GB1495341A - Telecommunications exchange systems - Google Patents

Telecommunications exchange systems

Info

Publication number: GB1495341A
Authority: GB; United Kingdom
Prior art keywords: exchange; exchanges; channel; channels; coupled
Prior art date: 1974-03-21
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

GB984175A

Other languages

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.)

Siemens Corp

Original Assignee

Siemens Corp

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.)

1974-03-21

Filing date

1975-03-10

Publication date

1977-12-14

1974-03-21 Priority claimed from DE19742413740 external-priority patent/DE2413740C2/de

1975-03-10 Application filed by Siemens Corp filed Critical Siemens Corp

1977-12-14 Publication of GB1495341A publication Critical patent/GB1495341A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Mobile Radio Communication Systems (AREA)
Data Exchanges In Wide-Area Networks (AREA)

GB984175A 1974-03-21 1975-03-10 Telecommunications exchange systems Expired GB1495341A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742413740 DE2413740C2 (de)		1974-03-21	Schaltungsanordnung für Fernmeldevermittlungsnetze, insbesondere Fernsprechvermittlungsnetze, mit Datenübertragungseinrichtungen für den Austausch von Steuerinformationen

Publications (1)

Publication Number	Publication Date
GB1495341A true GB1495341A (en)	1977-12-14

Family

ID=5910802

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB984175A Expired GB1495341A (en)	1974-03-21	1975-03-10	Telecommunications exchange systems

Country Status (6)

Country	Link
BE (1)	BE826991A (nl)
DK (1)	DK141350C (nl)
FR (1)	FR2265238B1 (nl)
GB (1)	GB1495341A (nl)
IT (1)	IT1034360B (nl)
NL (1)	NL170077C (nl)

1975
- 1975-03-10 GB GB984175A patent/GB1495341A/en not_active Expired
- 1975-03-14 NL NL7503095A patent/NL170077C/nl not_active IP Right Cessation
- 1975-03-17 FR FR7508227A patent/FR2265238B1/fr not_active Expired
- 1975-03-18 IT IT2135975A patent/IT1034360B/it active
- 1975-03-20 DK DK115475A patent/DK141350C/da not_active IP Right Cessation
- 1975-03-21 BE BE154594A patent/BE826991A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK141350C (da)	1980-08-18
BE826991A (fr)	1975-09-22
DE2413740B1 (de)	1975-07-03
NL170077B (nl)	1982-04-16
DK115475A (nl)	1975-09-22
FR2265238A1 (nl)	1975-10-17
NL170077C (nl)	1982-09-16
DK141350B (da)	1980-02-25
DE2413740A1 (nl)	1975-07-03
IT1034360B (it)	1979-09-10
FR2265238B1 (nl)	1981-03-20
NL7503095A (nl)	1975-09-23

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Legal Events

Date	Code	Title	Description
1978-04-26	PS	Patent sealed
1988-11-16	PCNP	Patent ceased through non-payment of renewal fee