DE3148886C1 - Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung - Google Patents
Verfahren und Schaltungsanordnung zum Herstellen einer KonferenzverbindungInfo
- Publication number
- DE3148886C1 DE3148886C1 DE3148886A DE3148886A DE3148886C1 DE 3148886 C1 DE3148886 C1 DE 3148886C1 DE 3148886 A DE3148886 A DE 3148886A DE 3148886 A DE3148886 A DE 3148886A DE 3148886 C1 DE3148886 C1 DE 3148886C1
- Authority
- DE
- Germany
- Prior art keywords
- speech samples
- speech
- samples
- participants
- circuit arrangement
- 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
- 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)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Control Of El Displays (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Gyroscopes (AREA)
- Time-Division Multiplex Systems (AREA)
- Interface Circuits In Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Exchange Systems With Centralized Control (AREA)
Priority Applications (30)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3148886A DE3148886C1 (de) | 1981-12-10 | 1981-12-10 | Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung |
| AU91131/82A AU553691B2 (en) | 1981-12-10 | 1982-11-06 | Conference circuit for a digital telephone switching system |
| NZ202626A NZ202626A (en) | 1981-12-10 | 1982-11-26 | Tdm-pcm digital conference circuit:loudest talker wins |
| US06/445,629 US4488291A (en) | 1981-12-10 | 1982-11-30 | Circuit arrangement for setting up a conference call |
| ZA828846A ZA828846B (en) | 1981-12-10 | 1982-12-01 | Method of and circuit arrangement for setting up a conference call |
| IT24552/82A IT1154391B (it) | 1981-12-10 | 1982-12-02 | Metodo e disposizione circuitale per realizzare una comunicazione in conferenza in un sistema di commutazione telfonica digitale |
| TR21922A TR21922A (tr) | 1981-12-10 | 1982-12-03 | Bir grup konusmasi yapilmasri temin metodu ve boeyle konusmayi temine mahsus devre duezenlemesi |
| NO824084A NO157839C (no) | 1981-12-10 | 1982-12-06 | Konferansekrets. |
| DD82245652A DD209555A5 (de) | 1981-12-10 | 1982-12-07 | Verfahren und schaltungsanordnung zum herstellen einer konferenzverbindung |
| FI824200A FI824200L (fi) | 1981-12-10 | 1982-12-07 | Foerfarande och krets foer uppkoppling av en telefonkonferens |
| KR8205491A KR880002168B1 (ko) | 1981-12-10 | 1982-12-07 | 회의통화를 설정하는 방법과 그 회로 |
| HU823914A HU184592B (en) | 1981-12-10 | 1982-12-07 | Method and circuit arrangement for establisching omnibus operation |
| BR8207094A BR8207094A (pt) | 1981-12-10 | 1982-12-07 | Metodo para estabelecer chamada de conferenica em sistema de comutacao telefonica digital |
| DE8282111333T DE3278453D1 (en) | 1981-12-10 | 1982-12-07 | Method and circuit for establishing a conference connection |
| EP82111333A EP0081799B1 (de) | 1981-12-10 | 1982-12-07 | Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung |
| PH28240A PH20311A (en) | 1981-12-10 | 1982-12-07 | Circuit arragement for setting up a conferrence call |
| AT82111333T ATE34058T1 (de) | 1981-12-10 | 1982-12-07 | Verfahren und schaltungsanordnung zum herstellen einer konferenzverbindung. |
| RO82109259A RO84971A (ro) | 1981-12-10 | 1982-12-08 | Metoda si circuit pentru realizarea teleconferintelor |
| GR70030A GR77104B (OSRAM) | 1981-12-10 | 1982-12-09 | |
| YU2728/82A YU43810B (en) | 1981-12-10 | 1982-12-09 | Arrangement for forming a conference call |
| JP57214754A JPS58150357A (ja) | 1981-12-10 | 1982-12-09 | 会議電話の設定方法および回路装置 |
| CA000417379A CA1206237A (en) | 1981-12-10 | 1982-12-09 | Method of and circuit arrangement for setting up a conference call |
| SU823522504A SU1210677A3 (ru) | 1981-12-10 | 1982-12-09 | Способ цифровой конференцсв зи и устройство дл его осуществлени |
| MX195550A MX151911A (es) | 1981-12-10 | 1982-12-10 | Aparato para establecer una llamada a conferencia en un sistema de conmutacion digital |
| PL1982239455A PL141213B1 (en) | 1981-12-10 | 1982-12-10 | Method of and system for setting up a conference call |
| BE2/59949A BE895315A (fr) | 1981-12-10 | 1982-12-10 | Methode et arrangement de circuits pour l'etablissement d'appels de conference dans un systeme de commutation telephonique numerique |
