CA1206238A - Digital time-division switch - Google Patents

Digital time-division switch

Info

Publication number
CA1206238A
CA1206238A CA000418468A CA418468A CA1206238A CA 1206238 A CA1206238 A CA 1206238A CA 000418468 A CA000418468 A CA 000418468A CA 418468 A CA418468 A CA 418468A CA 1206238 A CA1206238 A CA 1206238A
Authority
CA
Canada
Prior art keywords
signals
signal
circuit
time slots
tone
Prior art date
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
CA000418468A
Other languages
English (en)
French (fr)
Inventor
Yoshiharu Kano
Makoto Fujisawa
Shoji Nojiri
Yoshikazu Tanaka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1206238A publication Critical patent/CA1206238A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
CA000418468A 1981-12-29 1982-12-23 Digital time-division switch Expired CA1206238A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56-213405 1981-12-29
JP56213405A JPS58116856A (ja) 1981-12-29 1981-12-29 デジタル時分割交換方式

Publications (1)

Publication Number Publication Date
CA1206238A true CA1206238A (en) 1986-06-17

Family

ID=16638673

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000418468A Expired CA1206238A (en) 1981-12-29 1982-12-23 Digital time-division switch

Country Status (5)

Country Link
US (1) US4512015A (show.php)
EP (1) EP0085256B1 (show.php)
JP (1) JPS58116856A (show.php)
CA (1) CA1206238A (show.php)
DE (1) DE3272777D1 (show.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1199394A (en) * 1983-02-18 1986-01-14 Conrad Lewis Switching system with separate supervisory links
FR2551939B1 (fr) * 1983-09-14 1985-10-11 Cit Alcatel Dispositif de transfert et de traitement de voies de donnees ou de signalisation d'un ensemble de lignes multiplex
FR2574201B1 (fr) * 1984-11-30 1987-04-24 Cit Alcatel Procede et dispositif de telesignalisation pour une liaison de transmission numerique
US4736364A (en) * 1986-03-12 1988-04-05 American Telephone And Telegraph Company, At&T Bell Laboratories Switching system control arrangements
SE470299B (sv) * 1992-05-22 1994-01-10 Ellemtel Utvecklings Ab Kösystem för väljare med "Fast-Circuit"-egenskaper
SE9300895L (sv) * 1993-03-18 1994-09-19 Ellemtel Utvecklings Ab Anordning i en väljarutrustning
SE9300896L (sv) * 1993-03-18 1994-09-19 Ellemtel Utvecklings Ab Signalöverförande system
DE69839722D1 (de) * 1997-12-04 2008-08-28 Nippon Telegraph & Telephone Auf "STM" basiertes Durchschaltvermitteltes Netz zur Übertragung von Daten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA786107B (en) * 1977-11-07 1979-10-31 Post Office Improvements in or relating to the switching of digital signals
JPS5480003A (en) * 1977-12-09 1979-06-26 Hitachi Ltd Signal tone supply system in time-division telephone ex change system
US4268722A (en) * 1978-02-13 1981-05-19 Motorola, Inc. Radiotelephone communications system
DE2819119C3 (de) * 1978-04-29 1980-10-30 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
US4354264A (en) * 1980-06-16 1982-10-12 International Standard Electric Corporation Digital ring control system for digital multiplexer
US4437182A (en) * 1981-01-12 1984-03-13 General Datacomm Industries, Inc. Method and apparatus for interleaving control signals
US4437183A (en) * 1981-01-12 1984-03-13 General Datacomm Industries, Inc. Method and apparatus for distributing control signals

Also Published As

Publication number Publication date
JPS58116856A (ja) 1983-07-12
EP0085256A2 (en) 1983-08-10
US4512015A (en) 1985-04-16
EP0085256A3 (en) 1983-11-02
JPH0223065B2 (show.php) 1990-05-22
EP0085256B1 (en) 1986-08-20
DE3272777D1 (en) 1986-09-25

Similar Documents

Publication Publication Date Title
US4577310A (en) Station interface for digital electronic telephone switching system having centralized digital audio processor
US4162375A (en) Time-divison multiplex switching network with spatial switching stages
US4093827A (en) Symmetrical time division matrix and a network equipped with this kind of matrix
GB1210037A (en) Improvements in or relating to multichannel delta modulation message transmission systems
CA1113593A (en) Signal monitoring and controlling system in a time division switching system
US4761779A (en) Subscriber's line switching control system
CA1206238A (en) Digital time-division switch
GB2066623A (en) Combined data and speech transmission arrangement
US4140877A (en) Muliple highway time division multiplexed PABX communication system
GB2066624A (en) Time division switching system
KR970002771B1 (ko) 디지탈 데이타통신터미널 및 그것의 모듈
CA1182548A (en) Signal control system
US3989892A (en) Line concentrator for dealing with asynchronous and synchronous data signals in a common bit format for a time division data switching exchange
US3899642A (en) Method of distributing tone and alerting signals in a TDM communication system
US4435803A (en) Analog subscriber/trunk module with shared ringing source and ring-trip
US4070551A (en) Local call completion for time division multiplexing system
JPS6457844A (en) Digital signal multiplexer
US4385380A (en) Digital concentrator switch
CA1207925A (en) Process for time-sequenced multiplexing of data on a transmission medium and devices to implement this process
US4394756A (en) Generation of busy signals in a digital concentrator
US4398284A (en) Concentrator in a subscriber loop digital carrier system
US4075432A (en) Telephone concentrator
GB784522A (en) Improvements in and relating to automatic telephone systems
CA1061482A (en) Channel switching unit for a telephone switching centre and switching arrangement utilising such units
US5761207A (en) Multiplex communication system using variable multiframe format

Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20030617