[go: up one dir, main page]

BR9002020A - Procedimento e aparelho para a protecao de uma rede de transmissao de dados - Google Patents

Procedimento e aparelho para a protecao de uma rede de transmissao de dados

Info

Publication number
BR9002020A
BR9002020A BR909002020A BR9002020A BR9002020A BR 9002020 A BR9002020 A BR 9002020A BR 909002020 A BR909002020 A BR 909002020A BR 9002020 A BR9002020 A BR 9002020A BR 9002020 A BR9002020 A BR 9002020A
Authority
BR
Brazil
Prior art keywords
bus
procedure
data transmission
transmission network
protecting
Prior art date
Application number
BR909002020A
Other languages
English (en)
Inventor
Asko Juntunen
Heikki Leppanen
Kimmo Selin
Original Assignee
Kone Elevator Gmbh
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 Kone Elevator Gmbh filed Critical Kone Elevator Gmbh
Publication of BR9002020A publication Critical patent/BR9002020A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/60—Systems for communication between relatively movable stations, e.g. for communication with lift
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Dc Digital Transmission (AREA)
  • Protection Of Static Devices (AREA)
  • Electronic Switches (AREA)
  • Rehabilitation Tools (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Electrically Operated Instructional Devices (AREA)
BR909002020A 1989-05-02 1990-04-30 Procedimento e aparelho para a protecao de uma rede de transmissao de dados BR9002020A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI892097A FI82797C (fi) 1989-05-02 1989-05-02 Foerfarande och anordning foer att skydda ett dataoeverfoeringsnaet.

Publications (1)

Publication Number Publication Date
BR9002020A true BR9002020A (pt) 1991-08-13

Family

ID=8528339

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002020A BR9002020A (pt) 1989-05-02 1990-04-30 Procedimento e aparelho para a protecao de uma rede de transmissao de dados

Country Status (12)

Country Link
US (1) US5153808A (pt)
EP (1) EP0396120B1 (pt)
JP (1) JPH0793628B2 (pt)
AT (1) ATE128799T1 (pt)
AU (1) AU634770B2 (pt)
BR (1) BR9002020A (pt)
CA (1) CA2015875A1 (pt)
DE (1) DE69022769T2 (pt)
DK (1) DK0396120T3 (pt)
ES (1) ES2077602T3 (pt)
FI (1) FI82797C (pt)
GR (1) GR3018538T3 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817051B1 (fr) * 2000-11-17 2003-02-14 St Microelectronics Sa Dispositif de pilotage automatique de la tension appliquee au conducteur de donnees d'une liaison serie
US7443308B2 (en) * 2006-03-16 2008-10-28 Adc Dls Systems, Inc. Enhanced AC immunity in ground fault detection
US20120323399A1 (en) * 2011-06-15 2012-12-20 Encelium Holdings, Inc. Bus network
JP6794856B2 (ja) * 2017-02-06 2020-12-02 株式会社リコー 接地ショート箇所検出装置、接地ショート箇所検出方法及び接地ショート箇所検出プログラム
US10996266B2 (en) * 2019-08-09 2021-05-04 Stmicroelectronics International N.V. System and method for testing voltage monitors

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2128119C3 (de) * 1971-06-03 1975-05-22 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Verfahren und Schaltungsanordnung zum Erkennen von Fremdspannungseinflüssen auf Fernmelde-, insbesondere Fernsprechleitungen
US3947759A (en) * 1974-09-16 1976-03-30 Continental Engineering, Inc. Leakage current monitoring system and method
US4197435A (en) * 1978-02-24 1980-04-08 Jackson Amos R Telephone line monitoring circuit and method
US4206398A (en) * 1978-04-26 1980-06-03 Esb Incorporated Method of and apparatus for detecting ground faults in isolated power supply systems
US4347602A (en) * 1978-05-31 1982-08-31 Vdo Adolf Schindling Ag Circuit arrangement for time division multiplex data transmission with a bus system
US4298969A (en) * 1979-09-26 1981-11-03 Exxon Production Research Company Method and apparatus for testing the impedances of geophone channels
IN155620B (pt) * 1980-03-01 1985-02-16 Gen Electric Co Plc
US4410925A (en) * 1982-03-22 1983-10-18 The United States Of America As Represented By The Secretary Of The Navy Ground fault detector and shutdown system
DE3242000A1 (de) * 1982-11-12 1984-05-17 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur fehlerortung in verbindung mit einer einrichtung zur fernspeisung von elektrischen verbrauchern
GB2139436B (en) * 1983-03-17 1986-10-08 Janan Emmanuel Allos Mains protection device
US4551671A (en) * 1983-06-23 1985-11-05 International Business Machines Corp. Terminal disconnect and media wire fault detect mechanism
DE3402633A1 (de) * 1984-01-26 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum anschalten eines teilnehmers an eine busleitung
SE441138B (sv) * 1984-02-01 1985-09-09 Asea Ab Digitalt impedansrele
JPS61296277A (ja) * 1985-06-25 1986-12-27 Toshiba Corp ホ−ムバスシステムにおけるインタフエ−ス回路の異常検出装置
JPS6232739A (ja) * 1985-08-05 1987-02-12 Nec Corp 切換制御方式
US4796147A (en) * 1986-10-15 1989-01-03 Anderson Benjamin C Method for detecting voltage losses in a low voltage distribution system
JPH0533087Y2 (pt) * 1987-04-23 1993-08-24
FR2616277B1 (fr) * 1987-06-05 1990-12-07 Thomson Semiconducteurs Circuit pour poste telephonique incorporant une protection contre les surcharges de tension
JPH0817390B2 (ja) * 1987-08-18 1996-02-21 昭和電線電纜株式会社 トランシ−バケ−ブルテスト回路
US4853950A (en) 1987-10-29 1989-08-01 3Com Corporation Impedance measuring apparatus for R.F. baseband signals over two wire telephone lines
US4949211A (en) * 1989-05-05 1990-08-14 Motorola Inc. Protective, bi-level drive for FET's

Also Published As

Publication number Publication date
ATE128799T1 (de) 1995-10-15
DE69022769T2 (de) 1996-05-02
JPH02305143A (ja) 1990-12-18
JPH0793628B2 (ja) 1995-10-09
FI892097L (fi) 1990-11-03
FI82797C (fi) 1991-04-10
EP0396120B1 (en) 1995-10-04
CA2015875A1 (en) 1990-11-02
EP0396120A3 (en) 1992-10-21
DE69022769D1 (de) 1995-11-09
US5153808A (en) 1992-10-06
ES2077602T3 (es) 1995-12-01
EP0396120A2 (en) 1990-11-07
FI82797B (fi) 1990-12-31
AU5458790A (en) 1990-11-08
GR3018538T3 (en) 1996-03-31
FI892097A0 (fi) 1989-05-02
AU634770B2 (en) 1993-03-04
DK0396120T3 (da) 1996-02-12

Similar Documents

Publication Publication Date Title
DE69017853D1 (de) Blitzschutzvorrichtung für Hochspannungsturm.
DE69405687D1 (de) Verbindungbefestigung eines elektrischen Kabels
BR9002020A (pt) Procedimento e aparelho para a protecao de uma rede de transmissao de dados
DE69113968D1 (de) Messbrücke für Referenzspannung für Gerät zur Überwachung und Messung der Isolation eines elektrischen Gleichspannungsnetzes.
DE59203496D1 (de) Hochspannungsmesseinrichtung.
DE4492963T1 (de) Schutzvorrichtung vor Blitzschlag-Stromstößen auf Hochspannungsleitungen
EP0407938A3 (en) Circuit for protecting electrical equipment against overvoltage
DE69205130D1 (de) Beseitigung eines elektrischen Leiterbahnsteges.
IT8603301A0 (it) Dispositivo perfezionato per la protezione di apparechciature telefoniche e/o di telematica contro i disturbi interessanti le linee collegate a dette apparecchiature
IT8303543A0 (it) Dispositivo perfezionato per la protezione di apparecchiature da sovratensioni interessanti la linea di alimentazione delle stesse apparecchiature
NO172920C (no) Overspenningsbeskyttelse for en langstrakt terminalblokk med en flerhet av koblingsstykker
KR950028914U (ko) 모니터의 이상신호 입력시 보호장치
IT217197Z2 (it) Spina modulare per la protezione diapparecchiature elettroniche colle gate a linee di telecomunicazioni
IT8946877A0 (it) Dispositivo di protezione da sovratensione o sovracorrenti di linee_elettriche e/o telefoniche
KR910013141U (ko) 전기기기의 소손 방지 장치
BR9102070A (pt) Aparelho de teste de resposta de frequencia
EG20421A (en) Electronical protection device switchs of the electrical loods simulteneusly if any one of power feeder (r.s.t.n.) is fault or 15% maximum mains voltage drop
KR910003567U (ko) 전화기의 전용회선 시험장치
KR890018259U (ko) 전력공급기의 과전압 방지회로
BR6600869U (pt) Aparelho de teste de isolacao por alta tensao
IT8604701V0 (it) Dispositivo perfezionato per la protezione di apparecchiature teleofniche e/o di telematica contro le sovratensioni
CS675688A1 (en) Connection of voltage source's overvoltage protection with sensor's attachment checking
IT1199384B (it) Dispositivo perfezionato per la protezione di apparecchiature elettriche e/o elettroniche controle sovratensioni interessanti la rete di alimentazione delle stesse apparecchiature
IT8553009V0 (it) Dispositivo per la protezione antistatica di un apparecchiatura elettronica e del relativo operatore
AT399428B (de) Schutzmodul zum überspannungsschutz von elektrischen geräten

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law