FR39166E - Advanced typewriter - Google Patents

Advanced typewriter

Info

Publication number
FR39166E
FR39166E FR39166DA FR39166E FR 39166 E FR39166 E FR 39166E FR 39166D A FR39166D A FR 39166DA FR 39166 E FR39166 E FR 39166E
Authority
FR
France
Prior art keywords
typewriter
advanced
advanced 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
French (fr)
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 FR39166E publication Critical patent/FR39166E/en
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)
FR39166D 1930-10-13 1930-10-13 Advanced typewriter Expired FR39166E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39166T 1930-10-13

Publications (1)

Publication Number Publication Date
FR39166E true FR39166E (en) 1931-10-08

Family

ID=8675589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39166D Expired FR39166E (en) 1930-10-13 1930-10-13 Advanced typewriter

Country Status (1)

Country Link
FR (1) FR39166E (en)

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