DK105986C - Selvstændigt blandeapparat med en modforvrænger til trinvis chifrering og dechifrering af fjernskrivermeddelelser. - Google Patents

Selvstændigt blandeapparat med en modforvrænger til trinvis chifrering og dechifrering af fjernskrivermeddelelser.

Info

Publication number
DK105986C
DK105986C DK443158AA DK443158A DK105986C DK 105986 C DK105986 C DK 105986C DK 443158A A DK443158A A DK 443158AA DK 443158 A DK443158 A DK 443158A DK 105986 C DK105986 C DK 105986C
Authority
DK
Denmark
Prior art keywords
scrambler
decryption
counter
remote printer
standalone
Prior art date
Application number
DK443158AA
Other languages
Danish (da)
English (en)
Original Assignee
Europ Handelsges Anst
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 Europ Handelsges Anst filed Critical Europ Handelsges Anst
Application granted granted Critical
Publication of DK105986C publication Critical patent/DK105986C/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
    • 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)
  • Burglar Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DK443158AA 1958-01-07 1958-11-29 Selvstændigt blandeapparat med en modforvrænger til trinvis chifrering og dechifrering af fjernskrivermeddelelser. DK105986C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5444158A CH374717A (de) 1958-01-07 1958-01-07 An einen Fernschreiber anschliessbares Mischgerät

Publications (1)

Publication Number Publication Date
DK105986C true DK105986C (da) 1966-12-05

Family

ID=4519263

Family Applications (1)

Application Number Title Priority Date Filing Date
DK443158AA DK105986C (da) 1958-01-07 1958-11-29 Selvstændigt blandeapparat med en modforvrænger til trinvis chifrering og dechifrering af fjernskrivermeddelelser.

Country Status (7)

Country Link
US (1) US3083263A (de)
CH (1) CH374717A (de)
DE (1) DE1111239B (de)
DK (1) DK105986C (de)
FR (1) FR1209000A (de)
GB (1) GB910648A (de)
NL (1) NL233484A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH515576A (de) * 1970-08-20 1971-11-15 Hagelin Boris Caesar Wilhelm Gerät zur Ver- und Entschlüsselung von mehrstellig codierten Signalen
CH594261A5 (de) * 1975-11-20 1977-12-30 Europ Handelsges Anst
CH604432A5 (de) * 1977-03-16 1978-09-15 Europ Handelsges Anst

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1310719A (en) * 1919-07-22 Secret signaling system
US2028818A (en) * 1934-06-21 1936-01-28 American Telephone & Telegraph Printing telegraph system
US2504621A (en) * 1946-12-03 1950-04-18 Bell Telephone Labor Inc Enciphering and deciphering device for secret telegraph systems
US2547515A (en) * 1949-06-23 1951-04-03 Teletype Corp Secrecy system
DE1017206B (de) * 1955-04-05 1957-10-10 Siemens Ag Lochstreifensender mit Schluesselzusatzeinrichtung
DE1066610B (de) * 1956-09-20 1959-10-08 Standard Elektrik Lorenz Aktiengesellschaft, Stuttgart-Zuffenhausen Sicherheitseinrichtung für Mischgeräte bei Verschlüsselungsverfahren
DE1006458B (de) * 1957-01-18 1957-04-18 Siemens Ag Verfahren zum Erzeugen und Aussenden bzw. zum Entschluesseln verschluesselter Mehrschritt-Alphabet-Fernschreiben und Einrichtungen zur Durchfuehrung des Verfahrens

Also Published As

Publication number Publication date
CH374717A (de) 1964-01-31
NL233484A (de)
US3083263A (en) 1963-03-26
DE1111239B (de) 1961-07-20
FR1209000A (fr) 1960-02-26
GB910648A (en) 1962-11-14

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