FR1567628A - - Google Patents

Info

Publication number
FR1567628A
FR1567628A FR1567628DA FR1567628A FR 1567628 A FR1567628 A FR 1567628A FR 1567628D A FR1567628D A FR 1567628DA FR 1567628 A FR1567628 A FR 1567628A
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
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 filed Critical
Application granted granted Critical
Publication of FR1567628A publication Critical patent/FR1567628A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/105—Multiple levels of security

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR1567628D 1967-05-31 1968-05-31 Expired FR1567628A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES110098A DE1299679B (de) 1967-05-31 1967-05-31 Verfahren zum Klassifizieren von Verbindungen in einem Daten-Waehlnetz

Publications (1)

Publication Number Publication Date
FR1567628A true FR1567628A (fr) 1969-05-16

Family

ID=7529978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1567628D Expired FR1567628A (fr) 1967-05-31 1968-05-31

Country Status (7)

Country Link
BE (1) BE715955A (fr)
CH (1) CH470118A (fr)
DE (1) DE1299679B (fr)
FR (1) FR1567628A (fr)
GB (1) GB1170040A (fr)
NL (1) NL6807474A (fr)
SE (1) SE333948B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266302A (en) * 1975-11-29 1977-06-01 Nippon Telegr & Teleph Corp <Ntt> Closed area communication system
DE3036804A1 (de) * 1980-09-30 1982-05-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Sicherheitssystem zur verhinderung unerlaubter manipulationen bei der elektronischen textuebertragung in nachrichtennetzen
DE3205204A1 (de) * 1982-02-13 1983-08-25 Efka-Werke Fritz Kiehn Gmbh, 7218 Trossingen Klappverpackung

Also Published As

Publication number Publication date
GB1170040A (en) 1969-11-12
BE715955A (fr) 1968-12-02
NL6807474A (fr) 1968-12-02
SE333948B (fr) 1971-04-05
CH470118A (de) 1969-03-15
DE1299679B (de) 1969-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse