FR2536615B1 - Dispositif de commutation vocale pour un systeme de conference telephonique - Google Patents
Dispositif de commutation vocale pour un systeme de conference telephoniqueInfo
- Publication number
- FR2536615B1 FR2536615B1 FR8317634A FR8317634A FR2536615B1 FR 2536615 B1 FR2536615 B1 FR 2536615B1 FR 8317634 A FR8317634 A FR 8317634A FR 8317634 A FR8317634 A FR 8317634A FR 2536615 B1 FR2536615 B1 FR 2536615B1
- Authority
- FR
- France
- Prior art keywords
- switching device
- conference system
- telephone conference
- voice switching
- voice
- 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
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/442,607 US4456792A (en) | 1982-11-18 | 1982-11-18 | Voice switching arrangement for telephone conferencing |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2536615A1 FR2536615A1 (fr) | 1984-05-25 |
FR2536615B1 true FR2536615B1 (fr) | 1986-12-19 |
Family
ID=23757447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8317634A Expired FR2536615B1 (fr) | 1982-11-18 | 1983-11-07 | Dispositif de commutation vocale pour un systeme de conference telephonique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4456792A (fr) |
JP (1) | JPS59104852A (fr) |
CA (1) | CA1204489A (fr) |
DE (1) | DE3341476A1 (fr) |
FR (1) | FR2536615B1 (fr) |
GB (1) | GB2130850B (fr) |
NL (1) | NL8303963A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2156184A (en) * | 1984-03-21 | 1985-10-02 | Philips Electronic Associated | Loudspeaking telephone instrument |
JPH0638621B2 (ja) * | 1985-03-01 | 1994-05-18 | 日本電気株式会社 | 音声加算分配装置 |
US4716585A (en) | 1985-04-05 | 1987-12-29 | Datapoint Corporation | Gain switched audio conferencing network |
US4710917A (en) | 1985-04-08 | 1987-12-01 | Datapoint Corporation | Video conferencing network |
US5271057A (en) * | 1991-10-09 | 1993-12-14 | Bell Communications Research, Inc. | Audio processing system for teleconferencing system |
JP3441843B2 (ja) * | 1995-05-31 | 2003-09-02 | 富士通株式会社 | 局間多者接続方式 |
US5737405A (en) * | 1995-07-25 | 1998-04-07 | Rockwell International Corporation | Apparatus and method for detecting conversation interruptions in a telephonic switch |
US6804340B2 (en) | 2001-05-03 | 2004-10-12 | Raytheon Company | Teleconferencing system |
US7110562B1 (en) | 2001-08-10 | 2006-09-19 | Hear-Wear Technologies, Llc | BTE/CIC auditory device and modular connector system therefor |
US7139404B2 (en) | 2001-08-10 | 2006-11-21 | Hear-Wear Technologies, Llc | BTE/CIC auditory device and modular connector system therefor |
FI112016B (fi) * | 2001-12-20 | 2003-10-15 | Nokia Corp | Konferenssipuhelujärjestely |
WO2007084254A2 (fr) * | 2005-11-29 | 2007-07-26 | Dilithium Networks Pty Ltd. | Procede et systeme de melange de voix dans le cadre d'une teleconference faisant intervenir divers reseaux |
JP4850197B2 (ja) * | 2008-03-07 | 2012-01-11 | 株式会社イトーキ | 高性能気密パッキン |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1105792A (fr) * | 1954-07-29 | 1955-12-07 | Installation téléphonique à haut-parleurs | |
US3622714A (en) * | 1969-09-02 | 1971-11-23 | Bell Telephone Labor Inc | Telephonic transmission using complementary comb filters |
GB1329575A (en) * | 1970-01-26 | 1973-09-12 | Reid A A L | Group communication apparatus |
US3755625A (en) * | 1971-10-12 | 1973-08-28 | Bell Telephone Labor Inc | Multimicrophone loudspeaking telephone system |
US3958084A (en) * | 1974-09-30 | 1976-05-18 | Rockwell International Corporation | Conferencing apparatus |
