ES404703A1 - Mejoras en los sistemas telefonicos con trafico de datos. - Google Patents
Mejoras en los sistemas telefonicos con trafico de datos.Info
- Publication number
- ES404703A1 ES404703A1 ES404703A ES404703A ES404703A1 ES 404703 A1 ES404703 A1 ES 404703A1 ES 404703 A ES404703 A ES 404703A ES 404703 A ES404703 A ES 404703A ES 404703 A1 ES404703 A1 ES 404703A1
- Authority
- ES
- Spain
- Prior art keywords
- data
- traffic
- data traffic
- telephone system
- telephone
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712134350 DE2134350C2 (de) | 1971-07-09 | 1971-07-09 | Fernsprechanlage mit Datenverkehr |
Publications (1)
Publication Number | Publication Date |
---|---|
ES404703A1 true ES404703A1 (es) | 1975-06-16 |
Family
ID=5813204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES404703A Expired ES404703A1 (es) | 1971-07-09 | 1972-07-08 | Mejoras en los sistemas telefonicos con trafico de datos. |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT330253B (de) |
AU (1) | AU463795B2 (de) |
BE (1) | BE786045A (de) |
DE (1) | DE2134350C2 (de) |
ES (1) | ES404703A1 (de) |
FR (1) | FR2145947A5 (de) |
GB (1) | GB1351717A (de) |
IT (1) | IT962473B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT980651B (it) * | 1973-03-21 | 1974-10-10 | Cselt Centro Studi Lab Telecom | Sistema elettronico centralizzato di commutazione di segnali tele fonici e dati ad alta velocita |
DE2837654A1 (de) * | 1978-08-29 | 1980-03-13 | Siemens Ag | Schaltungsanordnung fuer fernsprechvermittlungssysteme, insbesondere fernsprechnebenstellenanlagen, mit zusaetzlichem datenverkehr, z.b. mit fernschreibern |
FR2441307A1 (fr) * | 1978-11-04 | 1980-06-06 | Gl Inf Vychislite | Procede de commutation automatique dans un reseau de liaisonset centre de commutation mettant en oeuvre ledit procede |
DE2912649C2 (de) * | 1979-03-30 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Übertragung von digitalen Signalen zwischen mit unterschiedlichen Datenübertragungsprozeduren und mit unterschiedlichen Datenformaten arbeitenden Sende- und/oder Empfangseinrichtungen über eine Vermittlungsanlage |
DE2938750A1 (de) * | 1979-09-25 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur uebertragung von digitalen signalen zwischen mit unterschiedlichen datenuebertragungsprozeduren und mit unterschiedlichen datenformaten arbeitenden sende- und/oder empfangseinrichtungen |
GB2098027B (en) * | 1981-04-30 | 1984-11-28 | Standard Telephones Cables Ltd | Telephone exchange |
US4532377A (en) * | 1983-07-18 | 1985-07-30 | At&T Information Systems Inc. | Data call transfer |
US4535199A (en) * | 1983-07-18 | 1985-08-13 | At&T Information Systems Inc. | Data call transfer preindication |
DE3416826C1 (de) * | 1984-05-07 | 1985-09-12 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Durchführung des Datenverkehrs in einer digitalen, zeitmultiplexen Fernmelde-, insbesondere Fernsprechvermittlungsanlage |
ATE61897T1 (de) * | 1985-01-17 | 1991-04-15 | Siemens Ag | Verfahren zur zeichenuebertragung zwischen einer datenverarbeitungsanlage und einer fernsprechvermittlungsanlage, insbesondere einer fernsprechnebenstellenanlage. |
FR2646303B1 (fr) * | 1989-04-25 | 1994-03-18 | Alcatel Cit | Adaptateur de communication pour terminal de teleaction |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1920677B1 (de) * | 1969-04-23 | 1970-04-23 | Siemens Ag | Schaltungsanordnung fuer Fernmeldeanlagen,in denen Verbindungswege fuer verschiedene Arten der Nachrichtenuebermittlung benutzbar sind |
-
0
- BE BE786045D patent/BE786045A/xx unknown
-
1971
- 1971-07-09 DE DE19712134350 patent/DE2134350C2/de not_active Expired
-
1972
- 1972-06-29 AU AU44046/72A patent/AU463795B2/en not_active Expired
- 1972-07-06 IT IT2668072A patent/IT962473B/it active
- 1972-07-06 GB GB3166472A patent/GB1351717A/en not_active Expired
- 1972-07-07 FR FR7224600A patent/FR2145947A5/fr not_active Expired
- 1972-07-07 AT AT583472A patent/AT330253B/de not_active IP Right Cessation
- 1972-07-08 ES ES404703A patent/ES404703A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2145947A5 (de) | 1973-02-23 |
IT962473B (it) | 1973-12-20 |
DE2134350A1 (de) | 1973-03-15 |
BE786045A (fr) | 1973-01-10 |
ATA583472A (de) | 1975-09-15 |
GB1351717A (en) | 1974-05-01 |
AU4404672A (en) | 1974-01-03 |
DE2134350C2 (de) | 1982-02-11 |
AT330253B (de) | 1976-06-25 |
AU463795B2 (en) | 1975-08-07 |
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