IT1059227B - METHOD AND APPEARS OR TO ESTABLISH A MULTIPLE OF SIMULTANEOUS CONFERENCES IN A CODED IMPULSIVE MODULAZOONE SWITCHING SYSTEM - Google Patents
METHOD AND APPEARS OR TO ESTABLISH A MULTIPLE OF SIMULTANEOUS CONFERENCES IN A CODED IMPULSIVE MODULAZOONE SWITCHING SYSTEMInfo
- Publication number
- IT1059227B IT1059227B IT22482/76A IT2248276A IT1059227B IT 1059227 B IT1059227 B IT 1059227B IT 22482/76 A IT22482/76 A IT 22482/76A IT 2248276 A IT2248276 A IT 2248276A IT 1059227 B IT1059227 B IT 1059227B
- Authority
- IT
- Italy
- Prior art keywords
- modulazoone
- impulsive
- coded
- establish
- appears
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 (1)
Publication Number | Publication Date |
---|---|
IT1059227B true IT1059227B (en) | 1982-05-31 |
Family
ID=4102890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22482/76A IT1059227B (en) | 1975-04-23 | 1976-04-20 | METHOD AND APPEARS OR TO ESTABLISH A MULTIPLE OF SIMULTANEOUS CONFERENCES IN A CODED IMPULSIVE MODULAZOONE SWITCHING SYSTEM |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5916459B2 (en) |
BE (1) | BE841099A (en) |
CA (1) | CA1027265A (en) |
DE (1) | DE2617344C2 (en) |
DK (1) | DK156866C (en) |
ES (1) | ES447276A1 (en) |
FR (1) | FR2309086A1 (en) |
GB (1) | GB1529106A (en) |
IE (1) | IE43367B1 (en) |
IT (1) | IT1059227B (en) |
NL (1) | NL7604258A (en) |
NO (1) | NO761343L (en) |
SE (1) | SE420556B (en) |
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 (en) * | 1979-11-21 | 1988-06-24 | Int Standard Electric Corp | DIGITAL TELECOMMUNICATIONS SWITCHING SYSTEM CAPABLE OF ESTABLISHING MULTILATERAL TELECONFERENCE AND SELECTIVE INFORMATION OR SIGNAL BROADCAST CONNECTIONS |
FR2475328B1 (en) * | 1979-11-21 | 1988-06-24 | Int Standard Electric Corp | DIGITAL TELECOMMUNICATIONS SWITCHING SYSTEM PROVIDED WITH CONFERENCE CONNECTION MEANS OF ONE OR MORE GROUPS OF TERMINALS |
DE3005739C2 (en) * | 1980-02-15 | 1988-11-10 | Nixdorf Computer Ag, 4790 Paderborn | Method for controlling the transmission of PCM signals between connection points of a PCM time division multiplex telecommunications network in a conference operation and circuit arrangement for carrying out the method |
US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
DE3147492A1 (en) * | 1981-12-01 | 1983-06-09 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Circuit arrangement for setting up conference connections in telecommunications exchanges, in particular telephone exchanges, with digital through-connection using the PCM method |
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 (en) * | 1982-09-28 | 1989-06-30 | Thomson Csf Mat Tel | MULTIPLE CONFERENCE DEVICE FOR MIC TIME STICKERS WITH CONNECTION NETWORK |
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 (en) * | 1984-05-30 | 1985-12-14 | Fujitsu Ltd | Exchange system containing conference call function |
JPS6190564A (en) * | 1984-10-11 | 1986-05-08 | Iwatsu Electric Co Ltd | Conference calling system |
JPS61123800U (en) * | 1985-01-21 | 1986-08-04 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1547633A (en) * | 1967-10-16 | 1968-11-29 | Labo Cent Telecommunicat | Circuit for adding binary numbers from non-linear signal coding |
US3551600A (en) * | 1968-02-23 | 1970-12-29 | Stromberg Carlson Corp | High capacity,high side-tone suppression,4-wire conference circuit |
FR1602502A (en) * | 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 (en) * | 1970-09-30 | 1975-10-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange |
-
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/en active
- 1976-04-21 NO NO761343A patent/NO761343L/no unknown
- 1976-04-21 DE DE2617344A patent/DE2617344C2/en not_active Expired
- 1976-04-21 JP JP51044518A patent/JPS5916459B2/en not_active Expired
- 1976-04-22 NL NL7604258A patent/NL7604258A/en not_active Application Discontinuation
- 1976-04-22 DK DK181676A patent/DK156866C/en not_active IP Right Cessation
- 1976-04-22 IE IE854/76A patent/IE43367B1/en unknown
- 1976-04-23 FR FR7612173A patent/FR2309086A1/en active Granted
- 1976-04-23 SE SE7604727A patent/SE420556B/en not_active IP Right Cessation
- 1976-04-23 BE BE166445A patent/BE841099A/en unknown
- 1976-04-23 ES ES447276A patent/ES447276A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK181676A (en) | 1976-10-24 |
DK156866C (en) | 1990-02-26 |
GB1529106A (en) | 1978-10-18 |
BE841099A (en) | 1976-08-16 |
JPS5916459B2 (en) | 1984-04-16 |
SE7604727L (en) | 1976-10-24 |
IE43367B1 (en) | 1981-02-11 |
JPS51135405A (en) | 1976-11-24 |
DE2617344A1 (en) | 1976-11-04 |
FR2309086A1 (en) | 1976-11-19 |
DE2617344C2 (en) | 1986-07-17 |
FR2309086B1 (en) | 1982-08-20 |
CA1027265A (en) | 1978-02-28 |
SE420556B (en) | 1981-10-12 |
NO761343L (en) | 1976-10-26 |
DK156866B (en) | 1989-10-09 |
ES447276A1 (en) | 1977-07-01 |
IE43367L (en) | 1976-10-23 |
NL7604258A (en) | 1976-10-26 |
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