NL156881B - CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS. - Google Patents

CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS.

Info

Publication number: NL156881B
Authority: NL; Netherlands
Prior art keywords: examining; telecommunications network; wire connections; centrally controlled; controlled telecommunications
Prior art date: 1972-02-29

Application number

NL7302655.A

Other languages

Dutch (nl)

Other versions

NL7302655A (en

Original Assignee

Siemens Ag Albis

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.)

1972-02-29

Filing date

1973-02-26

Publication date

1978-05-16

1973-02-26 Application filed by Siemens Ag Albis filed Critical Siemens Ag Albis

1973-08-31 Publication of NL7302655A publication Critical patent/NL7302655A/xx

1978-05-16 Publication of NL156881B publication Critical patent/NL156881B/en

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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Monitoring And Testing Of Exchanges (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Dc Digital Transmission (AREA)
Exchange Systems With Centralized Control (AREA)
Time-Division Multiplex Systems (AREA)
Maintenance And Management Of Digital Transmission (AREA)

NL7302655.A 1972-02-29 1973-02-26 CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS. NL156881B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH285272A CH541265A (en)	1972-02-29	1972-02-29	Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another

Publications (2)

Publication Number	Publication Date
NL7302655A NL7302655A (en)	1973-08-31
NL156881B true NL156881B (en)	1978-05-16

Family

ID=4243022

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7302655.A NL156881B (en)	1972-02-29	1973-02-26	CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS.

Country Status (14)

Country	Link
JP (1)	JPS5333203B2 (en)
AT (1)	AT329641B (en)
BE (1)	BE796107A (en)
CH (1)	CH541265A (en)
DE (1)	DE2304923C3 (en)
ES (1)	ES411818A1 (en)
FR (1)	FR2177758B1 (en)
GB (1)	GB1401128A (en)
IE (1)	IE37320B1 (en)
IL (1)	IL41504A (en)
IT (1)	IT984494B (en)
LU (1)	LU67108A1 (en)
NL (1)	NL156881B (en)
NO (1)	NO136814C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2735341C3 (en) *	1977-08-05	1984-05-10	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Arrangement for the continuity test in telecommunication systems
DE2838816A1 (en) *	1978-09-06	1980-03-20	Tekade Felten & Guilleaume	LOOP TEST FOR DATA TRANSFER ROUTES
DE2850376C2 (en) *	1978-11-21	1981-10-01	TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg	Procedure for checking the connections of a telecommunications network
US5066139A (en) *	1989-08-28	1991-11-19	Raynet Corporation	Coupler verification test circuit
US5901202A (en) *	1996-10-11	1999-05-04	At&T Corp	Method for initiating a telephone call on a remote line

1972
- 1972-02-29 CH CH285272A patent/CH541265A/en not_active IP Right Cessation
1973
- 1973-02-01 DE DE2304923A patent/DE2304923C3/en not_active Expired
- 1973-02-09 IL IL41504A patent/IL41504A/en unknown
- 1973-02-20 ES ES411818A patent/ES411818A1/en not_active Expired
- 1973-02-21 AT AT152673A patent/AT329641B/en not_active IP Right Cessation
- 1973-02-22 FR FR7306267A patent/FR2177758B1/fr not_active Expired
- 1973-02-23 NO NO741/73A patent/NO136814C/en unknown
- 1973-02-23 GB GB895673A patent/GB1401128A/en not_active Expired
- 1973-02-26 IE IE294/73A patent/IE37320B1/en unknown
- 1973-02-26 NL NL7302655.A patent/NL156881B/en unknown
- 1973-02-27 LU LU67108A patent/LU67108A1/xx unknown
- 1973-02-28 BE BE128227A patent/BE796107A/en not_active IP Right Cessation
- 1973-02-28 JP JP2420573A patent/JPS5333203B2/ja not_active Expired
- 1973-02-28 IT IT20997/73A patent/IT984494B/en active

Also Published As

Publication number	Publication date
IL41504A0 (en)	1973-04-30
DE2304923B2 (en)	1974-03-07
DE2304923C3 (en)	1974-09-26
ES411818A1 (en)	1976-01-01
JPS5333203B2 (en)	1978-09-13
AT329641B (en)	1976-05-25
GB1401128A (en)	1975-07-16
DE2304923A1 (en)	1973-09-20
NL7302655A (en)	1973-08-31
NO136814C (en)	1977-11-16
NO136814B (en)	1977-08-01
IE37320L (en)	1973-08-29
CH541265A (en)	1973-08-31
IE37320B1 (en)	1977-06-22
FR2177758A1 (en)	1973-11-09
IL41504A (en)	1975-08-31
ATA152673A (en)	1975-08-15
IT984494B (en)	1974-11-20
JPS48102508A (en)	1973-12-22
FR2177758B1 (en)	1981-07-24
LU67108A1 (en)	1973-05-03
BE796107A (en)	1973-06-18

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NL156881B (en)	1978-05-16	CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS.
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Legal Events

Date	Code	Title	Description
1993-02-28	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: HASLER