DE3068846D1 - Digital telephone exchange - Google Patents

Digital telephone exchange

Info

Publication number: DE3068846D1
Authority: DE; Germany
Prior art keywords: telephone exchange; digital telephone; digital; exchange; telephone
Prior art date: 1979-03-15
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

Application number

DE8080101327T

Other languages

English (en)

Inventor

Ernesto Viale

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Telecom Italia SpA

Original Assignee

CSELT Centro Studi e Laboratori Telecomunicazioni SpA

Priority date (The priority date 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 date listed.)

1979-03-15

Filing date

1980-03-14

Publication date

1984-09-13

1980-03-14 Application filed by CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA

1984-09-13 Application granted granted Critical

1984-09-13 Publication of DE3068846D1 publication Critical patent/DE3068846D1/de

Status Expired legal-status Critical Current

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)

DE8080101327T 1979-03-15 1980-03-14 Digital telephone exchange Expired DE3068846D1 (en)

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 (1)

Publication Number	Publication Date
DE3068846D1 true DE3068846D1 (en)	1984-09-13

Family

ID=11303309

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8080101327T Expired DE3068846D1 (en)	1979-03-15	1980-03-14	Digital telephone exchange

Country Status (6)

Country	Link
US (1)	US4356563A (de)
EP (1)	EP0016426B1 (de)
JP (1)	JPS55124387A (de)
CA (1)	CA1135820A (de)
DE (1)	DE3068846D1 (de)
IT (1)	IT1118433B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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/de 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
EP0016426B1 (de)	1984-08-08
US4356563A (en)	1982-10-26
IT1118433B (it)	1986-03-03
CA1135820A (en)	1982-11-16
EP0016426A1 (de)	1980-10-01
JPS55124387A (en)	1980-09-25

Publication	Publication Date	Title
GB2064244B (en)	1983-11-16	Telephone line circuit
GB2064269B (en)	1983-12-21	Telephone line circuit
JPS5593391A (en)	1980-07-15	Telephone system
JPS556998A (en)	1980-01-18	Time division digital exchange network
GB2064902B (en)	1983-09-14	Telephone line circuit
JPS5648750A (en)	1981-05-02	Loudspeaker telephone set
GB2050116B (en)	1983-04-27	Telephone line circuit
DE3068846D1 (en)	1984-09-13	Digital telephone exchange
GB2051519B (en)	1983-03-30	Telephone keyset
AU529889B2 (en)	1983-06-23	Digital telecommunications exchange system
JPS5673933A (en)	1981-06-19	Telephone subscriber unit
JPS55150694A (en)	1980-11-22	Telephone set
AU529666B2 (en)	1983-06-16	Digital telecommunications exchange
ZA802576B (en)	1981-06-24	Telephone exchanges
JPS5675736A (en)	1981-06-23	Telephone subscriber unit
EG13942A (en)	1983-03-31	Subscribers line interface
GB2098027B (en)	1984-11-28	Telephone exchange
JPS54133007A (en)	1979-10-16	Telephone exchange system
JPS568992A (en)	1981-01-29	Time division telephone exchange device
GB2059718B (en)	1984-01-25	Telephone set
CA46518S (en)	1980-01-28	Telephone handset
GB2061063B (en)	1983-10-19	Telecommunications exchange
GB2055021B (en)	1983-03-30	Telephone line circuit
IL63774A0 (en)	1981-12-31	Telephone exchange
DE3369051D1 (en)	1987-02-12	Extended modular digital telephone exchange

Legal Events

Date	Code	Title	Description
1991-03-07	8339	Ceased/non-payment of the annual fee