ES453929A1 - Un circuito para conferencia para una malla de conmutacion mic. - Google Patents
Un circuito para conferencia para una malla de conmutacion mic.Info
- Publication number
- ES453929A1 ES453929A1 ES453929A ES453929A ES453929A1 ES 453929 A1 ES453929 A1 ES 453929A1 ES 453929 A ES453929 A ES 453929A ES 453929 A ES453929 A ES 453929A ES 453929 A1 ES453929 A1 ES 453929A1
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- conference
- memory
- input
- linear
- 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
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7537102A FR2334244A1 (fr) | 1975-12-04 | 1975-12-04 | Circuit de conference pour reseau de commutation mic |
Publications (1)
Publication Number | Publication Date |
---|---|
ES453929A1 true ES453929A1 (es) | 1977-11-01 |
Family
ID=9163306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES453929A Expired ES453929A1 (es) | 1975-12-04 | 1976-12-03 | Un circuito para conferencia para una malla de conmutacion mic. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE848969R (es) |
ES (1) | ES453929A1 (es) |
FR (1) | FR2334244A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2811466C3 (de) * | 1978-03-16 | 1981-01-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Konferenzverbindungen in einem PCM-Zeitmultiplexvermittlungssystem |
US4190742A (en) * | 1978-06-05 | 1980-02-26 | Siemens Aktiengesellschaft | Process and apparatus for producing conference connections in a PCM time multiplex switching system |
FR2472318B1 (fr) * | 1979-12-18 | 1986-07-18 | Telecommunications Sa | Systeme de conference telephonique |
GB8301323D0 (en) * | 1983-01-18 | 1983-02-16 | Plessey Co Plc | Conference bridge |
-
1975
- 1975-12-04 FR FR7537102A patent/FR2334244A1/fr active Granted
-
1976
- 1976-12-02 BE BE2055501A patent/BE848969R/xx not_active IP Right Cessation
- 1976-12-03 ES ES453929A patent/ES453929A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2334244B1 (es) | 1979-07-13 |
FR2334244A1 (fr) | 1977-07-01 |
BE848969R (fr) | 1977-06-02 |
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