GB2024566B – Time division switching systems
– Google Patents
GB2024566B – Time division switching systems
– Google Patents
Time division switching systems
Info
Publication number
GB2024566B
GB2024566B
GB7922435A
GB7922435A
GB2024566B
GB 2024566 B
GB2024566 B
GB 2024566B
GB 7922435 A
GB7922435 A
GB 7922435A
GB 7922435 A
GB7922435 A
GB 7922435A
GB 2024566 B
GB2024566 B
GB 2024566B
Authority
GB
United Kingdom
Prior art keywords
time division
switching systems
division switching
systems
time
Prior art date
1978-06-27
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
GB7922435A
Other versions
GB2024566A
(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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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.)
1978-06-27
Filing date
1979-06-27
Publication date
1982-06-09
1979-06-27
Application filed by Western Electric Co Inc
filed
Critical
Western Electric Co Inc
1980-01-09
Publication of GB2024566A
publication
Critical
patent/GB2024566A/en
1982-06-09
Application granted
granted
Critical
1982-06-09
Publication of GB2024566B
publication
Critical
patent/GB2024566B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
GB7922435A
1978-06-27
1979-06-27
Time division switching systems
Expired
GB2024566B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US05/919,444
US4160127A
(en)
1978-06-27
1978-06-27
Time-slot interchange with protection switching
Publications (2)
Publication Number
Publication Date
GB2024566A
GB2024566A
(en)
1980-01-09
GB2024566B
true
GB2024566B
(en)
1982-06-09
Family
ID=25442092
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7922435A
Expired
GB2024566B
(en)
1978-06-27
1979-06-27
Time division switching systems
Country Status (12)
Country
Link
US
(1)
US4160127A
(en)
JP
(1)
JPS555596A
(en)
BE
(1)
BE877190A
(en)
CA
(1)
CA1120570A
(en)
CH
(1)
CH646562A5
(en)
DE
(1)
DE2925823A1
(en)
ES
(1)
ES481887A1
(en)
FR
(1)
FR2430151B1
(en)
GB
(1)
GB2024566B
(en)
IT
(1)
IT1121919B
(en)
NL
(1)
NL7904978A
(en)
SE
(1)
SE437321B
(en)
Families Citing this family (25)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB1582583A
(en)
*
1977-04-05
1981-01-14
Gen Electric Co Ltd
Digital switching arrangements for stored programme control telecommunications systems
US4254498A
(en)
*
1978-02-01
1981-03-03
Nippon Telegraph And Telephone Public Corporation
Time division telephone switching systems
JPS5843955B2
(en)
*
1979-09-20
1983-09-30
富士通株式会社
time division electronic switch
US4399533A
(en)
*
1980-12-23
1983-08-16
Gte Automatic Electric Labs Inc.
Dual rail time and control unit for a T-S-T-digital switching system
US4399534A
(en)
*
1980-12-23
1983-08-16
Gte Automatic Electric Labs Inc.
Dual rail time and control unit for a duplex T-S-T-digital switching system
US4392223A
(en)
*
1980-12-23
1983-07-05
Gte Automatic Electric Laboratories, Inc.
Dual rail time and control unit for a T-S-T-digital switching system
US4402077A
(en)
*
1980-12-23
1983-08-30
Gte Automatic Electric Labs Inc.
Dual rail time and control unit for a duplex T-S-T-digital switching system
US4406005A
(en)
*
1980-12-23
1983-09-20
Gte Automatic Electric Labs Inc.
Dual rail time control unit for a T-S-T-digital switching system
US4399369A
(en)
*
1980-12-23
1983-08-16
Gte Automatic Electric Labs Inc.
Dual rail time and control unit for a duplex T-S-T-digital switching system
US4417244A
(en)
*
1981-09-01
1983-11-22
International Business Machines Corp.
Automatic path rearrangement for blocking switching matrix
US4382294A
(en)
*
1981-10-26
1983-05-03
Bell Telephone Laboratories, Incorporated
Telephone switching control arrangement
US4413335A
(en)
*
1981-11-27
1983-11-01
Gte Automatic Electric Labs Inc.
Fault recovery apparatus for a PCM switching network
JPS58137391A
(en)
*
1982-02-10
1983-08-15
Fujitsu Ltd
Time switch circuit
IT1159090B
(en)
*
1982-09-01
1987-02-25
Italtel Spa
REDUCED PCM SWITCHING NETWORK TO TRAFFIC DISTRIBUTION
US4497054A
(en)
*
1983-04-29
1985-01-29
Honeywell Inc.
