FR478943A - Appareil pour chiffrer et déchiffrer les correspondances - Google Patents

Appareil pour chiffrer et déchiffrer les correspondances

Info

Publication number
FR478943A
FR478943A FR478943DA FR478943A FR 478943 A FR478943 A FR 478943A FR 478943D A FR478943D A FR 478943DA FR 478943 A FR478943 A FR 478943A
Authority
FR
France
Prior art keywords
decrypting
encrypting
correspondence
decrypting correspondence
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
Maurice Velin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR478943A publication Critical patent/FR478943A/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
    • G09C1/04—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 with sign carriers or indicators moved relative to one another to positions determined by a permutation code, or key, so as to indicate the appropriate corresponding clear or ciphered text

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR478943D 1914-10-01 1914-10-01 Appareil pour chiffrer et déchiffrer les correspondances Expired FR478943A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR478943T 1914-10-01

Publications (1)

Publication Number Publication Date
FR478943A true FR478943A (fr) 1916-01-19

Family

ID=1516394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478943D Expired FR478943A (fr) 1914-10-01 1914-10-01 Appareil pour chiffrer et déchiffrer les correspondances

Country Status (1)

Country Link
FR (1) FR478943A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924888A (en) * 1954-11-05 1960-02-16 Joseph A Raffalli Coding device
FR2558626A1 (fr) * 1984-01-19 1985-07-26 Nackab Jacques Cryptographe manuel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924888A (en) * 1954-11-05 1960-02-16 Joseph A Raffalli Coding device
FR2558626A1 (fr) * 1984-01-19 1985-07-26 Nackab Jacques Cryptographe manuel

Similar Documents

Publication Publication Date Title
FR469159A (fr) Dispositif à onduler les cheveux
FR435993A (fr) Appareil pour colotomie, caecotomie et cystotomie
FR470014A (fr) Appareil à refroidir les havanes
FR470581A (fr) Appareil pour fermer les lettres
FR467451A (fr) Appareil de massage
FR467542A (fr) Appareil de massage
FR476822A (fr) Appareil de publicité
FR458248A (fr) Appareil cryptographique
FR474166A (fr) Dispositif pour le maintien des cheveux
FR450172A (fr) Appareil pour rafraichir les locaux
FR475773A (fr) Appareil pour la publicité
FR439198A (fr) Appareil de mouture
FR468759A (fr) Appareil enregistreur d'ordres
FR471407A (fr) Appareil pour injections
FR468964A (fr) Appareil de massage
FR469900A (fr) Appareil pour l'injection des gaz
FR475166A (fr) Appareil de mécanothérapie
FR471661A (fr) Appareil de malaxage et de broyage
FR468855A (fr) Appareil pour nettoyer les peignes
FR20028E (fr) Appareil pour publicité changeante
FR19802E (fr) Appareil pour publicité changeante
FR475948A (fr) Appareil pour publicité changeante
FR466965A (fr) Appareil pour aiguiser les couteaux
FR467052A (fr) Appareil pour le brossage des blutoirs
CH66359A (fr) Appareil de broyage