GB1483806A - Telephone systems - Google Patents

Telephone systems

Info

Publication number: GB1483806A
Authority: GB; United Kingdom
Prior art keywords: counter; ringing; subset; gate; signal
Prior art date: 1973-12-20
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

GB52767/74A

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 AG

Original Assignee

Siemens AG

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.)

1973-12-20

Filing date

1974-12-06

Publication date

1977-08-24

1973-12-20 Priority claimed from DE19732363582 external-priority patent/DE2363582C3/de

1974-12-06 Application filed by Siemens AG filed Critical Siemens AG

1977-08-24 Publication of GB1483806A publication Critical patent/GB1483806A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Telephonic Communication Services (AREA)

GB52767/74A 1973-12-20 1974-12-06 Telephone systems Expired GB1483806A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732363582 DE2363582C3 (de)		1973-12-20	Schaltungsanordnung mit Rufweiterleitung in einer Fernsprechanlage

Publications (1)

Publication Number	Publication Date
GB1483806A true GB1483806A (en)	1977-08-24

Family

ID=5901423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB52767/74A Expired GB1483806A (en)	1973-12-20	1974-12-06	Telephone systems

Country Status (10)

Country	Link
AT (1)	AT337258B (de)
BE (1)	BE823687A (de)
CH (1)	CH580371A5 (de)
DK (1)	DK141427C (de)
FR (1)	FR2255763B1 (de)
GB (1)	GB1483806A (de)
IT (1)	IT1027669B (de)
LU (1)	LU71515A1 (de)
NL (1)	NL169010C (de)
SE (1)	SE406022B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3325435A1 (de) *	1983-04-13	1984-10-18	Elmeg Elektro-Mechanik Gmbh, 3150 Peine	Fernsprechnebenstellenanlage

1974
- 1974-11-25 AT AT940874A patent/AT337258B/de not_active IP Right Cessation
- 1974-12-06 GB GB52767/74A patent/GB1483806A/en not_active Expired
- 1974-12-11 CH CH1651074A patent/CH580371A5/xx not_active IP Right Cessation
- 1974-12-13 IT IT30535/74A patent/IT1027669B/it active
- 1974-12-17 FR FR7441543A patent/FR2255763B1/fr not_active Expired
- 1974-12-18 LU LU71515A patent/LU71515A1/xx unknown
- 1974-12-19 DK DK666774A patent/DK141427C/da not_active IP Right Cessation
- 1974-12-20 BE BE151791A patent/BE823687A/xx not_active IP Right Cessation
- 1974-12-20 NL NLAANVRAGE7416708,A patent/NL169010C/xx not_active IP Right Cessation
- 1974-12-20 SE SE7416207A patent/SE406022B/xx unknown

Also Published As

Publication number	Publication date
DE2363582B2 (de)	1975-10-16
NL7416708A (nl)	1975-06-24
IT1027669B (it)	1978-12-20
FR2255763A1 (de)	1975-07-18
LU71515A1 (de)	1975-06-17
BE823687A (fr)	1975-06-20
DE2363582A1 (de)	1975-06-26
DK666774A (de)	1975-08-18
DK141427B (da)	1980-03-10
NL169010B (nl)	1981-12-16
SE7416207L (de)	1975-06-23
FR2255763B1 (de)	1982-10-29
ATA940874A (de)	1976-10-15
DK141427C (da)	1980-09-08
SE406022B (sv)	1979-01-15
AT337258B (de)	1977-06-27
CH580371A5 (de)	1976-09-30
NL169010C (nl)	1982-05-17

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Legal Events

Date	Code	Title	Description
1978-01-05	PS	Patent sealed [section 19, patents act 1949]
1987-07-22	PCNP	Patent ceased through non-payment of renewal fee