FR1587308A - - Google Patents

Info

Publication number
FR1587308A
FR1587308A FR1587308DA FR1587308A FR 1587308 A FR1587308 A FR 1587308A FR 1587308D A FR1587308D A FR 1587308DA FR 1587308 A FR1587308 A FR 1587308A
Authority
FR
France
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)
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 FR1587308A publication Critical patent/FR1587308A/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
    • G09C1/06—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
    • G09C1/10—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Complex Calculations (AREA)
  • Input From Keyboards Or The Like (AREA)
FR1587308D 1962-03-06 1963-03-06 Expired FR1587308A (oth)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL275586 1962-03-06

Publications (1)

Publication Number Publication Date
FR1587308A true FR1587308A (oth) 1970-03-20

Family

ID=19753661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1587308D Expired FR1587308A (oth) 1962-03-06 1963-03-06

Country Status (4)

Country Link
DK (1) DK100163A (oth)
FR (1) FR1587308A (oth)
GB (1) GB1118671A (oth)
NO (1) NO129227B (oth)

Also Published As

Publication number Publication date
GB1118671A (en) 1968-07-03
DK100163A (da) 1982-04-28
NO129227B (oth) 1974-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse