519470A FR 8519470 A FR8519470 A FR 8519470A FR 2592541 A1 FR2592541 A1 FR 2592541A1
Authority
FR
France
Prior art keywords
terminal
teleconference
wire
participants
order
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.)
Granted
Application number
FR8519470A
Other languages
English (en)
Other versions
FR2592541B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8519470A priority Critical patent/FR2592541B1/fr
Publication of FR2592541A1 publication Critical patent/FR2592541A1/fr
Application granted granted Critical
Publication of FR2592541B1 publication Critical patent/FR2592541B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

Système de téléconférence téléphonique comprenant un terminal de téléconférence connectable à un réseau de commutation public ou privé, autant de lignes téléphoniques reliant ledit terminal audit réseau qu'il y a, au maximum, de participants à la téléconférence, l'une de ces lignes étant une ligne maître et un poste téléphonique maître relié au réseau de commutation pour appeler ladite ligne maître et les lignes desservant les participants ; Ledit terminal étant caractérisé en ce qu'il comprend en outre des convertisseurs deux fils-quatre fils reliés aux équipements de lignes du terminal. Des moyens d'additionner et d'amplifier les signaux de parole entrant dans lesdits moyens et relatifs à tous les participants sauf un pour obtenir le signal sortant relatif à ce dernier participant ; et des moyens de connecter ou de déconnecter sélectivement les convertisseurs deux fils quatre fils auxdits moyens d'addition et d'amplification pour faire entrer ou sortir un participant de la conférence. (CF DESSIN DANS BOPI)
FR8519470A 1985-12-31 1985-12-31 Terminal telephonique de teleconference. Expired - Lifetime FR2592541B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8519470A FR2592541B1 (fr) 1985-12-31 1985-12-31 Terminal telephonique de teleconference.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8519470A FR2592541B1 (fr) 1985-12-31 1985-12-31 Terminal telephonique de teleconference.

Publications (2)

Publication Number Publication Date
FR2592541A1 true FR2592541A1 (fr) 1987-07-03
FR2592541B1 FR2592541B1 (fr) 1991-10-11

Family

ID=9326350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8519470A Expired - Lifetime FR2592541B1 (fr) 1985-12-31 1985-12-31 Terminal telephonique de teleconference.

Country Status (1)

Country Link
FR (1) FR2592541B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515241A1 (fr) * 1991-05-21 1992-11-25 France Telecom Système de téléréunion téléphonique
EP0617538A1 (fr) * 1993-03-26 1994-09-28 Siemens Rolm Communications Inc. (a Delaware corp.) Equipement amélioré de conférence téléphonique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB973478A (en) * 1962-03-08 1964-10-28 Western Electric Co Telephone conference systems
US3660610A (en) * 1970-04-24 1972-05-02 Itt Conference call circuit
US3775564A (en) * 1970-03-25 1973-11-27 Siemens Ag Switching arrangement for conference call connections in private branch telephone exchanges
GB2088673A (en) * 1980-12-01 1982-06-09 Philips Nv Conference system for telephony
CA1165842A (fr) * 1982-10-25 1984-04-17 Vincent G. Leblanc Systeme de conference telephonique en pont

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB973478A (en) * 1962-03-08 1964-10-28 Western Electric Co Telephone conference systems
US3775564A (en) * 1970-03-25 1973-11-27 Siemens Ag Switching arrangement for conference call connections in private branch telephone exchanges
US3660610A (en) * 1970-04-24 1972-05-02 Itt Conference call circuit
GB2088673A (en) * 1980-12-01 1982-06-09 Philips Nv Conference system for telephony
CA1165842A (fr) * 1982-10-25 1984-04-17 Vincent G. Leblanc Systeme de conference telephonique en pont

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515241A1 (fr) * 1991-05-21 1992-11-25 France Telecom Système de téléréunion téléphonique
FR2676882A1 (fr) * 1991-05-21 1992-11-27 Pillet Michel Systeme de telereunion telephonique.
US5369693A (en) * 1991-05-21 1994-11-29 France Telecom Telephonic telemeeting system
EP0617538A1 (fr) * 1993-03-26 1994-09-28 Siemens Rolm Communications Inc. (a Delaware corp.) Equipement amélioré de conférence téléphonique

Also Published As

Publication number Publication date
FR2592541B1 (fr) 1991-10-11

Similar Documents

Publication Publication Date Title
DE69636988D1 (de) Verfahren und gerät zum implementieren eines rechnernetzwerk-/internet-fernsprechsystems
GB1342781A (en) Communication systems
TW366640B (en) Interoffice broadband communication system using twisted pair telephone wires
CA2071856A1 (fr) Systeme telephonique interactif conservant l'anonymat a connexion directe
MX9701424A (es) Fusionado de funciones de conmutacion y conexion cruzada en redes de telecomunicaciones.
US4416007A (en) Digital conferencing method and arrangement
WO1998038785A3 (fr) Procede et appareil de mise en conference d'un systeme extensible de telecommunications
GB1521127A (en) Telecommunication systems
FR2592541A1 (fr) Terminal telephonique de teleconference.
US4566096A (en) Telephone exchange conference circuit
CA1267960C (fr) Systeme de communication a acces multiples a circuit de controle par comparaison pour la commutation des connexions entre bureaux
JPS645153A (en) Private line connection system
JPS55138955A (en) Time sharing channel interruption system
JPS59216361A (ja) 会議通話トランク
KR100528742B1 (ko) 교환시스템의 다자간 회의통화장치
US4286119A (en) Arrangement for concentrating pulse code modulation processing circuits in a digital telephone office
US4293738A (en) Analog access arrangement for a digital telephone office
JPS6230543B2 (fr)
JPS6412752A (en) Telephone conference connection system
JP2756487B2 (ja) 会議通話方式
BE900798A (fr) Poste telephonique de secretariat a traitement reparti combine a un standard de secretariat.
JPH03205952A (ja) 複数者通話方式
SE9803174L (sv) Telekommunikationssystem
SE8401366D0 (sv) Konferenskoppling for telefonanknytningar
GB1447693A (en) Time division communication systems

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property