IT1118433B - Autocommutatore telefonico numerico per aree a bassa densita' d'utenza - Google Patents
Autocommutatore telefonico numerico per aree a bassa densita' d'utenzaInfo
- Publication number
- IT1118433B IT1118433B IT67544/79A IT6754479A IT1118433B IT 1118433 B IT1118433 B IT 1118433B IT 67544/79 A IT67544/79 A IT 67544/79A IT 6754479 A IT6754479 A IT 6754479A IT 1118433 B IT1118433 B IT 1118433B
- Authority
- IT
- Italy
- Prior art keywords
- switch
- low density
- density areas
- telephone self
- numerical
- Prior art date
Links
Classifications
-
- 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
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67544/79A IT1118433B (it) | 1979-03-15 | 1979-03-15 | Autocommutatore telefonico numerico per aree a bassa densita' d'utenza |
CA000345143A CA1135820A (en) | 1979-03-15 | 1980-02-06 | Digital telephone exchange for areas of low subscriber's density |
JP3043180A JPS55124387A (en) | 1979-03-15 | 1980-03-12 | Digital telephone exchange for subscriber*s low density region |
EP80101327A EP0016426B1 (en) | 1979-03-15 | 1980-03-14 | Digital telephone exchange |
DE8080101327T DE3068846D1 (en) | 1979-03-15 | 1980-03-14 | Digital telephone exchange |
US06/275,020 US4356563A (en) | 1979-03-15 | 1981-06-18 | Automatic digital telephone exchange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67544/79A IT1118433B (it) | 1979-03-15 | 1979-03-15 | Autocommutatore telefonico numerico per aree a bassa densita' d'utenza |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7967544A0 IT7967544A0 (it) | 1979-03-15 |
IT1118433B true IT1118433B (it) | 1986-03-03 |
Family
ID=11303309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67544/79A IT1118433B (it) | 1979-03-15 | 1979-03-15 | Autocommutatore telefonico numerico per aree a bassa densita' d'utenza |
Country Status (6)
Country | Link |
---|---|
US (1) | US4356563A (it) |
EP (1) | EP0016426B1 (it) |
JP (1) | JPS55124387A (it) |
CA (1) | CA1135820A (it) |
DE (1) | DE3068846D1 (it) |
IT (1) | IT1118433B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2503513A1 (fr) * | 1981-04-03 | 1982-10-08 | Cit Alcatel | Autocommutateur temporel a commande repartie |
US4456991A (en) * | 1981-09-18 | 1984-06-26 | International Telephone And Telegraph Corporation | Telephone line circuit and system |
FR2513471A1 (fr) * | 1981-09-18 | 1983-03-25 | Cit Alcatel | Dispositif de distribution de signaux pour autocommutateur temporel |
FR2513470B1 (fr) * | 1981-09-18 | 1986-02-21 | Cit Alcatel | Groupe d'unites de terminaux pour autocommutateur numerique |
US4504942A (en) * | 1982-04-22 | 1985-03-12 | International Telephone And Telegraph Corporation | Line switch having distributed processing |
US4527266A (en) * | 1982-04-22 | 1985-07-02 | International Telephone And Telegraph Corporation | Interface circuit for use in a distributed processing switch unit |
DE3377565D1 (en) * | 1982-12-22 | 1988-09-01 | Siemens Ag | Communications installation, in particular a private branch exchange with subscriber and trunk groups and interface modules |
GB2143403B (en) * | 1983-07-15 | 1986-10-29 | Standard Telephones Cables Ltd | Telecommunication exchange |
USRE34896E (en) * | 1985-12-04 | 1995-04-04 | International Business Machines Corporation | Multiplex interface for a communication controller |
DE3578240D1 (de) * | 1985-12-04 | 1990-07-19 | Ibm | Multiplexschnittstelle fuer eine uebertragungssteuerung. |
DE59108231D1 (de) * | 1991-05-08 | 1996-10-31 | Siemens Ag | Steuerungsanordnung für ein Breitbandvermittlungssystem |
US5610912A (en) * | 1994-08-01 | 1997-03-11 | British Telecommunications Public Limited Company | Switching in a telecommunications service node |
