FI824200L - Foerfarande och krets foer uppkoppling av en telefonkonferens - Google Patents
Foerfarande och krets foer uppkoppling av en telefonkonferensInfo
- Publication number
- FI824200L FI824200L FI824200A FI824200A FI824200L FI 824200 L FI824200 L FI 824200L FI 824200 A FI824200 A FI 824200A FI 824200 A FI824200 A FI 824200A FI 824200 L FI824200 L FI 824200L
- Authority
- FI
- Finland
- Prior art keywords
- speech samples
- participants
- uppkoppling
- telefonkonferens
- adder
- Prior art date
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)
- Interface Circuits In Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Gyroscopes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Control Of El Displays (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Exchange Systems With Centralized Control (AREA)
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 (3)
| Publication Number | Publication Date |
|---|---|
| FI824200A0 FI824200A0 (fi) | 1982-12-07 |
| FI824200L true FI824200L (fi) | 1983-06-11 |
| FI824200A7 FI824200A7 (fi) | 1983-06-11 |
Family
ID=6148353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI824200A FI824200A7 (fi) | 1981-12-10 | 1982-12-07 | Menetelmä ja piiri puhelinneuvottelun pystyttämiseksi. |
Country Status (29)
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 |
| US4648089A (en) * | 1984-10-29 | 1987-03-03 | Gte Laboratories, Inc. | Digital voice summing for teleconferencing |
| US4658398A (en) * | 1984-10-29 | 1987-04-14 | Gte Laboratories Incorporated | Framed 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 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1301905A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 |
| DE2445094C3 (de) * | 1974-09-20 | 1978-11-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Konferenzverbindungen in einer PCM-Zeitmultiplex-Fernsprechvermittlungsanlage |
| 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 HU HU823914A patent/HU184592B/hu unknown
- 1982-12-07 DE DE8282111333T patent/DE3278453D1/de not_active Expired
- 1982-12-07 FI FI824200A patent/FI824200A7/fi not_active Application Discontinuation
- 1982-12-07 PH PH28240A patent/PH20311A/en unknown
- 1982-12-07 EP EP82111333A patent/EP0081799B1/de not_active Expired
- 1982-12-07 AT AT82111333T patent/ATE34058T1/de not_active IP Right Cessation
- 1982-12-07 KR KR8205491A patent/KR880002168B1/ko not_active Expired
- 1982-12-07 DD DD82245652A patent/DD209555A5/de not_active IP Right Cessation
- 1982-12-07 BR BR8207094A patent/BR8207094A/pt unknown
- 1982-12-08 RO RO82109259A patent/RO84971A/ro unknown
- 1982-12-09 CA CA000417379A patent/CA1206237A/en not_active Expired
- 1982-12-09 YU YU2728/82A patent/YU43810B/xx unknown
- 1982-12-09 JP JP57214754A patent/JPS58150357A/ja active Granted
- 1982-12-09 SU SU823522504A patent/SU1210677A3/ru active
- 1982-12-09 GR GR70030A patent/GR77104B/el unknown
- 1982-12-10 MX MX195550A patent/MX151911A/es unknown
- 1982-12-10 BE BE2/59949A patent/BE895315A/fr not_active IP Right Cessation
- 1982-12-10 PL PL1982239455A patent/PL141213B1/pl unknown
- 1982-12-10 ES ES518084A patent/ES8308667A1/es not_active Expired
-
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
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI824200A0 (fi) | Foerfarande och krets foer uppkoppling av en telefonkonferens | |
| JPS57152072A (en) | Audio response/video retrieval composite processing system | |
| JP3179641B2 (ja) | ループ型音声会議回路 | |
| GB2082875A (en) | Conference bridge circuit arrangements | |
| JPS54159807A (en) | Block companding coding and decoding unit | |
| JPS5733876A (en) | Digital video signal processing system | |
| JPS55137760A (en) | Conference service system | |
| Gosewinckel | Submarine Cables as an Integral Part of the World's Telecommunications Network | |
| JPS5750165A (en) | Conference telephone system | |
| JPS56149196A (en) | Many-subscribers calling device | |
| JPH06169349A (ja) | Ｎ−１加算方式 | |
| FR2592541A1 (fr) | Terminal telephonique de teleconference. | |
| JPH0495451A (ja) | 会議通話装置 | |
| JPS54134907A (en) | Connectin control system for echo suppressor | |
| JPS6128228A (ja) | 会議電話システム用無通話制御装置 | |
| JPS56149861A (en) | Priority giving system of digital service equipment for conference | |
| JPS5783959A (en) | Voice conference system using time-division multiple circuit | |
| ES8500535A1 (es) | Aparato canalizador de llamadas telefonicas. | |
| JPS634749A (ja) | 電話機 | |
| NZ198093A (en) | Digital pcm conference circuit:supression of talker's own voice and noise | |
| DE3800778A1 (de) | Fernsprechapparat mit zwei handapparaten | |
| JPH01120948A (ja) | 会議通話装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA | Application withdrawn [patent] |
Owner name: INTERNATIONAL STANDARD ELECTRIC CO |