IT1064278B - Circuito di conferenza per rete di commutazione usante una modulazione in codice di impulsi - Google Patents
Circuito di conferenza per rete di commutazione usante una modulazione in codice di impulsiInfo
- Publication number
- IT1064278B IT1064278B IT2940176A IT2940176A IT1064278B IT 1064278 B IT1064278 B IT 1064278B IT 2940176 A IT2940176 A IT 2940176A IT 2940176 A IT2940176 A IT 2940176A IT 1064278 B IT1064278 B IT 1064278B
- Authority
- IT
- Italy
- Prior art keywords
- switching network
- code modulation
- conference circuit
- impulse code
- impulse
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7535467A FR2332663A1 (fr) | 1975-11-20 | 1975-11-20 | Circuit de conference pour reseau de commutation mic |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1064278B true IT1064278B (it) | 1985-02-18 |
Family
ID=9162663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2940176A IT1064278B (it) | 1975-11-20 | 1976-11-17 | Circuito di conferenza per rete di commutazione usante una modulazione in codice di impulsi |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE848460A (ja) |
BR (1) | BR7607674A (ja) |
ES (1) | ES453481A1 (ja) |
FR (1) | FR2332663A1 (ja) |
GB (1) | GB1521209A (ja) |
IT (1) | IT1064278B (ja) |
Families Citing this family (9)
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 |
USRE31651E (en) * | 1977-10-12 | 1984-08-21 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
FR2472318B1 (fr) * | 1979-12-18 | 1986-07-18 | Telecommunications Sa | Systeme de conference telephonique |
CA1151327A (en) * | 1981-06-08 | 1983-08-02 | Ernst A. Munter | Digital conference circuit and method |
US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
DE3148886C1 (de) * | 1981-12-10 | 1983-08-11 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung |
NL8201058A (nl) * | 1982-03-15 | 1983-10-03 | Philips Nv | Werkwijze en inrichting voor het tot stand brengen van een conferentieverbinding in een tdm communicatiestelsel. |
GB2128448B (en) * | 1982-10-08 | 1985-11-13 | Standard Telephones Cables Ltd | Telephone exchange conference circuit |
GB2134751B (en) * | 1983-01-18 | 1986-07-30 | Plessey Co Plc | Conference bridge |
-
1975
- 1975-11-20 FR FR7535467A patent/FR2332663A1/fr active Granted
-
1976
- 1976-11-16 GB GB4767776A patent/GB1521209A/en not_active Expired
- 1976-11-17 BR BR7607674A patent/BR7607674A/pt unknown
- 1976-11-17 IT IT2940176A patent/IT1064278B/it active
- 1976-11-18 BE BE2055461A patent/BE848460A/xx not_active IP Right Cessation
- 1976-11-19 ES ES453481A patent/ES453481A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE848460A (fr) | 1977-05-18 |
ES453481A1 (es) | 1977-11-16 |
FR2332663A1 (fr) | 1977-06-17 |
BR7607674A (pt) | 1977-10-04 |
FR2332663B1 (ja) | 1979-07-27 |
GB1521209A (en) | 1978-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1071261B (it) | Rete di telecomunicazione | |
DK193876A (da) | Fremgangsmade til fremstilling af polypeptid | |
SE428052B (sv) | Kopplingsorgan | |
SE7505826L (sv) | Omkopplingskrets | |
IT1064278B (it) | Circuito di conferenza per rete di commutazione usante una modulazione in codice di impulsi | |
BE856300A (fr) | Agencement de commutation | |
IT1067430B (it) | Interruttore pluripolare di massima corrente | |
IT1058605B (it) | Interruttore di potenza limitatore di corrente | |
IT1114415B (it) | Rete di commutazione modulare | |
FR2313816A1 (fr) | Circuit perfectionne de commutation de puissance | |
NL7606570A (nl) | Abonneenetwerk. | |
SE408357B (sv) | Omkopplingskrets | |
FR2337932A1 (fr) | Appareil de commutation electrique, notamment a commutation temporelle | |
IT1100505B (it) | Circuito conferenza a 3 ingressi,particolarmente per l'impiego in una centrale telefonica privata | |
FR2329110A1 (fr) | Circuit de commutation | |
NL7612743A (nl) | Meer-traps schakelnetwerk. | |
IT1058871B (it) | Apparecchio di commutazione | |
SE399485B (sv) | Omkopplingskrets | |
BE842159A (fr) | Dispositif de commutation | |
AR209981A1 (es) | Circuito para conversacion,para centrales telefonicas de conmutacion de tipo numerico | |
IT1036322B (it) | Procedimento di telecomunicazione tra una pluralita di stazione tra una pluralita di stazione di utenti in un circuito anjlare | |
FR2312162A1 (fr) | Centre de commutation numerique | |
NL7508182A (nl) | Schakelcircuit. | |
SE7606456L (sv) | Deltamodulationskodningsanordning | |
FR2336844A1 (fr) | Dispositif de commutation de telecommunications |