FR802931A - Perfectionnements aux machines à cryptographier - Google Patents

Perfectionnements aux machines à cryptographier

Info

Publication number
FR802931A
FR802931A FR802931DA FR802931A FR 802931 A FR802931 A FR 802931A FR 802931D A FR802931D A FR 802931DA FR 802931 A FR802931 A FR 802931A
Authority
FR
France
Prior art keywords
cryptographic machines
cryptographic
machines
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
Bougier
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 FR802931A publication Critical patent/FR802931A/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
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
    • G09C3/06—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being mechanical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR802931D 1936-02-27 1936-02-27 Perfectionnements aux machines à cryptographier Expired FR802931A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802931T 1936-02-27

Publications (1)

Publication Number Publication Date
FR802931A true FR802931A (fr) 1936-09-18

Family

ID=9249851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802931D Expired FR802931A (fr) 1936-02-27 1936-02-27 Perfectionnements aux machines à cryptographier

Country Status (1)

Country Link
FR (1) FR802931A (fr)

Similar Documents

Publication Publication Date Title
FR845884A (fr) Perfectionnements apportés aux machines à calculer
FR829244A (fr) Perfectionnements aux machines à cryptographier
FR821128A (fr) Machine à calculer
FR800560A (fr) Perfectionnements aux machines à meuler
FR843170A (fr) Perfectionnements aux machines à calculer
FR829233A (fr) Perfectionnements aux machines à diviser
FR824855A (fr) Perfectionnements aux machines à trancher
FR833968A (fr) Perfectionnements aux machines tabulatrices
FR812698A (fr) Perfectionnements aux machines à reproduire
FR837012A (fr) Perfectionnements apportés aux machines à calculer
FR824644A (fr) Perfectionnements aux machines à écrire
FR828037A (fr) Perfectionnements aux machines à toronner
FR822734A (fr) Perfectionnements apportés aux machines à coudre
FR821108A (fr) Perfectionnements aux machines à calculer
FR827669A (fr) Perfectionnements aux machines à calculer
FR827324A (fr) Perfectionnements aux machines à calculer
FR802931A (fr) Perfectionnements aux machines à cryptographier
FR839785A (fr) Perfectionnements apportés aux machines à calculer
FR822923A (fr) Perfectionnements aux machines à imprimer
FR810683A (fr) Perfectionnements aux machines à additionner
FR801716A (fr) Perfectionnements aux machines à meuler
FR818358A (fr) Perfectionnements aux machines à tréfiler
FR818367A (fr) Perfectionnements aux machines à calculer
FR827583A (fr) Perfectionnements apportés aux machines à calculer
FR810156A (fr) Perfectionnements aux machines à calculer