GB2008896B - Time division multiplex telephone exchange - Google Patents

Time division multiplex telephone exchange

Info

Publication number: GB2008896B
Authority: GB; United Kingdom
Prior art keywords: time division; division multiplex; telephone exchange; multiplex telephone; exchange
Prior art date: 1977-11-18
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

GB7844371A

Other versions

GB2008896A (en

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric 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.)

1977-11-18

Filing date

1978-11-14

Publication date

1982-02-17

1978-11-14 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1979-06-06 Publication of GB2008896A publication Critical patent/GB2008896A/en

1982-02-17 Application granted granted Critical

1982-02-17 Publication of GB2008896B publication Critical patent/GB2008896B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
- H04Q1/22—Automatic arrangements
- H04Q1/24—Automatic arrangements for connection devices
- H04Q1/245—Automatic arrangements for connection devices in time-division multiplex systems
- 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)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Time-Division Multiplex Systems (AREA)
Burglar Alarm Systems (AREA)
Fire-Detection Mechanisms (AREA)

GB7844371A 1977-11-18 1978-11-14 Time division multiplex telephone exchange Expired GB2008896B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7734742A FR2409651A1 (en)	1977-11-18	1977-11-18	PATH MONITORING DEVICE ASSOCIATED WITH A TIME SWITCHING CONNECTION NETWORK OF CODED SIGNALS

Publications (2)

Publication Number	Publication Date
GB2008896A GB2008896A (en)	1979-06-06
GB2008896B true GB2008896B (en)	1982-02-17

Family

ID=9197785

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7844371A Expired GB2008896B (en)	1977-11-18	1978-11-14	Time division multiplex telephone exchange

Country Status (12)

Country	Link
AR (1)	AR220157A1 (en)
AU (1)	AU4151978A (en)
BE (1)	BE872076R (en)
BR (1)	BR7807571A (en)
DE (1)	DE2849744C2 (en)
DK (1)	DK511278A (en)
ES (1)	ES475186A1 (en)
FI (1)	FI783494A7 (en)
FR (1)	FR2409651A1 (en)
GB (1)	GB2008896B (en)
NL (1)	NL7811313A (en)
NO (1)	NO783854L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2442563A1 (en) *	1978-11-22	1980-06-20	Materiel Telephonique	CONTROL DEVICE FOR TIME SWITCHING NETWORK
FR2464602A1 (en) *	1979-08-30	1981-03-06	Thomson Csf Mat Tel	METHOD AND DEVICE FOR CONNECTING TELEPRINTERS TO TRACK-BY-TRACK TYPE SIGNALS
FR2467523A1 (en) *	1979-10-12	1981-04-17	Thomson Csf	SYSTEM FOR CONTROLLING A CONNECTION NETWORK
IT8003532A0 (en) *	1980-10-07	1980-10-07	Italtel Spa	DEVICE FOR CONTROL OF THE SPACE-TEMPORAL CONTINUITY OF THE DYNAMIC CONNECTIONS OF A TRANSIT NETWORK FOR TIME DIVISION TELECOMMUNICATIONS SYSTEMS
EP0512457A1 (en) *	1991-05-08	1992-11-11	Siemens Aktiengesellschaft	Method and arrangement for monitoring of switching paths in a switching network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1450457A (en) *	1974-01-02	1976-09-22	Plessey Co Ltd	Telecommunication exchange systems
FR2305907A1 (en) *	1975-03-27	1976-10-22	Materiel Telephonique	CONTROL DEVICE INTENDED FOR A SWITCHING NETWORK FOR MULTIPLEXED CHANNELS IN TIME
DE2543408C3 (en) *	1975-09-29	1978-11-02	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Procedure for monitoring PCM connections
FR2399162A1 (en) *	1977-07-29	1979-02-23	Telecommunications Sa	Faults detection device in multiplexed data transmission network - utilises test unit to determine functional condition of channel

1977
- 1977-11-18 FR FR7734742A patent/FR2409651A1/en active Granted
1978
- 1978-09-17 BR BR7807571A patent/BR7807571A/en unknown
- 1978-11-13 AR AR274424A patent/AR220157A1/en active
- 1978-11-13 AU AU41519/78A patent/AU4151978A/en active Pending
- 1978-11-14 GB GB7844371A patent/GB2008896B/en not_active Expired
- 1978-11-15 FI FI783494A patent/FI783494A7/en unknown
- 1978-11-16 NL NL7811313A patent/NL7811313A/en not_active Application Discontinuation
- 1978-11-16 DE DE2849744A patent/DE2849744C2/en not_active Expired
- 1978-11-16 NO NO783854A patent/NO783854L/en unknown
- 1978-11-17 BE BE2057423A patent/BE872076R/en active
- 1978-11-17 DK DK511278A patent/DK511278A/en unknown
- 1978-11-17 ES ES475186A patent/ES475186A1/en not_active Expired

Also Published As

Publication number	Publication date
NL7811313A (en)	1979-05-22
FR2409651B1 (en)	1984-06-29
BR7807571A (en)	1979-06-26
DE2849744C2 (en)	1986-07-24
DE2849744A1 (en)	1979-05-23
ES475186A1 (en)	1979-04-01
AU4151978A (en)	1979-05-24
BE872076R (en)	1979-05-17
AR220157A1 (en)	1980-10-15
NO783854L (en)	1979-05-21
FI783494A7 (en)	1979-05-19
GB2008896A (en)	1979-06-06
FR2409651A1 (en)	1979-06-15
DK511278A (en)	1979-05-19

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Legal Events

Date	Code	Title
1983-12-21	746	Register noted 'licences of right' (sect. 46/1977)
1987-10-21	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1988-07-06	PCNP	Patent ceased through non-payment of renewal fee