FR2390864A1 (fr) * | 1977-05-09 | 1978-12-08 | France Etat | Systeme d'audioconference par liaison telephonique |
WO1980002627A1 (fr) * | 1979-05-11 | 1980-11-27 | Toa Electric Co Ltd | Systeme de commutation commande par la voix |
-
1982
- 1982-11-18 US US06/442,607 patent/US4456792A/en not_active Expired - Lifetime
-
1983
- 1983-11-07 CA CA000440548A patent/CA1204489A/fr not_active Expired
- 1983-11-07 FR FR8317634A patent/FR2536615B1/fr not_active Expired
- 1983-11-15 GB GB08330450A patent/GB2130850B/en not_active Expired
- 1983-11-17 DE DE19833341476 patent/DE3341476A1/de not_active Withdrawn
- 1983-11-17 NL NL8303963A patent/NL8303963A/nl not_active Application Discontinuation
- 1983-11-18 JP JP58216442A patent/JPS59104852A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4456792A (en) | 1984-06-26 |
FR2536615A1 (fr) | 1984-05-25 |
JPS59104852A (ja) | 1984-06-16 |
DE3341476A1 (de) | 1984-05-24 |
CA1204489A (fr) | 1986-05-13 |
GB2130850B (en) | 1985-11-20 |
GB2130850A (en) | 1984-06-06 |
GB8330450D0 (en) | 1983-12-21 |
NL8303963A (nl) | 1984-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2316813A1 (fr) | Systeme de commutation telephonique pourvu de moyens de mise en attente d'appel automatique | |
IT8322506A0 (it) | Impianto di localizzazione elettronico per persone riceventi chiamate telefoniche. | |
FR2407624B1 (fr) | Dispositif de conference pour un systeme de telecommunications | |
BE892930A (fr) | Systeme de mise en conference de type reparti pour un reseau de telecommunications | |
FR2502871B1 (fr) | Systeme de commutation et de combinaison de signaux pour un systeme de communication radio | |
DE3676063D1 (de) | Fernsprechleitungsschnittstellenschaltung fuer fernmeldeanlage. | |
BE871163A (fr) | Autocommutateur pour un systeme de telecommunication | |
FR2472895B1 (fr) | Dispositif de verification de continuite pour un systeme de commutation telephonique | |
BE871658A (fr) | Dispositif de reacheminement d'appel pour un systeme de telecommunications | |
FR2536615B1 (fr) | Dispositif de commutation vocale pour un systeme de conference telephonique | |
BE858001A (fr) | Disposition de circuit pour un systeme telephonique d'interphone | |
GB2121256B (en) | Receivers for receiving signaling from a telephone subscriber line | |
FR2495413B1 (fr) | Systeme de raccordement de lignes d'abonnes a un autocommutateur telephonique temporel | |
GB2182824B (en) | A device for preventing outgoing calls from a telephone | |
FR2601211B3 (fr) | Combine telephonique portable pour systemes de communications du type public | |
BE896637A (fr) | Dispositif de multiplexage numerique, notamment pour reseau telephonique numerique | |
FR2538662B1 (fr) | Systeme de commutation telephonique | |
FR2523387B1 (fr) | Circuit de conference telephonique | |
PT76601B (fr) | Circuit de boucle pour ligne telephonique | |
DE3369048D1 (en) | Subscriber telephone system | |
FR2517911B1 (fr) | Circuit de commande pour dispositif de conversation telephonique a mains libres | |
FR2598874B1 (fr) | Dispositif de protection hygienique pour combine telephonique | |
FR2545658B2 (fr) | Dispositif de verrouillage de connexion demontable a embrochage notamment pour poste telephonique | |
FR2511211B1 (fr) | Combine telephonique special pour les deficients auditifs | |
BE891296A (fr) | Systeme de conference pour telephonie |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |