NL271048A - - Google Patents

Info

Publication number
NL271048A
NL271048A NL271048A NL271048A NL271048A NL 271048 A NL271048 A NL 271048A NL 271048 A NL271048 A NL 271048A NL 271048 A NL271048 A NL 271048A NL 271048 A NL271048 A NL 271048A
Authority
NL
Netherlands
Prior art keywords
letter
letters
key
decyphering
cypher
Prior art date
Application number
NL271048A
Other languages
English (en)
Other versions
NL135020C (de
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 NL271048A publication Critical patent/NL271048A/xx
Application granted granted Critical
Publication of NL135020C publication Critical patent/NL135020C/xx

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)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Document Processing Apparatus (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Communication Control (AREA)
NL271048A 1960-11-07 1961-11-06 NL135020C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1243160A CH382216A (de) 1960-11-07 1960-11-07 Gerät zur Ver- und Entschlüsselung eines in Fernschreibersymbolen niedergelegten Textes

Publications (2)

Publication Number Publication Date
NL271048A true NL271048A (de) 1964-07-27
NL135020C NL135020C (de) 1972-09-15

Family

ID=4382957

Family Applications (1)

Application Number Title Priority Date Filing Date
NL271048A NL135020C (de) 1960-11-07 1961-11-06

Country Status (6)

Country Link
US (1) US3229037A (de)
BE (1) BE609863A (de)
CH (1) CH382216A (de)
DE (1) DE1151400B (de)
GB (1) GB1010430A (de)
NL (1) NL135020C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051127A (de) * 1963-02-22
FR1362007A (fr) * 1963-04-12 1964-05-29 Electronique & Automatisme Sa Perfectionnements aux systèmes de chiffrement
DE1216921C2 (de) * 1963-12-24 1976-05-13 Gretag Ag Verfahren zur Synchronisierung der Ver- und Entschluesselung von impulsfoermigen, binaer codierten Nachrichten, bei welchem sendeseitig die Nachrichtenklarimpulse mit Schluessel-impulsen gemischt werden
CH439820A (de) * 1964-11-06 1967-07-15 Gretag Ag Verfahren und Einrichtung zur Ver- und Entschlüsselung von Nachrichtensignalen
US4192967A (en) * 1966-05-26 1980-03-11 The United States Of America As Represented By The Secretary Of The Air Force Teletype mixer apparatus for coding and decoding
DE1914890C1 (de) * 1969-03-24 1977-11-10 Siemens Ag Verfahren zum Ermoeglichen einer Fernschreibuebertragung mit 26-er Buchstabenverschluesselung
CH506217A (de) * 1970-03-16 1971-04-15 Europ Handelsges Anst Schaltung für Verschlüsselungsgeräte
CH594261A5 (de) * 1975-11-20 1977-12-30 Europ Handelsges Anst

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874215A (en) * 1955-03-23 1959-02-17 Teletype Corp Two-tape cipher system

Also Published As

Publication number Publication date
US3229037A (en) 1966-01-11
GB1010430A (en) 1965-11-17
BE609863A (de)
DE1151400B (de) 1963-07-11
CH382216A (de) 1964-09-30
NL135020C (de) 1972-09-15

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