FR1597786A - - Google Patents

Info

Publication number
FR1597786A
FR1597786A FR1597786DA FR1597786A FR 1597786 A FR1597786 A FR 1597786A FR 1597786D A FR1597786D A FR 1597786DA FR 1597786 A FR1597786 A FR 1597786A
Authority
FR
France
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
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Application granted granted Critical
Publication of FR1597786A publication Critical patent/FR1597786A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
    • 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
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
FR1597786D 1967-12-11 1968-12-11 Expired FR1597786A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5614967 1967-12-11

Publications (1)

Publication Number Publication Date
FR1597786A true FR1597786A (fr) 1970-06-29

Family

ID=10475857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1597786D Expired FR1597786A (fr) 1967-12-11 1968-12-11

Country Status (10)

Country Link
US (4) US3622705A (fr)
AU (2) AU6691074A (fr)
BE (1) BE725296A (fr)
CH (1) CH514964A (fr)
DE (1) DE1814067A1 (fr)
ES (6) ES361299A1 (fr)
FR (1) FR1597786A (fr)
GB (1) GB1257623A (fr)
NL (1) NL6817772A (fr)
SE (6) SE357482B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2119152A5 (fr) * 1970-12-22 1972-08-04 Lannionnais Electronique
DE2102371B2 (de) * 1971-01-19 1972-07-13 Siemens AG, 1000 Berlin u. 8000 München Schaltungsanordnung zur ueberwachung von pcm-koppeleinrichtungen
DE2308855C2 (de) * 1973-02-22 1974-12-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Erkennung von Doppelverbindungen in Zeitmultiplex-Digital-Fernmeldevermittlungsanlagen, insbesondere PCM-Fernsprechvermittlungsanlagen
GB1504897A (en) * 1974-08-09 1978-03-22 Ericsson L M Pty Ltd Method for through connection check in digital data systems
US3909562A (en) * 1974-09-12 1975-09-30 Int Standard Electric Corp Switching network testing process and arrangement
DE2529475C3 (de) * 1975-07-02 1981-10-08 Ewald Max Christian Dipl.-Phys. 6000 Frankfurt Hennig Elektrische Schaltungsanordnung zum zeitabhängigen Messen von physikalischen Größen
FR2471088A1 (fr) * 1979-12-07 1981-06-12 Inst Francais Du Petrole Dispositif de transmission de donnees entre des dispositifs d'acquisition de donnees et un dispositif d'enregistrement
US4429391A (en) 1981-05-04 1984-01-31 Bell Telephone Laboratories, Incorporated Fault and error detection arrangement
US4371758A (en) * 1981-06-08 1983-02-01 Bell Telephone Laboratories, Incorporated Defective short holding-time trunk identifying method
GB8923158D0 (en) * 1989-10-13 1989-11-29 Plessey Telecomm Fault detection and bandwidth monitoring means for an atd switch
JP3895912B2 (ja) * 2000-09-01 2007-03-22 矢崎総業株式会社 制御ユニット及び、多重通信システム
CN113285852B (zh) * 2021-05-14 2022-11-11 李国志 一种实现多路e1信号同步测试的方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878327A (en) * 1956-11-06 1959-03-17 Sperry Rand Corp High gain magnetic amplifier
US3047840A (en) * 1960-02-03 1962-07-31 Harms Victor Translators for multi-channel codes employing matrices
US3217106A (en) * 1960-03-14 1965-11-09 Nippon Electric Co Time-slot interchange circuit
DE1206970B (de) * 1960-05-09 1965-12-16 Fuji Tsushinki Seizo Kabushiki Schaltungsanordnung zum zeitlichen Versetzen von Nachrichtenkanaelen in Zeitmultiplex-nachrichtensystemen
US3263030A (en) * 1961-09-26 1966-07-26 Rca Corp Digital crosspoint switch
BE626601A (fr) * 1961-12-29
US3160852A (en) * 1962-03-19 1964-12-08 Bell Telephone Labor Inc Checking circuit
NL297347A (fr) * 1962-09-19
NL299267A (fr) * 1963-04-15
DE1278544B (de) * 1963-09-23 1968-09-26 Siemens Ag Verfahren und Schaltungsanordnung zum UEbertragen von mehreren impulsmodulierten Fernmeldenachrichten ueber einen gemeinsamen UEbertragungsweg in Zeitmultiplexanlagen, insbesondere Zeitmultiplex-Fernsprechvermittlungsanlagen
US3337849A (en) * 1963-11-26 1967-08-22 Bell Telephone Labor Inc Matrix control having both signal and crosspoint fault detection
FR1443867A (fr) * 1963-12-24 1966-07-01 Système de commande d'émission de signalisation
US3348198A (en) * 1964-08-04 1967-10-17 Bell Telephone Labor Inc Code-checking comparator circuit
US3381270A (en) * 1964-08-05 1968-04-30 Bell Telephone Labor Inc Error detection circuits
US3376393A (en) * 1964-09-22 1968-04-02 North Electric Co Method of and apparatus for providing different release signals with detection of search busy or cut-through busy condition in a saturation signalling system
GB1125563A (en) * 1964-11-09 1968-08-28 Gen Electric Co Ltd Improvements in or relating to automatic switching systems
FR1439029A (fr) * 1964-12-24 1966-05-20 Constr Telephoniques Perfectionnements aux systèmes de surveillance d'installations de commutation
US3340363A (en) * 1965-01-26 1967-09-05 Stromberg Carlson Corp Signal amplitude sequenced time division multiplex communication system
US3461242A (en) * 1965-02-24 1969-08-12 Bell Telephone Labor Inc Time division switching system
US3458659A (en) * 1965-09-15 1969-07-29 New North Electric Co Nonblocking pulse code modulation system having storage and gating means with common control
US3449526A (en) * 1966-04-08 1969-06-10 Itt Trap circuit for use in an electronic switching telephone system
US3551601A (en) * 1968-04-02 1970-12-29 American Telephone & Telegraph Equipment for automatically retrying customer dialed calls
US3588367A (en) * 1968-08-07 1971-06-28 Itt Monitor and alarm circuit for self-seeking network
US3586784A (en) * 1969-04-10 1971-06-22 Itt Cross-point-switching arrangement

Also Published As

Publication number Publication date
SE373254B (fr) 1975-01-27
ES382770A1 (es) 1973-04-16
ES361299A1 (es) 1970-12-01
SE7115345L (fr) 1971-11-30
US3760114A (en) 1973-09-18
ES382769A1 (es) 1973-04-16
AU6691374A (en) 1974-06-13
ES382768A1 (es) 1973-04-16
DE1814067A1 (de) 1969-07-03
BE725296A (fr) 1969-05-16
US3760115A (en) 1973-09-18
SE7115341L (fr) 1971-11-30
NL6817772A (fr) 1969-06-13
SE372394B (fr) 1974-12-16
SE7115342L (fr) 1971-11-30
US3760107A (en) 1973-09-18
ES382772A1 (es) 1973-04-16
GB1257623A (fr) 1971-12-22
CH514964A (de) 1971-10-31
AU6691074A (en) 1974-06-13
ES382771A1 (es) 1973-04-16
SE357482B (fr) 1973-06-25
US3622705A (en) 1971-11-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse