ES520500A0 - Un metodo de establecer conexiones de conferencia entre tres participantes en la conferencia en una red de comunicaciones multiple de division de timepo. - Google Patents
Un metodo de establecer conexiones de conferencia entre tres participantes en la conferencia en una red de comunicaciones multiple de division de timepo.Info
- Publication number
- ES520500A0 ES520500A0 ES520500A ES520500A ES520500A0 ES 520500 A0 ES520500 A0 ES 520500A0 ES 520500 A ES520500 A ES 520500A ES 520500 A ES520500 A ES 520500A ES 520500 A0 ES520500 A0 ES 520500A0
- Authority
- ES
- Spain
- Prior art keywords
- conference
- timepo
- participants
- communication network
- establishing
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8201058A NL8201058A (nl) | 1982-03-15 | 1982-03-15 | Werkwijze en inrichting voor het tot stand brengen van een conferentieverbinding in een tdm communicatiestelsel. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8404594A1 ES8404594A1 (es) | 1984-04-16 |
ES520500A0 true ES520500A0 (es) | 1984-04-16 |
Family
ID=19839417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES520500A Granted ES520500A0 (es) | 1982-03-15 | 1983-03-11 | Un metodo de establecer conexiones de conferencia entre tres participantes en la conferencia en una red de comunicaciones multiple de division de timepo. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4545050A (es) |
EP (1) | EP0089716B1 (es) |
JP (1) | JPS58168375A (es) |
CA (1) | CA1211823A (es) |
DE (1) | DE3361601D1 (es) |
ES (1) | ES520500A0 (es) |
NL (1) | NL8201058A (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8324058D0 (en) * | 1983-09-08 | 1983-10-12 | Plessey Co Plc | Conference bridge circuit arrangement |
US4608693A (en) * | 1984-05-07 | 1986-08-26 | At&T Bell Laboratories | Fault detection arrangement for a digital conferencing system |
JPS60260261A (ja) * | 1984-06-07 | 1985-12-23 | Fuji Xerox Co Ltd | 会議電話用回路 |
US4726016A (en) * | 1984-10-11 | 1988-02-16 | Iwatsu Electric Clock Co., Ltd. | Conference system |
JPS6190564A (ja) * | 1984-10-11 | 1986-05-08 | Iwatsu Electric Co Ltd | 会議通話方式 |
US4646288A (en) * | 1985-01-31 | 1987-02-24 | Denro Laboratories, Inc. | Multi-line accumulator/multiplexer |
FR2645693A1 (fr) * | 1989-04-07 | 1990-10-12 | Alcatel Business Systems | Commutateur telephonique temporel a memoire associative, et procede de fonctionnement d'un tel commutateur en mode conference |
US5276678A (en) * | 1990-06-18 | 1994-01-04 | Intelect, Inc. | Distributed switching and telephone conferencing system |
DE4335031A1 (de) * | 1993-10-14 | 1995-04-20 | Sel Alcatel Ag | Mobilfunknetz und Konferenzdienst-Einrichtung dafür |
US7088916B2 (en) * | 2002-08-27 | 2006-08-08 | Pentax Corporation | Retractable lens barrel |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1028764A (en) * | 1973-03-19 | 1978-03-28 | L M Ericsson Pty. Ltd. | Data switching apparatus and method |
GB1479009A (en) * | 1974-07-12 | 1977-07-06 | Sarma B | Telecommunication switching system |
US4022991A (en) * | 1975-09-18 | 1977-05-10 | Gte Automatic Electric Laboratories Incorporated | Conferencing arrangement for use in a PCM system |
FR2332663A1 (fr) * | 1975-11-20 | 1977-06-17 | Labo Cent Telecommunicat | Circuit de conference pour reseau de commutation mic |
DE2811466C3 (de) * | 1978-03-16 | 1981-01-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Konferenzverbindungen in einem PCM-Zeitmultiplexvermittlungssystem |
US4190744A (en) * | 1978-06-05 | 1980-02-26 | Siemens Aktiengesellschaft | Circuit arrangement and process for producing conference connections between three conference parties in a PCM time multiplex switching system |
US4230908A (en) * | 1979-01-22 | 1980-10-28 | Plessey Canada Limited | Telephone summing circuit |
DE2905426C2 (de) * | 1979-02-13 | 1986-07-10 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Prüfung der Funktionsfähigkeit von im Zusammenhang mit der Herstellung von Konferenzverbindungen ausgenutzten Sprachspeichern und übrigen Einrichtungen einer PCM-Zeitmultiplex-Vermittlungseinheit |
DE2906269A1 (de) * | 1979-02-19 | 1980-08-21 | Siemens Ag | Konferenzschaltung fuer eine digitale fernmeldeanlage insbesondere fernsprechvermittlungsanlage und fernsprechnebenstellenanlage |
US4274155A (en) * | 1979-08-06 | 1981-06-16 | Gte Automatic Electric Laboratories Inc. | Multiport conference circuit with multi-frame summing and voice level coding |
US4257120A (en) * | 1979-08-06 | 1981-03-17 | Gte Automatic Electric Laboratories Incorporated | Multiport conference circuit with multi-frame summing |
JPS5642491A (en) * | 1979-09-12 | 1981-04-20 | Nec Corp | Time-division switching system |
US4293946A (en) * | 1979-11-21 | 1981-10-06 | International Telephone And Telegraph Corporation | Trilateral duplex path conferencing system with broadcast capability |
JPS56122567A (en) * | 1980-03-03 | 1981-09-26 | Nec Corp | Digital talking equipment |
NL8006519A (nl) * | 1980-12-01 | 1982-07-01 | Philips Nv | Conferentiestelsel voor telefonie. |
US4387457A (en) * | 1981-06-12 | 1983-06-07 | Northern Telecom Limited | Digital conference circuit and method |
US4430734A (en) * | 1981-12-14 | 1984-02-07 | Bell Telephone Laboratories, Incorporated | Demultiplexer circuit |
-
1982
- 1982-03-15 NL NL8201058A patent/NL8201058A/nl not_active Application Discontinuation
-
1983
- 1983-03-10 CA CA000423260A patent/CA1211823A/en not_active Expired
- 1983-03-11 ES ES520500A patent/ES520500A0/es active Granted
- 1983-03-11 EP EP83200342A patent/EP0089716B1/en not_active Expired
- 1983-03-11 DE DE8383200342T patent/DE3361601D1/de not_active Expired
- 1983-03-14 JP JP58040859A patent/JPS58168375A/ja active Granted
- 1983-03-15 US US06/475,589 patent/US4545050A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL8201058A (nl) | 1983-10-03 |
EP0089716B1 (en) | 1985-12-27 |
ES8404594A1 (es) | 1984-04-16 |
DE3361601D1 (en) | 1986-02-06 |
US4545050A (en) | 1985-10-01 |
JPS58168375A (ja) | 1983-10-04 |
CA1211823A (en) | 1986-09-23 |
EP0089716A1 (en) | 1983-09-28 |
JPH0320946B2 (es) | 1991-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960506 |