NO151805C - Digital-fjernmeldingssystem - Google Patents
Digital-fjernmeldingssystemInfo
- Publication number
- NO151805C NO151805C NO802209A NO802209A NO151805C NO 151805 C NO151805 C NO 151805C NO 802209 A NO802209 A NO 802209A NO 802209 A NO802209 A NO 802209A NO 151805 C NO151805 C NO 151805C
- Authority
- NO
- Norway
- Prior art keywords
- telecommunications system
- digital telecommunications
- digital
- telecommunications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
-
- 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
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2930420A DE2930420C2 (de) | 1979-07-26 | 1979-07-26 | Digital-Fernmeldesystem |
Publications (3)
Publication Number | Publication Date |
---|---|
NO802209L NO802209L (no) | 1981-01-27 |
NO151805B NO151805B (no) | 1985-02-25 |
NO151805C true NO151805C (no) | 1985-06-12 |
Family
ID=6076884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO802209A NO151805C (no) | 1979-07-26 | 1980-07-23 | Digital-fjernmeldingssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US4375098A (fr) |
EP (1) | EP0023297B1 (fr) |
DE (1) | DE2930420C2 (fr) |
NO (1) | NO151805C (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3104514A1 (de) * | 1981-02-09 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und schaltungsanordnung zum uebertragen von datensignalen und signalisierungsinformationen zwischen datenendgeraeten, die ueber vermittlungsstellen eines fernmeldenetzes miteinander verbunden sind |
DE3107089A1 (de) * | 1981-02-25 | 1982-09-09 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur aufnahme und weiterleitung von mit relativ hoher geschwindigkeit auftretenden datensignalen in einem datenvermittlungsnetz |
FR2574203B1 (fr) * | 1984-11-30 | 1987-04-24 | Cit Alcatel | Procede de telesignalisation pour une liaison de transmission numerique et dispositif pour sa mise en oeuvre |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3686443A (en) * | 1971-01-04 | 1972-08-22 | Paul K Kavanaugh | Supervisory signalling in pcm telephone system |
FR2269158B1 (fr) * | 1974-04-26 | 1976-10-15 | Ibm France | |
US3909540A (en) * | 1974-09-03 | 1975-09-30 | Itt | Data and signaling multiplexing in PCM systems via the framing code |
DE2454090C2 (de) * | 1974-11-14 | 1976-09-23 | Siemens Ag | Vierdrahtig durchschaltendes, eine mehrstufige Umkehrgruppierung aufweisendes Koppelfeld |
FR2367399A1 (fr) * | 1976-10-05 | 1978-05-05 | Materiel Telephonique | Central telephonique a commutation temporelle comportant un dispositif d'emission de signaux de service |
DE2714134A1 (de) * | 1977-03-30 | 1978-10-12 | Siemens Ag | Kommunikationssystem zur digitalen uebertragung von sprachsignalen und anderen signalen |
DE2917572C2 (de) * | 1979-04-30 | 1981-04-09 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zum Betreiben von digitalen Hauptanschlüssen und/oder Nebenstellenanlagen an einer PCM-Vermittlungsstelle |
-
1979
- 1979-07-26 DE DE2930420A patent/DE2930420C2/de not_active Expired
-
1980
- 1980-07-02 US US06/165,297 patent/US4375098A/en not_active Expired - Lifetime
- 1980-07-10 EP EP80103987A patent/EP0023297B1/fr not_active Expired
- 1980-07-23 NO NO802209A patent/NO151805C/no unknown
Also Published As
Publication number | Publication date |
---|---|
DE2930420B1 (de) | 1980-10-09 |
EP0023297A1 (fr) | 1981-02-04 |
EP0023297B1 (fr) | 1983-08-24 |
NO802209L (no) | 1981-01-27 |
NO151805B (no) | 1985-02-25 |
DE2930420C2 (de) | 1988-12-01 |
US4375098A (en) | 1983-02-22 |
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