FI753737A - - Google Patents

Info

Publication number
FI753737A
FI753737A FI753737A FI753737A FI753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A
Authority
FI
Finland
Application number
FI753737A
Other languages
Finnish (fi)
Inventor
Peter Frutiger
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
Publication of FI753737A publication Critical patent/FI753737A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Relay Systems (AREA)
  • Dc Digital Transmission (AREA)
FI753737A 1975-02-05 1975-12-31 FI753737A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH136675A CH581930A5 (da) 1975-02-05 1975-02-05

Publications (1)

Publication Number Publication Date
FI753737A true FI753737A (da) 1976-08-06

Family

ID=4208738

Family Applications (1)

Application Number Title Priority Date Filing Date
FI753737A FI753737A (da) 1975-02-05 1975-12-31

Country Status (16)

Country Link
US (1) US4079195A (da)
JP (1) JPS51103715A (da)
AR (1) AR229335A1 (da)
AT (1) AT346395B (da)
BE (1) BE838158A (da)
CA (1) CA1054066A (da)
CH (1) CH581930A5 (da)
DE (1) DE2603843C2 (da)
DK (1) DK42876A (da)
FI (1) FI753737A (da)
FR (1) FR2300472A1 (da)
GB (1) GB1512925A (da)
IT (1) IT1055059B (da)
NL (1) NL7601009A (da)
NO (1) NO760340L (da)
SE (1) SE7601091L (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604432A5 (da) * 1977-03-16 1978-09-15 Europ Handelsges Anst
JPS54129901A (en) * 1978-03-31 1979-10-08 Toshiba Corp Secret communication system
JPS5746553A (en) 1980-09-05 1982-03-17 Hitachi Ltd Code synchronizing device
CH656760A5 (de) * 1981-11-11 1986-07-15 Landis & Gyr Ag Verfahren und anordnung zur sicherstellung der start-synchronisation eines aus bit-impulsfolgen bestehenden telegramms innerhalb eines empfaengers.
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
US4661980A (en) * 1982-06-25 1987-04-28 The United States Of America As Represented By The Secretary Of The Navy Intercept resistant data transmission system
DE3518462A1 (de) * 1985-05-23 1986-11-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart System zur verschluesselten nachrichtenuebertragung
DE3832946A1 (de) * 1988-09-28 1990-04-05 Siemens Ag Verfahren zur verschluesselung digitaler zeitmultiplexsignale
US5237593A (en) * 1989-05-04 1993-08-17 Stc, Plc Sequence synchronisation
US6590981B2 (en) * 2000-02-22 2003-07-08 Zyfer, Inc. System and method for secure cryptographic communications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076733B (de) * 1958-05-29 1960-03-03 Telefunken Gmbh Anordnung zur Sicherstellung des Synchronlaufs der Schluessel-zeichengeneratoren aufder Sende- und Empfangsseite bei der Geheimuebertragung von kodierten Nachrichtensignalen
FR1582790A (da) * 1968-01-16 1969-10-10
US3639838A (en) * 1968-01-30 1972-02-01 Hughes Aircraft Co Synchronized variable delay time division communication system
US3597539A (en) * 1968-12-04 1971-08-03 Itt Frame synchronization system
CH539989A (de) * 1971-04-19 1973-07-31 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung
NL7110022A (da) * 1971-07-21 1973-01-23
US3740478A (en) * 1971-10-19 1973-06-19 Philips Corp Pseudo-random multiplex synchronizer
NL7317591A (nl) * 1973-12-21 1975-06-24 Nederlanden Staat Stelsel voor het overdragen van een bitreeks.
US3936601A (en) * 1974-05-28 1976-02-03 Burroughs Corporation Method and apparatus for altering the synchronous compare character in a digital data communication system

Also Published As

Publication number Publication date
CH581930A5 (da) 1976-11-15
FR2300472A1 (fr) 1976-09-03
NO760340L (da) 1976-08-06
US4079195A (en) 1978-03-14
FR2300472B1 (da) 1981-12-31
AT346395B (de) 1978-11-10
DE2603843C2 (de) 1985-06-20
DK42876A (da) 1976-08-06
IT1055059B (it) 1981-12-21
JPS51103715A (da) 1976-09-13
AR229335A1 (es) 1983-07-29
CA1054066A (en) 1979-05-08
ATA71876A (de) 1978-03-15
SE7601091L (sv) 1976-08-06
BE838158A (fr) 1976-05-28
NL7601009A (nl) 1976-08-09
DE2603843A1 (de) 1976-08-19
GB1512925A (en) 1978-06-01

Similar Documents

Publication Publication Date Title
FR2300472B1 (da)
JPS5245109U (da)
FR2347335B1 (da)
JPS5193383A (da)
JPS5529119Y2 (da)
JPS5335160Y2 (da)
JPS5252014Y2 (da)
JPS5278819U (da)
JPS51129634U (da)
JPS51108949U (da)
JPS5251U (da)
JPS51100826U (da)
JPS5213055U (da)
CH604481A5 (da)
CH601361A5 (da)
CH592314A5 (da)
CH597786A5 (da)
CH605132A5 (da)
CH605066A5 (da)
CH605060A5 (da)
CH604781A5 (da)
CH604662A5 (da)
CH589394A5 (da)
CH604221A5 (da)
CH603773A5 (da)

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: ANSTALT EUROPAEISCHE HANDELSGESELLSHAFT