| ES518084A ES518084A0 (es) | 1981-12-10 | 1982-12-10 | Un metodo y un circuito para establecer una llamada multiple en un sistema de conmutacion telefonica digital. |
| IN240/CAL/83A IN157468B (OSRAM) | 1981-12-10 | 1983-02-26 | |
| SG28/89A SG2889G (en) | 1981-12-10 | 1989-01-13 | Method and circuit for establishing a conference connection |
| HK679/90A HK67990A (en) | 1981-12-10 | 1990-08-30 | Method and circuit for establishing a conference connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3148886A DE3148886C1 (de) | 1981-12-10 | 1981-12-10 | Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3148886C1 true DE3148886C1 (de) | 1983-08-11 |
Family
ID=6148353
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3148886A Expired DE3148886C1 (de) | 1981-12-10 | 1981-12-10 | Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung |
| DE8282111333T Expired DE3278453D1 (en) | 1981-12-10 | 1982-12-07 | Method and circuit for establishing a conference connection |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8282111333T Expired DE3278453D1 (en) | 1981-12-10 | 1982-12-07 | Method and circuit for establishing a conference connection |
Country Status (29)
| Country | Link |
|---|---|
| US (1) | US4488291A (OSRAM) |
| EP (1) | EP0081799B1 (OSRAM) |
| JP (1) | JPS58150357A (OSRAM) |
| KR (1) | KR880002168B1 (OSRAM) |
| AT (1) | ATE34058T1 (OSRAM) |
| AU (1) | AU553691B2 (OSRAM) |
| BE (1) | BE895315A (OSRAM) |
| BR (1) | BR8207094A (OSRAM) |
| CA (1) | CA1206237A (OSRAM) |
| DD (1) | DD209555A5 (OSRAM) |
| DE (2) | DE3148886C1 (OSRAM) |
| ES (1) | ES518084A0 (OSRAM) |
| FI (1) | FI824200L (OSRAM) |
| GR (1) | GR77104B (OSRAM) |
| HK (1) | HK67990A (OSRAM) |
| HU (1) | HU184592B (OSRAM) |
| IN (1) | IN157468B (OSRAM) |
| IT (1) | IT1154391B (OSRAM) |
| MX (1) | MX151911A (OSRAM) |
| NO (1) | NO157839C (OSRAM) |
| NZ (1) | NZ202626A (OSRAM) |
| PH (1) | PH20311A (OSRAM) |
| PL (1) | PL141213B1 (OSRAM) |
| RO (1) | RO84971A (OSRAM) |
| SG (1) | SG2889G (OSRAM) |
| SU (1) | SU1210677A3 (OSRAM) |
| TR (1) | TR21922A (OSRAM) |
| YU (1) | YU43810B (OSRAM) |
| ZA (1) | ZA828846B (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3329779C2 (de) * | 1983-08-18 | 1985-06-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einem Vermittlungssystem |
| JPS60148263A (ja) * | 1984-01-12 | 1985-08-05 | Nippon Telegr & Teleph Corp <Ntt> | 会議電話方式 |
| JPS60204158A (ja) * | 1984-03-29 | 1985-10-15 | Nippon Telegr & Teleph Corp <Ntt> | 会議電話方式 |
| DE3427303A1 (de) * | 1984-07-20 | 1986-01-30 | Siemens AG, 1000 Berlin und 8000 München | Konferenzschaltung fuer digitale kommunikationssysteme |
| US4606021A (en) * | 1984-08-17 | 1986-08-12 | Itt Corporation | Digital conference circuit |
| JPS6190565A (ja) * | 1984-10-11 | 1986-05-08 | Iwatsu Electric Co Ltd | 会議通話方式 |
| US4658398A (en) * | 1984-10-29 | 1987-04-14 | Gte Laboratories Incorporated | Framed digital voice summing for teleconferencing |
| US4648089A (en) * | 1984-10-29 | 1987-03-03 | Gte Laboratories, Inc. | Digital voice summing for teleconferencing |
| US4686512A (en) * | 1985-03-01 | 1987-08-11 | Kabushiki Kaisha Toshiba | Integrated digital circuit for processing speech signal |
| US4716585A (en) * | 1985-04-05 | 1987-12-29 | Datapoint Corporation | Gain switched audio conferencing network |
| WO1996004744A1 (en) * | 1994-08-04 | 1996-02-15 | National Semiconductor Corporation | System and method for conducting conference calls in a communication system utilizing voice compression |
| US5483588A (en) * | 1994-12-23 | 1996-01-09 | Latitute Communications | Voice processing interface for a teleconference system |
| JP2007096555A (ja) * | 2005-09-28 | 2007-04-12 | Nec Corp | 音声会議システム、端末装置及びそれに用いる話者優先レベル制御方法並びにそのプログラム |
| US20070266092A1 (en) * | 2006-05-10 | 2007-11-15 | Schweitzer Edmund O Iii | Conferencing system with automatic identification of speaker |
| US8619963B2 (en) * | 2009-11-06 | 2013-12-31 | Freescale Semiconductor, Inc. | Conference call system, method, and computer program product |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2445094B2 (de) * | 1974-09-20 | 1978-03-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Konferenzverbindungen in einer PCM-ZeitmultipIex-Fernsprechvermittlungsanlage |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1301905A (OSRAM) * | 1970-06-04 | 1973-01-04 | ||
| US3883697A (en) * | 1973-10-18 | 1975-05-13 | Itt | Digital conference circuit |
| US3937898A (en) * | 1974-07-18 | 1976-02-10 | International Telephone And Telegraph Corporation | Digital conference bridge |
| US3984643A (en) * | 1975-04-24 | 1976-10-05 | Northern Electric Company Limited | Method and apparatus for establishing a plurality of simultaneous conferences in a PCM switching system |
| FR2332663A1 (fr) * | 1975-11-20 | 1977-06-17 | Labo Cent Telecommunicat | Circuit de conference pour reseau de commutation mic |
| US4076966A (en) * | 1976-08-02 | 1978-02-28 | Societa Italiana Telecomunicazioni Siemens S.P.A. | Method of and system for handling conference calls in digital telephone exchange |
| US4054757A (en) * | 1976-12-13 | 1977-10-18 | International Standard Electric Corporation | Conference circuit using PCM techniques |
| US4109111A (en) * | 1977-08-23 | 1978-08-22 | Digital Switch Corporation | Method and apparatus for establishing conference calls in a time division multiplex pulse code modulation switching system |
| US4153817A (en) * | 1977-11-25 | 1979-05-08 | Stromberg-Carlson Corporation | Digital conference circuit |
| US4190742A (en) * | 1978-06-05 | 1980-02-26 | Siemens Aktiengesellschaft | Process and apparatus for producing conference connections in a PCM time multiplex switching system |
| US4267593A (en) * | 1979-06-15 | 1981-05-12 | Wescom Switching, Inc. | Method and means for digital conferencing |
| JPS56157164A (en) * | 1980-05-07 | 1981-12-04 | Nec Corp | Conference system |
| US4387457A (en) * | 1981-06-12 | 1983-06-07 | Northern Telecom Limited | Digital conference circuit and method |
-
1981
- 1981-12-10 DE DE3148886A patent/DE3148886C1/de not_active Expired
-
1982
- 1982-11-06 AU AU91131/82A patent/AU553691B2/en not_active Ceased
- 1982-11-26 NZ NZ202626A patent/NZ202626A/en unknown
- 1982-11-30 US US06/445,629 patent/US4488291A/en not_active Expired - Lifetime
- 1982-12-01 ZA ZA828846A patent/ZA828846B/xx unknown
- 1982-12-02 IT IT24552/82A patent/IT1154391B/it active
- 1982-12-03 TR TR21922A patent/TR21922A/xx unknown
- 1982-12-06 NO NO824084A patent/NO157839C/no unknown
- 1982-12-07 DE DE8282111333T patent/DE3278453D1/de not_active Expired
- 1982-12-07 KR KR8205491A patent/KR880002168B1/ko not_active Expired
- 1982-12-07 HU HU823914A patent/HU184592B/hu unknown
- 1982-12-07 EP EP82111333A patent/EP0081799B1/de not_active Expired
- 1982-12-07 PH PH28240A patent/PH20311A/en unknown
- 1982-12-07 BR BR8207094A patent/BR8207094A/pt unknown
- 1982-12-07 FI FI824200A patent/FI824200L/fi not_active Application Discontinuation
- 1982-12-07 AT AT82111333T patent/ATE34058T1/de not_active IP Right Cessation
- 1982-12-07 DD DD82245652A patent/DD209555A5/de not_active IP Right Cessation
- 1982-12-08 RO RO82109259A patent/RO84971A/ro unknown
- 1982-12-09 SU SU823522504A patent/SU1210677A3/ru active
- 1982-12-09 GR GR70030A patent/GR77104B/el unknown
- 1982-12-09 JP JP57214754A patent/JPS58150357A/ja active Granted
- 1982-12-09 CA CA000417379A patent/CA1206237A/en not_active Expired
- 1982-12-09 YU YU2728/82A patent/YU43810B/xx unknown
- 1982-12-10 ES ES518084A patent/ES518084A0/es active Granted
- 1982-12-10 PL PL1982239455A patent/PL141213B1/pl unknown
- 1982-12-10 BE BE2/59949A patent/BE895315A/fr not_active IP Right Cessation
- 1982-12-10 MX MX195550A patent/MX151911A/es unknown
-
1983
- 1983-02-26 IN IN240/CAL/83A patent/IN157468B/en unknown
-
1989
- 1989-01-13 SG SG28/89A patent/SG2889G/en unknown
-
1990
- 1990-08-30 HK HK679/90A patent/HK67990A/xx not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2445094B2 (de) * | 1974-09-20 | 1978-03-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Konferenzverbindungen in einer PCM-ZeitmultipIex-Fernsprechvermittlungsanlage |
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of patent without earlier publication of application | ||
| D1 | Grant (no unexamined application published) patent law 81 | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |