DK564262A - Apparat til fremfoering af en gruppe trinvis fremfoerte kodeelementer i en "o"-"1" generator - Google Patents

Apparat til fremfoering af en gruppe trinvis fremfoerte kodeelementer i en "o"-"1" generator

Info

Publication number
DK564262A
DK564262A DK564262A DK564262A DK564262A DK 564262 A DK564262 A DK 564262A DK 564262 A DK564262 A DK 564262A DK 564262 A DK564262 A DK 564262A DK 564262 A DK564262 A DK 564262A
Authority
DK
Denmark
Prior art keywords
generator
group
code elements
present code
present
Prior art date
Application number
DK564262A
Other languages
Danish (da)
English (en)
Inventor
R M M Oberman
A Snijders
Original Assignee
Philips Usfa Nv
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 by Philips Usfa Nv filed Critical Philips Usfa Nv
Publication of DK564262A publication Critical patent/DK564262A/da

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Steroid Compounds (AREA)
  • Control Of Stepping Motors (AREA)
DK564262A 1961-12-29 1962-12-28 Apparat til fremfoering af en gruppe trinvis fremfoerte kodeelementer i en "o"-"1" generator DK564262A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL273047 1961-12-29

Publications (1)

Publication Number Publication Date
DK564262A true DK564262A (da) 1982-04-28

Family

ID=19753506

Family Applications (1)

Application Number Title Priority Date Filing Date
DK564262A DK564262A (da) 1961-12-29 1962-12-28 Apparat til fremfoering af en gruppe trinvis fremfoerte kodeelementer i en "o"-"1" generator

Country Status (5)

Country Link
DK (1) DK564262A (enExample)
FR (1) FR1584201A (enExample)
GB (1) GB1120031A (enExample)
NL (2) NL105818C (enExample)
NO (1) NO129226B (enExample)

Also Published As

Publication number Publication date
NO129226B (enExample) 1974-03-11
NL105818C (enExample)
FR1584201A (enExample) 1969-12-19
GB1120031A (en) 1968-07-17
NL273047A (enExample)

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