GB2003365A – A tdm digital exchange for a telecommunications system
– Google Patents
GB2003365A – A tdm digital exchange for a telecommunications system
– Google Patents
A tdm digital exchange for a telecommunications system
Info
Publication number
GB2003365A
GB2003365A
GB7833897A
GB7833897A
GB2003365A
GB 2003365 A
GB2003365 A
GB 2003365A
GB 7833897 A
GB7833897 A
GB 7833897A
GB 7833897 A
GB7833897 A
GB 7833897A
GB 2003365 A
GB2003365 A
GB 2003365A
Authority
GB
United Kingdom
Prior art keywords
telecommunications system
digital exchange
tdm digital
tdm
exchange
Prior art date
1977-08-22
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.)
Granted
Application number
GB7833897A
Other versions
GB2003365B
(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.)
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.)
1977-08-22
Filing date
1978-08-18
Publication date
1979-03-07
1978-08-18
Application filed by Siemens AG
filed
Critical
Siemens AG
1979-03-07
Publication of GB2003365A
publication
Critical
patent/GB2003365A/en
1982-02-10
Application granted
granted
Critical
1982-02-10
Publication of GB2003365B
publication
Critical
patent/GB2003365B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04J—MULTIPLEX COMMUNICATION
H04J3/00—Time-division multiplex systems
H04J3/02—Details
H04J3/06—Synchronising arrangements
H04J3/0635—Clock or time synchronisation in a network
H04J3/0676—Mutual
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04J—MULTIPLEX COMMUNICATION
H04J3/00—Time-division multiplex systems
H04J3/02—Details
H04J3/06—Synchronising arrangements
H04J3/0635—Clock or time synchronisation in a network
H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
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
GB7833897A
1977-08-22
1978-08-18
A tdm digital exchange for a telecommunications system
Expired
GB2003365B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2737713A
DE2737713C2
(en)
1977-08-22
1977-08-22
Time division multiplex digital switching system, in particular PCM telephone switching system, with double switching network devices
Publications (2)
Publication Number
Publication Date
GB2003365A
true
GB2003365A
(en)
1979-03-07
GB2003365B
GB2003365B
(en)
1982-02-10
Family
ID=6016963
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7833897A
Expired
GB2003365B
(en)
1977-08-22
1978-08-18
A tdm digital exchange for a telecommunications system
Country Status (14)
Country
Link
US
(1)
US4355386A
(en)
JP
(1)
JPS58231B2
(en)
AT
(1)
ATA607178A
(en)
BE
(1)
BE869889A
(en)
CH
(1)
CH630765A5
(en)
DE
(1)
DE2737713C2
(en)
FR
(1)
FR2401583A1
(en)
GB
(1)
GB2003365B
(en)
HU
(1)
HU179310B
(en)
IT
(1)
IT1098170B
(en)
LU
(1)
LU80132A1
(en)
NL
(1)
NL7808619A
(en)
SU
(1)
SU948303A3
(en)
ZA
(1)
ZA784462B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2313528A
(en)
*
1996-05-21
1997-11-26
Samsung Electronics Co Ltd
Redundant clock system prevents changeover glitches, eg for ATM cells
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2907608A1
(en)
*
1979-02-27
1980-08-28
Siemens Ag
CIRCUIT FOR CLOCK GENERATION IN TELECOMMUNICATION SYSTEMS, IN PARTICULAR TIME MULTIPLEX-DIGITAL SWITCHING SYSTEMS
FR2467523A1
(en)
*
1979-10-12
1981-04-17
Thomson Csf
SYSTEM FOR CONTROLLING A CONNECTION NETWORK
SE435010B
(en)
*
1982-12-30
1984-08-27
Ellemtel Utvecklings Ab
SET UP AND DEVICE IN A TELECOMMUNICATION SYSTEM FOR ACTIVATION OF BODIES FROM VOLUNTARY TO ACTIVE DOCTOR
SE435011B
(en)
*
1982-12-30
1984-08-27
Ellemtel Utvecklings Ab
SET UP AND DEVICE IN A TELECOMMUNICATION SYSTEM WHEN ACTIVATING SUBSCRIBER TERMINALS
JPH0449356Y2
(en)
*
1985-11-08
1992-11-19
US5737317A
(en)
*
1988-12-05
1998-04-07
Yamaha Corporation
Communication system testing method
DE19832440A1
(en)
*
1998-07-18
2000-01-20
Alcatel Sa
Synchronization method, primary reference clock generator and network element for a synchronous digital communication network
US6954451B1
(en)
*
2000-11-21
2005-10-11
Ravesim, Inc.