One-for-N redundancy in a digital switch matrix
JPS62253231A
(en)
*
1986-01-07
1987-11-05
Fujitsu Ltd
Active/standby changeover system
US4700340A
(en)
*
1986-05-20
1987-10-13
American Telephone And Telegraph Company, At&T Bell Laboratories
Method and apparatus for providing variable reliability in a telecommunication switching system
JPH0821926B2
(en)
*
1987-01-12
1996-03-04
株式会社東芝
Information and communication network
US5229990A
(en)
*
1990-10-03
1993-07-20
At&T Bell Laboratories
N+K sparing in a telecommunications switching environment
US5991312A
(en)
*
1997-11-03
1999-11-23
Carrier Access Corporation
Telecommunications multiplexer
US6879559B1
(en)
*
2000-10-31
2005-04-12
Chiaro Networks, Ltd.
Router line card protection using one-for-N redundancy
US6799281B1
(en)
*
2001-01-19
2004-09-28
Winbond Electronics Corp.
DSP system for capturing data at a fixed rate
US6973024B1
(en)
2001-02-28
2005-12-06
Utstarcom, Inc.
Method for modem element switchover using multicast groups
US7443789B2
(en)
*
2001-11-21
2008-10-28
Adc Dsl Systems, Inc.
Protection switching mechanism
US7266128B1
(en)
*
2002-12-06
2007-09-04
Integrated Device Technology, Inc.
Time-slot interchange switches having efficient block programming and on-chip bypass capabilities and methods of operating same
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2188924A5
(en)
*
1972-06-15
1974-01-18
Constr Telephoniques
FR2246136A1
(en)
*
1973-10-02
1975-04-25
Constr Telephoniques
Telephone exchanges with bit parallel switch of coded signals – has cct. for safeguarding of completed connections
FR2258069A1
(en)
*
1973-10-05
1975-08-08
Materiel Telephonique
Time division multiplex exchange – has a time-space-time arrangement with a circuit for coded signal errors recognition
US3959596A
(en)
*
1975-05-30
1976-05-25
Gte Sylvania Incorporated
Time division switching network
AU1515376A
(en)
*
1975-06-23
1978-01-05
Ericsson L M Pty Ltd
Digital data switch with spare switch group structure
US4074072A
(en)
*
1976-05-24
1978-02-14
Bell Telephone Laboratories, Incorporated
Multiprocessor control of a partitioned switching network by control communication through the network
1978
1978-06-27
US
US05/919,444
patent/US4160127A/en
not_active
Expired – Lifetime
1979
1979-06-19
CA
CA000330118A
patent/CA1120570A/en
not_active
Expired
1979-06-20
SE
SE7905437A
patent/SE437321B/en
not_active
IP Right Cessation
1979-06-22
FR
FR7916080A
patent/FR2430151B1/en
not_active
Expired
1979-06-22
BE
BE0/195899A
patent/BE877190A/en
not_active
IP Right Cessation
1979-06-25
CH
CH592179A
patent/CH646562A5/en
not_active
IP Right Cessation
1979-06-25
IT
IT23842/79A
patent/IT1121919B/en
active
1979-06-25
ES
ES481887A
patent/ES481887A1/en
not_active
Expired
1979-06-26
NL
NL7904978A
patent/NL7904978A/en
not_active
Application Discontinuation
1979-06-27
GB
GB7922435A
patent/GB2024566B/en
not_active
Expired
1979-06-27
DE
DE19792925823
patent/DE2925823A1/en
active
Granted
1979-06-27
JP
JP8029079A
patent/JPS555596A/en
active
Pending
Also Published As
Publication number
Publication date
US4160127A
(en)
1979-07-03
CA1120570A
(en)
1982-03-23
NL7904978A
(en)
1980-01-02
SE437321B
(en)
1985-02-18
FR2430151A1
(en)
1980-01-25
SE7905437L
(en)
1979-12-28
FR2430151B1
(en)
1986-09-12
GB2024566A
(en)
1980-01-09
ES481887A1
(en)
1980-02-16
DE2925823C2
(en)
1987-05-07
JPS555596A
(en)
1980-01-16
DE2925823A1
(en)
1980-01-10
IT7923842D0
(en)
1979-06-25
IT1121919B
(en)
1986-04-23
CH646562A5
(en)
1984-11-30
BE877190A
(en)
1979-10-15
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Legal Events
Date
Code
Title
Description
1991-02-20
PCNP
Patent ceased through non-payment of renewal fee
