FR1005382A - Procédé et dispositif assurant le chiffrement de la transunssion par télétype - Google Patents

Procédé et dispositif assurant le chiffrement de la transunssion par télétype

Info

Publication number
FR1005382A
FR1005382A FR1005382DA FR1005382A FR 1005382 A FR1005382 A FR 1005382A FR 1005382D A FR1005382D A FR 1005382DA FR 1005382 A FR1005382 A FR 1005382A
Authority
FR
France
Prior art keywords
transunssion
teletype
encrypting
teletype transunssion
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)
Inventor
Joseph-Auguste Raffalli
Rene-Henri-Charles-E Pres
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 FR1005382A publication Critical patent/FR1005382A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/06—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
    • G09C1/10—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical
    • G09C1/12—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical comprising contact-bearing permutation discs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR1005382D 1947-07-11 1947-07-11 Procédé et dispositif assurant le chiffrement de la transunssion par télétype Expired FR1005382A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005382T 1947-07-11

Publications (1)

Publication Number Publication Date
FR1005382A true FR1005382A (fr) 1952-04-09

Family

ID=9564727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005382D Expired FR1005382A (fr) 1947-07-11 1947-07-11 Procédé et dispositif assurant le chiffrement de la transunssion par télétype

Country Status (1)

Country Link
FR (1) FR1005382A (fr)

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