JPH09233181A (ja) * | 1996-02-21 | 1997-09-05 | Fujitsu Ltd | V5インタフェースの構成方式 |
US6038228A (en) * | 1997-04-15 | 2000-03-14 | Alcatel Usa Sourcing, L.P. | Processing call information within a telecommunications network |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1300421A (en) * | 1969-04-14 | 1972-12-20 | Marconi Co Ltd | Improvements in or relating to data transmission arrangements |
US3974343A (en) * | 1975-01-10 | 1976-08-10 | North Electric Company | Small modular communications switching system with distributed programmable control |
DE2621603C3 (de) * | 1976-05-14 | 1978-11-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur unabhängigen Übertragung von PCM-Nachrichtenwörtern und Signalisierungswörtern zwischen einer Teilnehmerstelle und einer Vermittlungsstelle |
US4074072A (en) * | 1976-05-24 | 1978-02-14 | Bell Telephone Laboratories, Incorporated | Multiprocessor control of a partitioned switching network by control communication through the network |
US4256926A (en) * | 1976-10-21 | 1981-03-17 | Wescom Switching, Inc. | Microprocessor control complex for a telecommunication switching system |
US4201891A (en) * | 1978-03-17 | 1980-05-06 | International Telephone And Telegraph Corporation | Expandable digital switching network |
GB1583633A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Distributed control for switching system |
DE2909762C2 (de) * | 1978-03-17 | 1986-11-13 | International Standard Electric Corp., New York, N.Y. | PCM-Fernmeldevermittlungsanlage |
-
1979
- 1979-03-15 IT IT67544/79A patent/IT1118433B/it active
-
1980
- 1980-02-06 CA CA000345143A patent/CA1135820A/en not_active Expired
- 1980-03-12 JP JP3043180A patent/JPS55124387A/ja active Pending
- 1980-03-14 DE DE8080101327T patent/DE3068846D1/de not_active Expired
- 1980-03-14 EP EP80101327A patent/EP0016426B1/en not_active Expired
-
1981
- 1981-06-18 US US06/275,020 patent/US4356563A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT7967544A0 (it) | 1979-03-15 |
DE3068846D1 (en) | 1984-09-13 |
EP0016426B1 (en) | 1984-08-08 |
US4356563A (en) | 1982-10-26 |
CA1135820A (en) | 1982-11-16 |
EP0016426A1 (en) | 1980-10-01 |
JPS55124387A (en) | 1980-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1198340B (it) | Unita' a bobina | |
FR2431746B1 (fr) | Systemes magnetiques d'enregistrement/restitution | |
DE3067156D1 (en) | A heterojunction semiconductor laser | |
JPS5533195A (en) | Improved photopolymerizable recording material | |
IT1193899B (it) | Pultiore automatico di cilindro caucciu' | |
IT1132439B (it) | Apparato interruttore a rele' | |
IT1118433B (it) | Autocommutatore telefonico numerico per aree a bassa densita' d'utenza | |
IT1138495B (it) | Unita'innesto-freno | |
IT1075391B (it) | Metodo per la produzione di polietilene a bassa densita' | |
FI800881A (fi) | Antibioten a/16686 och ett foerfarande foer dess framstaellning | |
JPS54110630A (en) | Fence for preventing pollution | |
HK49189A (en) | A telephone set | |
BE881400A (fr) | Perfectionnements a l'autoradiographie. | |
BE880517Q (fr) | Distributeur d'aerosol | |
MA18770A1 (fr) | Nouveaux composes lepidoptericides a base d'isothiourees | |
BE862591A (fr) | Melanges de polyols stables a l'emmagasinage | |
IT1139256B (it) | Ugello d'iniezione di combustibile | |
FR2460078B1 (fr) | Joncteur d'abonne electronique | |
BE883195A (fr) | Circuit pour ligne d'abonne | |
IT1133703B (it) | Unita' portante | |
IT8047827A0 (it) | Apparecchiatura per l'adduzione di filo di saldatura a grandi distanze | |
IT8049578A0 (it) | Connettore elettrico a densita' elevata | |
IT1102402B (it) | Composizione di gomma a proprieta' migliorate | |
IT1134498B (it) | Dipsosizione d'alimentazione di linea per una linea d'abbonato telefonico | |
IT1113880B (it) | Induttore d'arresto |