FR719095A - Machine à écrire cryptographique - Google Patents

Machine à écrire cryptographique

Info

Publication number
FR719095A
FR719095A FR719095DA FR719095A FR 719095 A FR719095 A FR 719095A FR 719095D A FR719095D A FR 719095DA FR 719095 A FR719095 A FR 719095A
Authority
FR
France
Prior art keywords
typewriter
cryptographic
cryptographic typewriter
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
Gaston-Edward Wilkinson
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 FR719095A publication Critical patent/FR719095A/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)
FR719095D 1931-06-24 1931-06-24 Machine à écrire cryptographique Expired FR719095A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR719095T 1931-06-24

Publications (1)

Publication Number Publication Date
FR719095A true FR719095A (fr) 1932-02-01

Family

ID=9090877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719095D Expired FR719095A (fr) 1931-06-24 1931-06-24 Machine à écrire cryptographique

Country Status (2)

Country Link
BE (1) BE381314A (fr)
FR (1) FR719095A (fr)

Also Published As

Publication number Publication date
BE381314A (fr)

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