FR865220A - Télégraphie secrète et multiple - Google Patents

Télégraphie secrète et multiple

Info

Publication number
FR865220A
FR865220A FR865220DA FR865220A FR 865220 A FR865220 A FR 865220A FR 865220D A FR865220D A FR 865220DA FR 865220 A FR865220 A FR 865220A
Authority
FR
France
Prior art keywords
secret
telegraphy
multiple telegraphy
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
Application number
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR865220A publication Critical patent/FR865220A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
FR865220D 1940-01-12 1940-01-12 Télégraphie secrète et multiple Expired FR865220A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR865220T 1940-01-12

Publications (1)

Publication Number Publication Date
FR865220A true FR865220A (fr) 1941-05-16

Family

ID=9344247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865220D Expired FR865220A (fr) 1940-01-12 1940-01-12 Télégraphie secrète et multiple

Country Status (1)

Country Link
FR (1) FR865220A (fr)

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