CA2014994A1 - Systeme de transfert d'informations protegees - Google Patents

Systeme de transfert d'informations protegees

Info

Publication number
CA2014994A1
CA2014994A1 CA2014994A CA2014994A CA2014994A1 CA 2014994 A1 CA2014994 A1 CA 2014994A1 CA 2014994 A CA2014994 A CA 2014994A CA 2014994 A CA2014994 A CA 2014994A CA 2014994 A1 CA2014994 A1 CA 2014994A1
Authority
CA
Canada
Prior art keywords
data
add
drop
interface
controller
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.)
Granted
Application number
CA2014994A
Other languages
English (en)
Other versions
CA2014994C (fr
Inventor
Keith Lewis Bernhardt
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.)
Nokia of America Corp
Original Assignee
Alcatel NA Inc
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 Alcatel NA Inc filed Critical Alcatel NA Inc
Publication of CA2014994A1 publication Critical patent/CA2014994A1/fr
Application granted granted Critical
Publication of CA2014994C publication Critical patent/CA2014994C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • H04L12/40026Details regarding a bus guardian
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • H04L12/40013Details regarding a bus controller

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Bus Control (AREA)
  • Debugging And Monitoring (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA002014994A 1989-04-21 1990-04-20 Systeme de transfert d'informations protegees Expired - Fee Related CA2014994C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/341,551 1989-04-21
US07/341,551 US4949334A (en) 1989-04-21 1989-04-21 Protected information transfer system

Publications (2)

Publication Number Publication Date
CA2014994A1 true CA2014994A1 (fr) 1990-10-21
CA2014994C CA2014994C (fr) 1994-05-24

Family

ID=23338059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002014994A Expired - Fee Related CA2014994C (fr) 1989-04-21 1990-04-20 Systeme de transfert d'informations protegees

Country Status (5)

Country Link
US (1) US4949334A (fr)
EP (1) EP0393569A3 (fr)
JP (1) JPH0362213A (fr)
AU (1) AU624936B2 (fr)
CA (1) CA2014994C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033044A (en) * 1990-05-15 1991-07-16 Alcatel Na Network Systems Corp. System for aligning transmission facility framing bits to the sonet H4 multiframe indicator byte
US5524109A (en) * 1991-06-20 1996-06-04 Bay Networks, Incorporated Token ring concentrator having retiming function
EP0522626A3 (en) * 1991-07-01 1993-03-31 Philips Patentverwaltung Gmbh Local area network of data terminating equipment
US5493581A (en) * 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
FI92449C (fi) * 1992-12-29 1994-11-10 Nokia Telecommunications Oy Häiriötön kytkeytyminen aikajakoiseen väylään
TW242206B (fr) * 1993-08-27 1995-03-01 At & T Corp
US5586271A (en) * 1994-09-27 1996-12-17 Macrolink Inc. In-line SCSI bus circuit for providing isolation and bi-directional communication between two portions of a SCSI bus
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
DE10347301B4 (de) 2003-10-08 2007-12-13 Infineon Technologies Ag Schaltung mit einem Bus mit mehreren Empfängern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090035A (en) * 1975-12-17 1978-05-16 Martin Marietta Corporation Line access module
US4121054A (en) * 1977-01-03 1978-10-17 Martin Marietta Corporation Regenerative line access module
US4393492A (en) * 1981-02-17 1983-07-12 Reliance Electric Co. Digital subscriber carrier system including drop terminals and bypass and loopback means and alarm indication means
SE442070B (sv) * 1981-07-10 1985-11-25 Ericsson Telefon Ab L M Sett for att i ett telekommunikationssystem, vid overforing av information mellan terminaler vilka er anslutna till varandra genom en gemensam ringbuss, astadkomma en anpassning i overgangen mellan ringbussen och respek
US4468767A (en) * 1981-12-07 1984-08-28 Coastcom Drop-and-insert multiplex digital communications system
GB2207326A (en) * 1987-07-22 1989-01-25 Gec Avionics Ring-shaped local area network

Also Published As

Publication number Publication date
EP0393569A2 (fr) 1990-10-24
JPH0362213A (ja) 1991-03-18
EP0393569A3 (fr) 1992-08-19
CA2014994C (fr) 1994-05-24
AU5307690A (en) 1990-10-25
US4949334A (en) 1990-08-14
AU624936B2 (en) 1992-06-25

Similar Documents

Publication Publication Date Title
EP0315157A3 (fr) Système de mémoire à semi-conducteur
DE69322068D1 (de) Phasenkomparator
CA2186312A1 (fr) Circuit d'identification a tete d'impression a jet d'encre dote de registres a decalage dynamiques a sortie serie
IT1241344B (it) Dispositivo di segnalazione diagnostica multifunzionale per il cruscotto di un autoveicolo
JPS5631154A (en) Memory device
HK56695A (en) Memory timing circuit employing models
CA2014994A1 (fr) Systeme de transfert d'informations protegees
TW360791B (en) Memory array test circuit and method
CA2110310A1 (fr) Circuit moniteur a bus pour systeme de commutation
HK36994A (en) Apparatus for read handshake in high-speed asynchronous bus interface
EP0198568A3 (fr) Système logique de saisie de données
US5748887A (en) Inter-processor asynchronous serial communication transmission/reception apparatus using each other's memories
EP0352965A3 (fr) Système de transmission de données
EP0117295A3 (fr) Dispositif d'auto-vérification des circuits d'attaque hors-microplaquette d'un système de traitement de données
US4771402A (en) Address comparator
SU1376093A1 (ru) Устройство дл св зи микропроцессорных модулей с магистралью
CA2021744A1 (fr) Decodeur a vraisemblance maximale rapide
SU1205150A1 (ru) Имитатор внешнего устройства
SU1462283A1 (ru) Устройство дл ввода информации
GB1486362A (en) Interface module for a digital data transmission system
SU1647634A2 (ru) Устройство дл цифровой магнитной записи
WO1999011026A3 (fr) Sortie a trois etats dans une partie d'un dispositif d'interconnexion
GB2288953B (en) Self-testing secure-transaction computer input-output bus
SU1238091A1 (ru) Устройство дл вывода информации
SU1381518A1 (ru) Устройство дл сопр жени вычислительной машины с датчиками

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed