IN168441B - - Google Patents

Info

Publication number
IN168441B
IN168441B IN569/CAL/87A IN569CA1987A IN168441B IN 168441 B IN168441 B IN 168441B IN 569CA1987 A IN569CA1987 A IN 569CA1987A IN 168441 B IN168441 B IN 168441B
Authority
IN
India
Application number
IN569/CAL/87A
Other languages
English (en)
Inventor
John William Ansell
Geofrey Chopping
Richard Noel Waters
Original Assignee
Plessey Co Pic
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 Plessey Co Pic filed Critical Plessey Co Pic
Publication of IN168441B publication Critical patent/IN168441B/en

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
    • H04Q11/0421—Circuit arrangements therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for 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)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Time-Division Multiplex Systems (AREA)
IN569/CAL/87A 1986-07-24 1987-07-24 IN168441B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868618100A GB8618100D0 (en) 1986-07-24 1986-07-24 Security arrangement

Publications (1)

Publication Number Publication Date
IN168441B true IN168441B (ja) 1991-04-06

Family

ID=10601635

Family Applications (1)

Application Number Title Priority Date Filing Date
IN569/CAL/87A IN168441B (ja) 1986-07-24 1987-07-24

Country Status (11)

Country Link
US (1) US4858223A (ja)
EP (1) EP0254559A3 (ja)
JP (1) JPH01500951A (ja)
KR (1) KR880702035A (ja)
CN (1) CN1008049B (ja)
DK (1) DK162688A (ja)
FI (1) FI881395A (ja)
GB (2) GB8618100D0 (ja)
IN (1) IN168441B (ja)
PT (1) PT85393A (ja)
WO (1) WO1988000786A2 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219172B (en) * 1988-03-30 1992-07-08 Plessey Co Plc A data path checking system
SE515342C2 (sv) * 1994-04-29 2001-07-16 Ericsson Telefon Ab L M Digitalt tidsväljarsystem
WO2009073602A2 (en) * 2007-11-30 2009-06-11 University Of South Florida Trans-endoscopic hydraulic balloon apparatus
US8731002B2 (en) * 2011-03-25 2014-05-20 Invensense, Inc. Synchronization, re-synchronization, addressing, and serialized signal processing for daisy-chained communication devices
US9226292B2 (en) * 2013-07-17 2015-12-29 Cisco Technology, Inc. Resilient forwarding of packets in an ARC chain topology network

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974340A (en) * 1973-03-19 1976-08-10 L.M. Ericsson Pty Ltd. Data switching apparatus and method
FR2233780B1 (ja) * 1973-06-13 1977-05-06 Materiel Telephonique
GB1582456A (en) * 1977-04-02 1981-01-07 Gen Electric Digital telecommunication switching systems
US4149038A (en) * 1978-05-15 1979-04-10 Wescom Switching, Inc. Method and apparatus for fault detection in PCM muliplexed system
IT8003532A0 (it) * 1980-10-07 1980-10-07 Italtel Spa Dispositivo per il controllo della continuita' spazio-temporale dei collegamenti dinamici di una retedi transito per sistemi di telecomunicazioni a divisione di tempo
IT1133349B (it) * 1980-10-07 1986-07-09 Italtel Spa Rete di transito perfezionata per sistemi di telecomunicazioni a divisione di tempo
US4424421A (en) * 1981-10-23 1984-01-03 Lynch Communication Systems, Inc. Apparatus for testing subscriber carrier systems
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
GB2120041B (en) * 1982-04-24 1985-10-02 Plessey Co Plc Digital switching network for telecommunications exchange
US4500985A (en) * 1982-12-08 1985-02-19 At&T Bell Laboratories Communication path continuity verification arrangement
US4543651A (en) * 1983-09-12 1985-09-24 At&T Bell Laboratories Duplicated time division switching system
GB2181023B (en) * 1985-09-24 1989-04-05 Stc Plc Telecommunications switching system

Also Published As

Publication number Publication date
GB8710191D0 (en) 1987-06-03
WO1988000786A3 (en) 1988-03-24
EP0254559A3 (en) 1988-05-04
GB2193062A (en) 1988-01-27
FI881395A0 (fi) 1988-03-23
CN87106044A (zh) 1988-05-18
KR880702035A (ko) 1988-11-07
CN1008049B (zh) 1990-05-16
PT85393A (pt) 1988-07-29
DK162688A (da) 1988-05-24
JPH01500951A (ja) 1989-03-30
FI881395A (fi) 1988-03-23
US4858223A (en) 1989-08-15
DK162688D0 (da) 1988-03-24
WO1988000786A2 (en) 1988-01-28
GB8618100D0 (en) 1986-09-03
GB2193062B (en) 1990-03-28
EP0254559A2 (en) 1988-01-27

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