FR1209000A - Complementary teletype device - Google Patents

Complementary teletype device

Info

Publication number
FR1209000A
FR1209000A FR1209000DA FR1209000A FR 1209000 A FR1209000 A FR 1209000A FR 1209000D A FR1209000D A FR 1209000DA FR 1209000 A FR1209000 A FR 1209000A
Authority
FR
France
Prior art keywords
complementary
teletype device
teletype
complementary teletype
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anstalt Europaeische Handelsgesellschaft
Original Assignee
Anstalt Europaeische Handelsgesellschaft
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 Anstalt Europaeische Handelsgesellschaft filed Critical Anstalt Europaeische Handelsgesellschaft
Application granted granted Critical
Publication of FR1209000A publication Critical patent/FR1209000A/en
Expired legal-status Critical Current

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)
FR1209000D 1958-01-07 1958-12-08 Complementary teletype device Expired FR1209000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5444158A CH374717A (en) 1958-01-07 1958-01-07 Mixing device that can be connected to a telex

Publications (1)

Publication Number Publication Date
FR1209000A true FR1209000A (en) 1960-02-26

Family

ID=4519263

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1209000D Expired FR1209000A (en) 1958-01-07 1958-12-08 Complementary teletype device

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH515576A (en) * 1970-08-20 1971-11-15 Hagelin Boris Caesar Wilhelm Device for encryption and decryption of multi-digit coded signals
CH594261A5 (en) * 1975-11-20 1977-12-30 Europ Handelsges Anst
CH604432A5 (en) * 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 (en) * 1955-04-05 1957-10-10 Siemens Ag Perforated tape transmitter with additional key device
DE1066610B (en) * 1956-09-20 1959-10-08 Standard Elektrik Lorenz Aktiengesellschaft, Stuttgart-Zuffenhausen Security device for mixing devices in the case of encryption processes
DE1006458B (en) * 1957-01-18 1957-04-18 Siemens Ag Process for generating and sending or decrypting encrypted multi-step alphabet telex and equipment for carrying out the process

Also Published As

Publication number Publication date
NL233484A (en)
DE1111239B (en) 1961-07-20
US3083263A (en) 1963-03-26
DK105986C (en) 1966-12-05
GB910648A (en) 1962-11-14
CH374717A (en) 1964-01-31

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