DK156866C - Fremgangsmaade og apparat til etablering af et antal simultane konferenceforbindelser i et pcm-tidsmultiplekssystem - Google Patents
Fremgangsmaade og apparat til etablering af et antal simultane konferenceforbindelser i et pcm-tidsmultiplekssystemInfo
- Publication number
- DK156866C DK156866C DK181676A DK181676A DK156866C DK 156866 C DK156866 C DK 156866C DK 181676 A DK181676 A DK 181676A DK 181676 A DK181676 A DK 181676A DK 156866 C DK156866 C DK 156866C
- Authority
- DK
- Denmark
- Prior art keywords
- simultanef
- establishing
- procedure
- multiple system
- time multiple
- 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
- 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)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA225276 | 1975-04-23 | ||
| CA225,276A CA1027265A (en) | 1975-04-23 | 1975-04-23 | Method and apparatus for establishing a plurality of simultaneous conferences in a pcm switching system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK181676A DK181676A (da) | 1976-10-24 |
| DK156866B DK156866B (da) | 1989-10-09 |
| DK156866C true DK156866C (da) | 1990-02-26 |
Family
ID=4102890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK181676A DK156866C (da) | 1975-04-23 | 1976-04-22 | Fremgangsmaade og apparat til etablering af et antal simultane konferenceforbindelser i et pcm-tidsmultiplekssystem |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5916459B2 (enExample) |
| BE (1) | BE841099A (enExample) |
| CA (1) | CA1027265A (enExample) |
| DE (1) | DE2617344C2 (enExample) |
| DK (1) | DK156866C (enExample) |
| ES (1) | ES447276A1 (enExample) |
| FR (1) | FR2309086A1 (enExample) |
| GB (1) | GB1529106A (enExample) |
| IE (1) | IE43367B1 (enExample) |
| IT (1) | IT1059227B (enExample) |
| NL (1) | NL7604258A (enExample) |
| NO (1) | NO761343L (enExample) |
| SE (1) | SE420556B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112258A (en) * | 1977-10-12 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
| FR2470495B1 (fr) * | 1979-11-21 | 1988-06-24 | Int Standard Electric Corp | Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux |
| FR2475328B1 (fr) * | 1979-11-21 | 1988-06-24 | Int Standard Electric Corp | Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux |
| DE3005739C2 (de) * | 1980-02-15 | 1988-11-10 | Nixdorf Computer Ag, 4790 Paderborn | Verfahren zur Steuerung der Übertragung von PCM-Signalen zwischen Anschlußstellen eines PCM-Zeitmultiplex-Fernmeldenetzes in einem Konferenzbetrieb und Schaltungsanordnung zur Druchführung des Verfahrens |
| US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
| DE3147492A1 (de) * | 1981-12-01 | 1983-06-09 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung zum herstellen von konferenzverbindungen in digital nach dem pcm-verfahren durchschaltenden fernmelde-, insbesondere fernsprechvermittlungsanlagen |
| US4430734A (en) * | 1981-12-14 | 1984-02-07 | Bell Telephone Laboratories, Incorporated | Demultiplexer circuit |
| US4485469A (en) * | 1982-08-30 | 1984-11-27 | At&T Bell Laboratories | Time slot interchanger |
| FR2533784B1 (fr) * | 1982-09-28 | 1989-06-30 | Thomson Csf Mat Tel | Dispositif de conferences multiples pour autocommutateur temporel mic avec reseau de connexion |
| GB2128448B (en) * | 1982-10-08 | 1985-11-13 | Standard Telephones Cables Ltd | Telephone exchange conference circuit |
| GB8301323D0 (en) * | 1983-01-18 | 1983-02-16 | Plessey Co Plc | Conference bridge |
| GB2134751B (en) * | 1983-01-18 | 1986-07-30 | Plessey Co Plc | Conference bridge |
| GB8324058D0 (en) * | 1983-09-08 | 1983-10-12 | Plessey Co Plc | Conference bridge circuit arrangement |
| JPS60253361A (ja) * | 1984-05-30 | 1985-12-14 | Fujitsu Ltd | 会議通話機能を有する交換システム |
| JPS6190564A (ja) * | 1984-10-11 | 1986-05-08 | Iwatsu Electric Co Ltd | 会議通話方式 |
| JPS61123800U (enExample) * | 1985-01-21 | 1986-08-04 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1547633A (fr) * | 1967-10-16 | 1968-11-29 | Labo Cent Telecommunicat | Circuit d'addition de nombres binaires provenant du codage non linéaire de signaux |
| US3551600A (en) * | 1968-02-23 | 1970-12-29 | Stromberg Carlson Corp | High capacity,high side-tone suppression,4-wire conference circuit |
| FR1602502A (enExample) * | 1968-04-11 | 1970-12-21 | ||
| US3604855A (en) * | 1970-01-02 | 1971-09-14 | Stromberg Carlson Corp | Digital conference circuit for pcm signalling system |
| DE2048198C2 (de) * | 1970-09-30 | 1975-10-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einer PCM-Fernmelde-, insbesondere Fernsprechvermittlungsstelle |
-
1975
- 1975-04-23 CA CA225,276A patent/CA1027265A/en not_active Expired
-
1976
- 1976-04-02 GB GB13469/76A patent/GB1529106A/en not_active Expired
- 1976-04-20 IT IT22482/76A patent/IT1059227B/it active
- 1976-04-21 NO NO761343A patent/NO761343L/no unknown
- 1976-04-21 DE DE2617344A patent/DE2617344C2/de not_active Expired
- 1976-04-21 JP JP51044518A patent/JPS5916459B2/ja not_active Expired
- 1976-04-22 IE IE854/76A patent/IE43367B1/en unknown
- 1976-04-22 NL NL7604258A patent/NL7604258A/xx not_active Application Discontinuation
- 1976-04-22 DK DK181676A patent/DK156866C/da not_active IP Right Cessation
- 1976-04-23 BE BE166445A patent/BE841099A/xx unknown
- 1976-04-23 ES ES447276A patent/ES447276A1/es not_active Expired
- 1976-04-23 SE SE7604727A patent/SE420556B/xx not_active IP Right Cessation
- 1976-04-23 FR FR7612173A patent/FR2309086A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE420556B (sv) | 1981-10-12 |
| NL7604258A (nl) | 1976-10-26 |
| IE43367L (en) | 1976-10-23 |
| FR2309086B1 (enExample) | 1982-08-20 |
| GB1529106A (en) | 1978-10-18 |
| IE43367B1 (en) | 1981-02-11 |
| DK156866B (da) | 1989-10-09 |
| SE7604727L (sv) | 1976-10-24 |
| JPS51135405A (en) | 1976-11-24 |
| BE841099A (fr) | 1976-08-16 |
| DK181676A (da) | 1976-10-24 |
| CA1027265A (en) | 1978-02-28 |
| DE2617344A1 (de) | 1976-11-04 |
| ES447276A1 (es) | 1977-07-01 |
| DE2617344C2 (de) | 1986-07-17 |
| FR2309086A1 (fr) | 1976-11-19 |
| IT1059227B (it) | 1982-05-31 |
| NO761343L (enExample) | 1976-10-26 |
| JPS5916459B2 (ja) | 1984-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |