FR696777A - Appareil cryptographique imprimeur - Google Patents

Appareil cryptographique imprimeur

Info

Publication number
FR696777A
FR696777A FR696777DA FR696777A FR 696777 A FR696777 A FR 696777A FR 696777D A FR696777D A FR 696777DA FR 696777 A FR696777 A FR 696777A
Authority
FR
France
Prior art keywords
printer
cryptographic device
cryptographic
printer cryptographic
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
Francois Schimmel
Eugene-Auguste Bidault
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 FR696777A publication Critical patent/FR696777A/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)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
FR696777D 1929-09-04 1929-09-04 Appareil cryptographique imprimeur Expired FR696777A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556463X 1929-09-04

Publications (1)

Publication Number Publication Date
FR696777A true FR696777A (fr) 1931-01-07

Family

ID=8940183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696777D Expired FR696777A (fr) 1929-09-04 1929-09-04 Appareil cryptographique imprimeur

Country Status (4)

Country Link
US (1) US1921327A (fr)
DE (1) DE556463C (fr)
FR (1) FR696777A (fr)
GB (1) GB362002A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529487A (en) * 1944-03-13 1950-11-14 Vernon E Cooley Rotor assembly
US2688198A (en) * 1951-01-09 1954-09-07 Sidney L Neff Coding device
US2884712A (en) * 1952-11-17 1959-05-05 Hagelin Boris Caesar Wilhelm Ciphering device
FR1489051A (fr) * 1966-03-24 1967-11-03
CH457518A (de) * 1966-04-04 1968-06-15 Guhl & Scheibler Ag Einrichtung zum Bedrucken von Etiketten
US3349882A (en) * 1966-05-17 1967-10-31 Transvertex Ab Ciphering machine
US3955497A (en) * 1974-09-18 1976-05-11 James Rawlings Sydnor Bar code printing device
DE4303888C1 (de) * 1993-02-10 1994-09-29 Schwab Hans Peter Kodier/Dekodierkarte
GB9413418D0 (en) * 1994-07-04 1994-08-24 Stone Julian V Device for storing and encrypting an alphanumeric code

Also Published As

Publication number Publication date
GB362002A (en) 1931-12-03
US1921327A (en) 1933-08-08
DE556463C (de) 1932-08-09

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