DK139499B - Kredsloeb for tilkobling af foersteopkaldtegn og videropkaldtegn i telefonanlaeg navnlig pabcanlaeg ved hjaelp af en forudbestemt vekselstroemstakt - Google Patents

Kredsloeb for tilkobling af foersteopkaldtegn og videropkaldtegn i telefonanlaeg navnlig pabcanlaeg ved hjaelp af en forudbestemt vekselstroemstakt

Info

Publication number: DK139499B
Authority: DK; Denmark
Prior art keywords: signal; discall; predetermed; pab; cleaning
Prior art date: 1973-12-14

Application number

DK650874AA

Other languages

English (en)

Other versions

DK139499C (da

DK650874A (da

Inventor

W Braunbeck

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

1974-12-13

Publication date

1979-02-26

1974-12-13 Application filed by Siemens Ag filed Critical Siemens Ag

1975-08-11 Publication of DK650874A publication Critical patent/DK650874A/da

1979-02-26 Publication of DK139499B publication Critical patent/DK139499B/da

1979-08-06 Application granted granted Critical

1979-08-06 Publication of DK139499C publication Critical patent/DK139499C/da

Links

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)

DK650874A 1973-12-14 1974-12-13 Kredsloeb for tilkobling af foersteopkaldtegn og videreopkaldtegn i telefonanlaeg,navnlig pabc-anlaeg,ved hjaelp af en forudbestemt vekselstroemstakt DK139499C (da)

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 (3)

Publication Number	Publication Date
DK650874A DK650874A (da)	1975-08-11
DK139499B true DK139499B (da)	1979-02-26
DK139499C DK139499C (da)	1979-08-06

Family

ID=5900822

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK650874A DK139499C (da)	1973-12-14	1974-12-13	Kredsloeb for tilkobling af foersteopkaldtegn og videreopkaldtegn i telefonanlaeg,navnlig pabc-anlaeg,ved hjaelp af en forudbestemt vekselstroemstakt

Country Status (11)

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

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 BE BE151488A patent/BE823333A/xx not_active IP Right Cessation
- 1974-12-13 SE SE7415708A patent/SE7415708L/xx unknown

Also Published As

Publication number	Publication date
BE823333A (fr)	1975-06-13
IT1026913B (it)	1978-10-20
NL158672B (nl)	1978-11-15
DK139499C (da)	1979-08-06
DK650874A (da)	1975-08-11
CH588195A5 (da)	1977-05-31
AT333853B (de)	1976-12-10
NL7416008A (nl)	1975-06-17
ATA929574A (de)	1976-04-15
FR2254918A1 (da)	1975-07-11
GB1482366A (en)	1977-08-10
FR2254918B1 (da)	1979-10-12
DE2362328B1 (de)	1975-03-20
LU71469A1 (da)	1975-06-11
DE2362328C2 (de)	1979-11-15
SE7415708L (da)	1975-06-16

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