Distributed time-multiplexed bus architecture and emulation apparatus
Family Cites Families (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL153059B
(en)
*
1967-01-23
1977-04-15
Bell Telephone Mfg
AUTOMATIC TELECOMMUNICATION SWITCHING SYSTEM.
SE347826B
(en)
*
1970-11-20
1972-08-14
Ericsson Telefon Ab L M
DE2204703C3
(en)
*
1971-02-22
1981-05-27
Società Italiana Telecomunicazioni Siemens S.p.A., 20149 Milano
Circuit arrangement for introducing a replacement clock signal into a PCM transmission system
US3803568A
(en)
*
1973-04-06
1974-04-09
Gte Automatic Electric Lab Inc
System clock for electronic communication systems
DE2320123C2
(en)
*
1973-04-19
1975-02-20
Siemens Ag, 1000 Berlin Und 8000 Muenchen
Circuit arrangement for bringing together the corresponding output time division multiplex lines of doubly provided switching networks of time division multiplex digital telecommunications exchanges, in particular PCM telephone exchanges
NL7309770A
(en)
*
1973-07-13
1975-01-15
Bell Telephone Mfg
CONTROL DEVICE.
LU71166A1
(en)
*
1974-05-27
1975-01-20
IT1051350B
(en)
*
1975-12-09
1981-04-21
Cselt Centro Studi Lab Telecom
TRIPLE TIMING SYSTEM FOR DUPLICATED SYSTEMS CONTE NENTI LOGIC CIRCUITS
US4025874A
(en)
*
1976-04-30
1977-05-24
Rockwell International Corporation
Master/slave clock arrangement for providing reliable clock signal
1977
1977-08-22
DE
DE2737713A
patent/DE2737713C2/en
not_active
Expired
1978
1978-06-26
CH
CH691378A
patent/CH630765A5/en
not_active
IP Right Cessation
1978-08-07
ZA
ZA00784462A
patent/ZA784462B/en
unknown
1978-08-14
US
US05/933,412
patent/US4355386A/en
not_active
Expired – Lifetime
1978-08-18
GB
GB7833897A
patent/GB2003365B/en
not_active
Expired
1978-08-21
FR
FR7824269A
patent/FR2401583A1/en
active
Granted
1978-08-21
IT
IT26871/78A
patent/IT1098170B/en
active
1978-08-21
JP
JP53101715A
patent/JPS58231B2/en
not_active
Expired
1978-08-21
AT
AT0607178A
patent/ATA607178A/en
not_active
Application Discontinuation
1978-08-21
SU
SU782662904A
patent/SU948303A3/en
active
1978-08-21
NL
NL7808619A
patent/NL7808619A/en
not_active
Application Discontinuation
1978-08-21
LU
LU80132A
patent/LU80132A1/xx
unknown
1978-08-21
HU
HU78SI1643A
patent/HU179310B/en
unknown
1978-08-22
BE
BE190005A
patent/BE869889A/en
unknown
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2313528A
(en)
*
1996-05-21
1997-11-26
Samsung Electronics Co Ltd
Redundant clock system prevents changeover glitches, eg for ATM cells
GB2313528B
(en)
*
1996-05-21
1999-07-14
Samsung Electronics Co Ltd
Apparatus and method of preventing cell data loss during clockwitching
Also Published As
Publication number
Publication date
DE2737713A1
(en)
1979-03-08
LU80132A1
(en)
1979-01-19
IT1098170B
(en)
1985-09-07
BE869889A
(en)
1979-02-22
DE2737713C2
(en)
1983-09-29
GB2003365B
(en)
1982-02-10
ZA784462B
(en)
1979-07-25
CH630765A5
(en)
1982-06-30
ATA607178A
(en)
1983-05-15
HU179310B
(en)
1982-09-28
NL7808619A
(en)
1979-02-26
JPS5443601A
(en)
1979-04-06
US4355386A
(en)
1982-10-19
FR2401583A1
(en)
1979-03-23
IT7826871D0
(en)
1978-08-21
FR2401583B1
(en)
1983-09-30
JPS58231B2
(en)
1983-01-05
SU948303A3
(en)
1982-07-30
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Legal Events
Date
Code
Title
Description
1987-04-01
PCNP
Patent ceased through non-payment of renewal fee
