DE3782265D1 - Vielfach-zugriff-kommunikationssystem mit schaltungseinrichtung zur schleifenpruefung fuer das durchschalten von lokalen verbindungen. - Google Patents

Vielfach-zugriff-kommunikationssystem mit schaltungseinrichtung zur schleifenpruefung fuer das durchschalten von lokalen verbindungen.

Info

Publication number
DE3782265D1
DE3782265D1 DE8787302892T DE3782265T DE3782265D1 DE 3782265 D1 DE3782265 D1 DE 3782265D1 DE 8787302892 T DE8787302892 T DE 8787302892T DE 3782265 T DE3782265 T DE 3782265T DE 3782265 D1 DE3782265 D1 DE 3782265D1
Authority
DE
Germany
Prior art keywords
switching
communication system
circuit device
access communication
local connections
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 - Fee Related
Application number
DE8787302892T
Other languages
English (en)
Other versions
DE3782265T2 (de
Inventor
Ryuhei Fujiwara
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3782265D1 publication Critical patent/DE3782265D1/de
Publication of DE3782265T2 publication Critical patent/DE3782265T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/14WLL [Wireless Local Loop]; RLL [Radio Local Loop]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Meter Arrangements (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
DE8787302892T 1986-04-05 1987-04-02 Vielfach-zugriff-kommunikationssystem mit schaltungseinrichtung zur schleifenpruefung fuer das durchschalten von lokalen verbindungen. Expired - Fee Related DE3782265T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7754086 1986-04-05

Publications (2)

Publication Number Publication Date
DE3782265D1 true DE3782265D1 (de) 1992-11-26
DE3782265T2 DE3782265T2 (de) 1993-05-19

Family

ID=13636830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302892T Expired - Fee Related DE3782265T2 (de) 1986-04-05 1987-04-02 Vielfach-zugriff-kommunikationssystem mit schaltungseinrichtung zur schleifenpruefung fuer das durchschalten von lokalen verbindungen.

Country Status (7)

Country Link
US (1) US4756018A (de)
EP (1) EP0241228B1 (de)
JP (1) JPS6345997A (de)
KR (1) KR900007153B1 (de)
AU (1) AU585803B2 (de)
CA (1) CA1267960A (de)
DE (1) DE3782265T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154536A (ja) * 1988-12-06 1990-06-13 Nec Corp 通話回線試験方式
US5355405A (en) * 1992-06-26 1994-10-11 At&T Bell Laboratories Arrangement for dynamically identifying the assignment of a subscriber telephone loop connection at a serving terminal
KR960040039A (ko) * 1995-04-03 1996-11-25 김주용 디지탈 이동통신 교환기 (msc)의 가청 톤 전용 신호 서비스 장치 및 방법
US5684789A (en) * 1995-06-29 1997-11-04 Lucent Technologies Inc. Remote control, link independent A/B switch box with diagnostic loopback
CN1055366C (zh) * 1995-09-28 2000-08-09 深圳市华为技术有限公司 基于程控交换机的蜂窝式集群通信方法及其系统
KR100277038B1 (ko) * 1998-12-23 2001-01-15 윤종용 다기능 아날로그 트렁크 회로_
WO2013104116A1 (zh) * 2012-01-11 2013-07-18 深圳市华奥通通信技术有限公司 一种无线通信系统及方法
MY182777A (en) 2014-10-31 2021-02-05 Ericsson Telefon Ab L M Radio receiver, method of detecting an obtruding signal in the radio receiver, and computer program

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778555A (en) * 1971-07-19 1973-12-11 Digital Telephone Systems Inc Telephone subscriber line system intra call apparatus and method
US3917908A (en) * 1972-06-19 1975-11-04 Lynch Communication Systems Call concentrator with expanded intracall capability
US4284848A (en) * 1979-08-01 1981-08-18 Frost Edward G Switched network telephone subscriber distribution system
JPS59181734A (ja) * 1983-03-30 1984-10-16 Nec Corp 無線電話方式
JPS6033746A (ja) * 1983-08-04 1985-02-21 Nec Corp 衛星回線監視方式
US4616180A (en) * 1983-11-14 1986-10-07 Technicare Corporation Nuclear magnetic resonance imaging with reduced sensitivity to motional effects
JPS60126997A (ja) * 1983-12-13 1985-07-06 Nec Corp 集線段交換方式
US4817190A (en) * 1985-08-27 1989-03-28 Motorola, Inc. Method for dynamically regrouping subscribers on a communications system
DE3786590T2 (de) * 1986-04-26 1994-02-24 Nec Corp Funktelefonsystem mit gemeinsamem Signalisierungskanal.

Also Published As

Publication number Publication date
US4756018A (en) 1988-07-05
CA1267960C (en) 1990-04-17
JPH0481920B2 (de) 1992-12-25
EP0241228B1 (de) 1992-10-21
DE3782265T2 (de) 1993-05-19
KR900007153B1 (ko) 1990-09-29
JPS6345997A (ja) 1988-02-26
EP0241228A3 (en) 1989-06-14
KR870010720A (ko) 1987-11-30
EP0241228A2 (de) 1987-10-14
CA1267960A (en) 1990-04-17
AU7110787A (en) 1987-10-08
AU585803B2 (en) 1989-06-22

Similar Documents

Publication Publication Date Title
DE3786590D1 (de) Funktelefonsystem mit gemeinsamem signalisierungskanal.
DE3750674T2 (de) Halbleiterintegrierte Schaltung mit Prüffunktion.
FR2598788B1 (fr) Dispositif de refrigeration.
DE3787517D1 (de) Halbleiteranordnung mit konstantem Strom.
DE3789135T2 (de) Funktelefonsystem.
DE3773078D1 (de) Integrierte halbleiterschaltung mit testschaltung.
DE69022605T2 (de) Elektrische Verbindungsvorrichtung.
DE3783074T2 (de) Zeit-multiplex-kommunikationssystem mit gemeinsamem lokalem uebertragungsweg und lokaler zeitschlitz fuer vermittlungsinterne rufe.
DE3766422D1 (de) Integrierte hybridschaltung.
DE3784407D1 (de) Flipflop-schaltung.
DE3773456D1 (de) Verbindungsgeraet fuer integrierte schaltung.
DE3788532D1 (de) Funkübertragungssystem mit vereinfachter Fehlerkorrekturschaltung und schneller Kanalumschaltung.
DE3773433D1 (de) Abisolierfreie verbindungsvorrichtung.
FR2618276B1 (fr) Dispositif de commutation electronique.
DE3750805D1 (de) Schutzschalter mit schnellem Auslöser.
DE3761353D1 (de) Trennvorrichtung.
NO873965D0 (no) Anordning for aa koble sammen apparater med asynkrone kretser.
DE3784793D1 (de) Integrierte schaltung mit verbesserter schutzvorrichtung.
DE3782265D1 (de) Vielfach-zugriff-kommunikationssystem mit schaltungseinrichtung zur schleifenpruefung fuer das durchschalten von lokalen verbindungen.
DE3750482T2 (de) Schaltvorrichtung.
DE3778212D1 (de) Elektronisches handetikettiergeraet.
DE3788941D1 (de) Schaltvorrichtung.
DE3781601D1 (de) Elektronisches handetikettiergeraet.
DE3777290D1 (de) Mitlaufende trennvorrichtung.
DK385587D0 (da) Kredsloebsplade til anvendelse inden for kommunikationsteknikken

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee