FI881395A - Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel. - Google Patents

Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel. Download PDF

Info

Publication number
FI881395A
FI881395A FI881395A FI881395A FI881395A FI 881395 A FI881395 A FI 881395A FI 881395 A FI881395 A FI 881395A FI 881395 A FI881395 A FI 881395A FI 881395 A FI881395 A FI 881395A
Authority
FI
Finland
Prior art keywords
fjaerrkommunikationsvaexel
foer ett
ett system
saekerhetsanordning
saekerhetsanordning foer
Prior art date
Application number
FI881395A
Other languages
English (en)
Other versions
FI881395A0 (fi
Inventor
John William Ansell
Geoffrey Chopping
Richard Noel Waters
Original Assignee
Plessey Co Plc
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 Plc filed Critical Plessey Co Plc
Publication of FI881395A publication Critical patent/FI881395A/fi
Publication of FI881395A0 publication Critical patent/FI881395A0/fi

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
FI881395A 1986-07-24 1988-03-23 Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel. FI881395A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868618100A GB8618100D0 (en) 1986-07-24 1986-07-24 Security arrangement
PCT/GB1987/000525 WO1988000786A2 (en) 1986-07-24 1987-07-22 Security arrangement for a telecommunications exchange system

Publications (2)

Publication Number Publication Date
FI881395A true FI881395A (fi) 1988-03-23
FI881395A0 FI881395A0 (fi) 1988-03-23

Family

ID=10601635

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881395A FI881395A0 (fi) 1986-07-24 1988-03-23 Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel.

Country Status (11)

Country Link
US (1) US4858223A (fi)
EP (1) EP0254559A3 (fi)
JP (1) JPH01500951A (fi)
KR (1) KR880702035A (fi)
CN (1) CN1008049B (fi)
DK (1) DK162688A (fi)
FI (1) FI881395A0 (fi)
GB (2) GB8618100D0 (fi)
IN (1) IN168441B (fi)
PT (1) PT85393A (fi)
WO (1) WO1988000786A2 (fi)

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
SE387509B (sv) * 1973-03-19 1976-09-06 Ericsson L M Pty Ltd Sett att omkoppla digital data i en telefon- eller dataanleggning samt anordning for utforande av settet
FR2233780B1 (fi) * 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
IT1133349B (it) * 1980-10-07 1986-07-09 Italtel Spa Rete di transito perfezionata per sistemi di telecomunicazioni a divisione di tempo
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
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
DK162688A (da) 1988-05-24
PT85393A (pt) 1988-07-29
KR880702035A (ko) 1988-11-07
EP0254559A2 (en) 1988-01-27
CN87106044A (zh) 1988-05-18
WO1988000786A3 (en) 1988-03-24
CN1008049B (zh) 1990-05-16
WO1988000786A2 (en) 1988-01-28
US4858223A (en) 1989-08-15
EP0254559A3 (en) 1988-05-04
GB2193062A (en) 1988-01-27
GB2193062B (en) 1990-03-28
DK162688D0 (da) 1988-03-24
GB8710191D0 (en) 1987-06-03
JPH01500951A (ja) 1989-03-30
IN168441B (fi) 1991-04-06
GB8618100D0 (en) 1986-09-03
FI881395A0 (fi) 1988-03-23

Similar Documents

Publication Publication Date Title
FI872254A (fi) Positionskaennande system foer ett roerligt foeremaol.
FI872209A (fi) Fasthaollare foer ett containerlock.
FI871058A (fi) Anvaendningsmetod foer en felsaekrad multiprocessorcentralenhet i ett foermedlingssystem.
FI863867A0 (fi) Lyftboggi foer ett nyttofordon.
FI870719A0 (fi) Elektronkanonsystem foer ett faergkatodstraolroer.
FI861798A (fi) Propelleranordning foer ett fartyg.
FI861851A0 (fi) Anordning foer ett axiallager i en borrmaskin.
FI874015A (fi) Tillslutningsanordning foer ett kaerl.
FI864704A0 (fi) Koppling foer aotergivningsdelen i en foer ett telefonsystem avsedd fm-mottagare.
FI861939A0 (fi) Anordning foer avstoedning av ett axiallager i en borrmaskin.
FI873163A (fi) Stoedanordning foer ett granatkastarroer.
FI875564A0 (fi) Databussystem foer ett seriedatabussystem.
FI875201A (fi) Kraemformig polerkomposition innehaollande ett maettat terpenloesningsmedel.
FI881395A (fi) Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel.
FI871103A (fi) Vaerme- och matningssystem foer avisningsvaetska i ett flyplan.
FI863803A0 (fi) Hylsstift anordnat i ett fordonsdaeck.
FI874364A (fi) Skydd foer ljussystemet i ett fordon.
FI873318A0 (fi) Skyddshuvenhet foer ett droppsystem.
FI870288A (fi) Avfyrningsanordning foer ett portabelt skjutvapen.
FI864523A (fi) Sidolastningssystem foer ett fartyg.
FI860080A (fi) Kanalelement foer ett ventilationskanalsystem.
FI870304A (fi) Antenngenomfoering foer ett antennanpassningsdon.
FI860478A (fi) Foerfarande foer styrning av en vaermevaexlare i ett ventilationssystem.
FI860004A0 (fi) Anordning foer spolning i ett slagverktyg.
FI861560A (fi) Haollanordning foer ett verktyg foer en borrmaskin.

Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: GEC PLESSEY TELECOMMUNICATIONS LIMITED