BE378566A - - Google Patents

Info

Publication number
BE378566A
BE378566A BE378566DA BE378566A BE 378566 A BE378566 A BE 378566A BE 378566D A BE378566D A BE 378566DA BE 378566 A BE378566 A BE 378566A
Authority
BE
Belgium
Application number
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
Publication of BE378566A publication Critical patent/BE378566A/xx

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C3/00Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04Typewriters 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
    • G09C3/06Typewriters 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)
  • Input From Keyboards Or The Like (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Handling Of Sheets (AREA)
BE378566D 1930-03-29 1931-03-27 BE378566A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB708928X 1930-03-29

Publications (1)

Publication Number Publication Date
BE378566A true BE378566A (en:Method) 1931-04-30

Family

ID=10494207

Family Applications (1)

Application Number Title Priority Date Filing Date
BE378566D BE378566A (en:Method) 1930-03-29 1931-03-27

Country Status (4)

Country Link
BE (1) BE378566A (en:Method)
DE (1) DE568789C (en:Method)
FR (2) FR699759A (en:Method)
GB (1) GB381267A (en:Method)

Also Published As

Publication number Publication date
FR708928A (fr) 1931-07-30
GB381267A (en) 1932-10-06
FR699759A (fr) 1931-02-19
DE568789C (de) 1933-01-25

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