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GB2128450B - Time-division switching unit - Google Patents

Time-division switching unit

Info

Publication number
GB2128450B
GB2128450B GB08320492A GB8320492A GB2128450B GB 2128450 B GB2128450 B GB 2128450B GB 08320492 A GB08320492 A GB 08320492A GB 8320492 A GB8320492 A GB 8320492A GB 2128450 B GB2128450 B GB 2128450B
Authority
GB
United Kingdom
Prior art keywords
time
switching unit
division switching
division
unit
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
GB08320492A
Other versions
GB8320492D0 (en
GB2128450A (en
Inventor
Eiichi Amada
Hiroshi Kuwahara
Hirotoshi Shirasu
Taihei Suzuki
Takashi Morita
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP57173219A external-priority patent/JPS5963835A/en
Priority claimed from JP18742982A external-priority patent/JPS5977793A/en
Priority claimed from JP11832383A external-priority patent/JPS6012890A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB8320492D0 publication Critical patent/GB8320492D0/en
Publication of GB2128450A publication Critical patent/GB2128450A/en
Application granted granted Critical
Publication of GB2128450B publication Critical patent/GB2128450B/en
Expired legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0626—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators
    • H04J3/0629—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators in a network, e.g. in combination with switching or multiplexing, slip buffers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB08320492A 1982-10-04 1983-07-29 Time-division switching unit Expired GB2128450B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP57173219A JPS5963835A (en) 1982-10-04 1982-10-04 Synchronizing circuit of bit
JP18742982A JPS5977793A (en) 1982-10-27 1982-10-27 Time-division switch
JP11832383A JPS6012890A (en) 1983-07-01 1983-07-01 Synchronizing circuit of time division switch

Publications (3)

Publication Number Publication Date
GB8320492D0 GB8320492D0 (en) 1983-09-01
GB2128450A GB2128450A (en) 1984-04-26
GB2128450B true GB2128450B (en) 1986-01-29

Family

ID=27313553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08320492A Expired GB2128450B (en) 1982-10-04 1983-07-29 Time-division switching unit

Country Status (1)

Country Link
GB (1) GB2128450B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8508740D0 (en) * 1985-04-03 1985-05-09 Plessey Co Plc Switching arrangements
HU194465B (en) * 1985-11-29 1988-01-28 Mta Koezponti Fiz Kutato Intez Method and device for the matrix interconnection of synchronous and/or asynchronous digital data transfer lines, advantageously in the case of serial data transfer
CA1253639A (en) * 1986-01-22 1989-05-02 Alan F. Graves Frame alignment of tributaries of a t.d.m. bit stream
GB8610888D0 (en) * 1986-05-03 1986-06-11 Int Computers Ltd Variable delay circuit
CA1299274C (en) * 1987-07-24 1992-04-21 Shin-Ichiro Hayano Time-division multiplex switching network
JPH02164153A (en) * 1988-12-19 1990-06-25 Fujitsu Ltd Bit phase difference absorbing system
ATE121888T1 (en) * 1990-03-12 1995-05-15 Siemens Ag FLEXIBLE MULTIPLEX SYSTEM.
GB2248998A (en) * 1990-10-15 1992-04-22 * Gec Plessey Telecommunications Limited Multiple HDLC processor
GB9105922D0 (en) * 1991-03-20 1991-05-08 Plessey Telecomm Time switch speech store module
KR100204918B1 (en) * 1997-05-23 1999-06-15 윤종용 Time-switch and its control method which has control memory accomplishing word operation
GB2326305A (en) * 1997-06-13 1998-12-16 Schlumberger Ind Ltd Local exchange testing
GB0118196D0 (en) 2001-07-26 2001-09-19 Zarlink Semiconductor Ltd Apparatus for switching time division multiplex channels

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495429A (en) * 1966-03-09 1967-09-22 Labo Cent Telecommunicat Synchronization circuits in a pulse code modulation transmission network

Also Published As

Publication number Publication date
GB8320492D0 (en) 1983-09-01
GB2128450A (en) 1984-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960729