NL135020C - - Google Patents

Info

Publication number
NL135020C
NL135020C NL271048A NL271048A NL135020C NL 135020 C NL135020 C NL 135020C NL 271048 A NL271048 A NL 271048A NL 271048 A NL271048 A NL 271048A NL 135020 C NL135020 C NL 135020C
Authority
NL
Netherlands
Prior art keywords
letter
letters
key
decyphering
cypher
Prior art date
Application number
NL271048A
Other languages
English (en)
Other versions
NL271048A (sk
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

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00Apparatus 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
    • G09C1/06Apparatus 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
    • G09C1/10Apparatus 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 (sk)

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 NL271048A (sk) 1964-07-27
NL135020C true NL135020C (sk) 1972-09-15

Family

ID=4382957

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051127A (sk) * 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 (sk) * 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 (sk)
DE1151400B (de) 1963-07-11
CH382216A (de) 1964-09-30
NL271048A (sk) 1964-07-27

Similar Documents

Publication Publication Date Title
GB1361849A (en) Digital data cyphering technique
NL135020C (sk)
GB1159891A (en) Keyboard Terminal
GB1087860A (en) Improvements in or relating to pulse transmission apparatus
ES415301A2 (es) Mejoras en los procesos de senalizacion en sistemas de transmision mic.
BE581200A (fr) Machine à écrire, comptable ou non ou à sténotyper ou téléscripteur, permettant la frappe simultanee de plusieurs caractères et de touches d'espaces simples ou multiples.
Wallace Note on the radical of a group algebra
GB1067418A (en) Telegraphic transcoder
ES387293A1 (es) Metodo de cifrado de textos escritos en teleimpresor.
NL263171A (sk)
SE313829B (sk)
GB933199A (en) Improvements in or relating to type printing apparatus
GB868951A (en) Improvements in or relating to electrical information transmitting or recording systems
GB999328A (en) Improvements in and relating to ciphering systems
ES272907A1 (es) Sistema de transmisiën de senales telefënicas de modulaciën por impulsos cifrados
GB984206A (en) Improvements in or relating to data communication apparatus
GB886249A (en) Improvements in automatic digital signal keyers
GB1069619A (en) Improvements to systems for protection against errors in transmission
GB991765A (en) Incremental integrator and differential analyser
GB1317094A (en) Circuit for enciphering device
GB1322068A (en) System for encoding input signals
GB1043330A (en) Data translation apparatus
GB1051202A (sk)
GB1255754A (en) Improved method and device for teaching typing and language skills
GB994308A (en) A control arrangement for a punching device