NO129227B - - Google Patents

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Publication number
NO129227B
NO129227B NO14777263A NO14777263A NO129227B NO 129227 B NO129227 B NO 129227B NO 14777263 A NO14777263 A NO 14777263A NO 14777263 A NO14777263 A NO 14777263A NO 129227 B NO129227 B NO 129227B
Authority
NO
Norway
Prior art keywords
output
signal
zero
circuit
input
Prior art date
Application number
NO14777263A
Other languages
English (en)
Norwegian (no)
Inventor
R 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 NO129227B publication Critical patent/NO129227B/no

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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)
  • Input From Keyboards Or The Like (AREA)
  • Complex Calculations (AREA)
NO14777263A 1962-03-06 1963-03-05 NO129227B (2)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NO129227B true NO129227B (2) 1974-03-11

Family

ID=19753661

Family Applications (1)

Application Number Title Priority Date Filing Date
NO14777263A NO129227B (2) 1962-03-06 1963-03-05

Country Status (4)

Country Link
DK (1) DK100163A (2)
FR (1) FR1587308A (2)
GB (1) GB1118671A (2)
NO (1) NO129227B (2)

Also Published As

Publication number Publication date
GB1118671A (en) 1968-07-03
FR1587308A (2) 1970-03-20
DK100163A (da) 1982-04-28

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