BE771528A - Appareil a chiffrer pour des signaux codes a plusieurs moments - Google Patents

Appareil a chiffrer pour des signaux codes a plusieurs moments

Info

Publication number
BE771528A
BE771528A BE771528A BE771528A BE771528A BE 771528 A BE771528 A BE 771528A BE 771528 A BE771528 A BE 771528A BE 771528 A BE771528 A BE 771528A BE 771528 A BE771528 A BE 771528A
Authority
BE
Belgium
Prior art keywords
encryption device
signals coded
several moments
moments
several
Prior art date
Application number
BE771528A
Other languages
English (en)
Original Assignee
Hagelin Boris Casar Wilhelm
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 Hagelin Boris Casar Wilhelm filed Critical Hagelin Boris Casar Wilhelm
Publication of BE771528A publication Critical patent/BE771528A/fr

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
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
BE771528A 1970-08-20 1971-08-19 Appareil a chiffrer pour des signaux codes a plusieurs moments BE771528A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1249770A CH515576A (de) 1970-08-20 1970-08-20 Gerät zur Ver- und Entschlüsselung von mehrstellig codierten Signalen

Publications (1)

Publication Number Publication Date
BE771528A true BE771528A (fr) 1971-12-31

Family

ID=4383549

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771528A BE771528A (fr) 1970-08-20 1971-08-19 Appareil a chiffrer pour des signaux codes a plusieurs moments

Country Status (13)

Country Link
US (1) US3752920A (fr)
AT (1) AT326737B (fr)
BE (1) BE771528A (fr)
CA (1) CA952822A (fr)
CH (1) CH515576A (fr)
DE (1) DE2131063C3 (fr)
DK (1) DK144960C (fr)
FI (1) FI55425C (fr)
FR (1) FR2101952A5 (fr)
GB (1) GB1352593A (fr)
NL (1) NL7111010A (fr)
NO (1) NO133297C (fr)
SE (1) SE363450B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604432A5 (fr) * 1977-03-16 1978-09-15 Europ Handelsges Anst
NL183862C (nl) * 1980-02-04 1989-02-01 Philips Nv Telecommunicatiestelsel met gecodeerde berichtoverdracht.
GB2100944B (en) * 1981-06-24 1985-03-06 Racal Res Ltd Synchronisation circuits
US4555591A (en) * 1982-09-07 1985-11-26 At&T Bell Laboratories Integrated circuit devices for secure data encryption
SE465006B (sv) * 1989-06-16 1991-07-08 Televerket Foerfarande och anordning foer kryptering vid datakommunikation mellan dataterminaler

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE514962C (de) * 1928-02-28 1930-12-24 Siemens & Halske Akt Ges Verfahren zur Unschaedlichmachung von positiven (atmosphaerischen) und negativen (Fading-) Stoerungen bei der UEbermittlung, insbesondere drahtlos gesendeter Telegraphierzeichen
GB389504A (en) * 1931-09-17 1933-03-17 Int Communications Lab Inc Radio printing telegraph systems
BE381169A (fr) * 1930-07-30
US2050265A (en) * 1933-07-14 1936-08-11 American Telephone & Telegraph Iterative telegraph system
NL200501A (fr) * 1955-01-26
NL233484A (fr) * 1958-01-07
CH362555A (de) * 1958-06-07 1962-06-15 Hagelin Boris Caesar Wilhelm Anordnung zum Fortschalten einer Gruppe von Elementen mit unregelmässiger Schrittfolge
DE1100679B (de) * 1959-10-16 1961-03-02 Siemens Ag Verfahren und Schaltungsanordnung zur Sicherung von Fernschreibnachrichten, bei denen die einzelnen Zeichen in einem 5-Schritte-Code uebertragen werden
CH402937A (de) * 1961-08-18 1965-11-30 Gretag Ag Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten
US3522374A (en) * 1966-06-17 1970-07-28 Int Standard Electric Corp Ciphering unit
CH471432A (de) * 1967-01-25 1969-04-15 Europ Handelsges Anst Magnetischer Informationsspeicher
DE1293817B (de) * 1967-11-10 1969-04-30 Telefunken Patent Verfahren zur gesicherten UEbertragung binaer kodierter Informationen
US3541257A (en) * 1968-11-27 1970-11-17 Gen Electric Communication response unit

Also Published As

Publication number Publication date
DK144960C (da) 1982-11-29
DE2131063A1 (de) 1972-02-24
NO133297B (fr) 1975-12-29
CH515576A (de) 1971-11-15
CA952822A (en) 1974-08-13
NO133297C (fr) 1976-04-07
FI55425B (fi) 1979-03-30
DE2131063B2 (de) 1980-03-27
ATA567671A (de) 1975-03-15
NL7111010A (fr) 1972-02-22
DK144960B (da) 1982-07-12
FI55425C (fi) 1979-07-10
SE363450B (fr) 1974-01-14
DE2131063C3 (de) 1986-07-31
GB1352593A (en) 1974-05-08
FR2101952A5 (fr) 1972-03-31
AT326737B (de) 1975-12-29
US3752920A (en) 1973-08-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ANSTALT EUROPAISCHE HANDELS-G.

Effective date: 19860831