FR2254918B1 - - Google Patents

Info

Publication number: FR2254918B1
Authority: FR; France
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

FR7440469A

Other versions

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.)

1973-12-14

Filing date

1974-12-10

Publication date

1979-10-12

1974-12-10 Application filed by Siemens AG filed Critical Siemens AG

1975-07-11 Publication of FR2254918A1 publication Critical patent/FR2254918A1/fr

1979-10-12 Application granted granted Critical

1979-10-12 Publication of FR2254918B1 publication Critical patent/FR2254918B1/fr

Status Expired legal-status Critical Current

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
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Computer Networks & Wireless Communication (AREA)
Devices For Supply Of Signal Current (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)

FR7440469A 1973-12-14 1974-12-10 Expired FR2254918B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2362328A DE2362328C2 (de)	1973-12-14	1973-12-14	Schaltungsanordnung zur Erzeugung des Erstrufs und der Weiterrufs in Fernsprechanlagen, insbesondere in Fernsprechnebenstellenanlagen

Publications (2)

Publication Number	Publication Date
FR2254918A1 FR2254918A1 (fr)	1975-07-11
FR2254918B1 true FR2254918B1 (fr)	1979-10-12

Family

ID=5900822

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7440469A Expired FR2254918B1 (fr)	1973-12-14	1974-12-10

Country Status (11)

Country	Link
AT (1)	AT333853B (fr)
BE (1)	BE823333A (fr)
CH (1)	CH588195A5 (fr)
DE (1)	DE2362328C2 (fr)
DK (1)	DK139499C (fr)
FR (1)	FR2254918B1 (fr)
GB (1)	GB1482366A (fr)
IT (1)	IT1026913B (fr)
LU (1)	LU71469A1 (fr)
NL (1)	NL158672B (fr)
SE (1)	SE7415708L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2538597C2 (de) *	1975-08-29	1982-01-14	Siemens AG, 1000 Berlin und 8000 München	Verfahren und Schaltungsanordnung zur Durchführung des Verfahrens für Fernmelde-, insbesondere Fernsprechanlagen mit Erstruf und anschließendem Weiterruf eines gewünschten Teilnehmers
DE2935119C2 (de) *	1979-08-30	1981-09-24	Siemens AG, 1000 Berlin und 8000 München	Indirekt gesteuerte Vermittlungsanlage, insbesondere Fernsprechnebenstellenanlage, mit einem zentralen Steuerwerk und mit einer Überwachung der gewählten Fernamtskennzahl
DE3218506A1 (de) *	1982-04-02	1983-10-13	Siemens AG, 1000 Berlin und 8000 München	Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere fernsprechvermittlungsanlagen, mit schalteinrichtungen zur aussendung von signalen

1973
- 1973-12-14 DE DE2362328A patent/DE2362328C2/de not_active Expired
1974
- 1974-11-20 AT AT929574A patent/AT333853B/de not_active IP Right Cessation
- 1974-12-09 NL NL7416008.A patent/NL158672B/xx not_active IP Right Cessation
- 1974-12-10 GB GB53278/74A patent/GB1482366A/en not_active Expired
- 1974-12-10 IT IT30347/74A patent/IT1026913B/it active
- 1974-12-10 FR FR7440469A patent/FR2254918B1/fr not_active Expired
- 1974-12-11 CH CH1650974A patent/CH588195A5/xx not_active IP Right Cessation
- 1974-12-12 LU LU71469A patent/LU71469A1/xx unknown
- 1974-12-13 DK DK650874A patent/DK139499C/da active
- 1974-12-13 SE SE7415708A patent/SE7415708L/xx unknown
- 1974-12-13 BE BE151488A patent/BE823333A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
LU71469A1 (fr)	1975-06-11
GB1482366A (en)	1977-08-10
DE2362328C2 (de)	1979-11-15
AT333853B (de)	1976-12-10
ATA929574A (de)	1976-04-15
BE823333A (fr)	1975-06-13
IT1026913B (it)	1978-10-20
CH588195A5 (fr)	1977-05-31
DE2362328B1 (de)	1975-03-20
FR2254918A1 (fr)	1975-07-11
DK139499B (da)	1979-02-26
NL7416008A (nl)	1975-06-17
DK650874A (fr)	1975-08-11
DK139499C (da)	1979-08-06
SE7415708L (fr)	1975-06-16
NL158672B (nl)	1978-11-15

Publication	Publication Date	Title
AR201758A1 (fr)	1975-04-15
AU476761B2 (fr)	1976-09-30
AU465372B2 (fr)	1975-09-25
AR201235Q (fr)	1975-02-21
AR201231Q (fr)	1975-02-21
AU474593B2 (fr)	1976-07-29
AU474511B2 (fr)	1976-07-22
AU474838B2 (fr)	1976-08-05
AU471343B2 (fr)	1976-04-15
AU465453B2 (fr)	1975-09-25
AU465434B2 (fr)	1975-09-25
AU450229B2 (fr)	1974-07-04
AU476714B2 (fr)	1976-09-30
AR201229Q (fr)	1975-02-21
AU466283B2 (fr)	1975-10-23
AU476696B2 (fr)	1976-09-30
AU472848B2 (fr)	1976-06-03
AR199451A1 (fr)	1974-08-30
AU477823B2 (fr)	1975-06-19
AU461342B2 (fr)	1975-05-22
AU471461B2 (fr)	1976-04-29
AR200885A1 (fr)	1974-12-27
AR200256A1 (fr)	1974-10-31
AR210729A1 (fr)	1977-09-15
AU476873B1 (fr)	1975-01-09

Legal Events

Date	Code	Title	Description
1987-10-23	ST	Notification of lapse