CH604433A5 - - Google Patents

Info

Publication number
CH604433A5
CH604433A5 CH1505775A CH1505775A CH604433A5 CH 604433 A5 CH604433 A5 CH 604433A5 CH 1505775 A CH1505775 A CH 1505775A CH 1505775 A CH1505775 A CH 1505775A CH 604433 A5 CH604433 A5 CH 604433A5
Authority
CH
Switzerland
Application number
CH1505775A
Inventor
Klaus Kirschner
Joerg Robra
Original Assignee
Tekade Felten & Guilleaume
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 Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume
Publication of CH604433A5 publication Critical patent/CH604433A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CH1505775A 1974-11-23 1975-11-20 CH604433A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2455477A DE2455477C3 (de) 1974-11-23 1974-11-23 Verfahren zur Sprachverschleierung durch zeitliches Vertauschen der Sprachabschnitte

Publications (1)

Publication Number Publication Date
CH604433A5 true CH604433A5 (da) 1978-09-15

Family

ID=5931540

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1505775A CH604433A5 (da) 1974-11-23 1975-11-20

Country Status (10)

Country Link
AT (1) AT343722B (da)
BE (1) BE835826A (da)
CH (1) CH604433A5 (da)
DE (1) DE2455477C3 (da)
DK (1) DK146748C (da)
FR (1) FR2292386A1 (da)
GB (1) GB1515937A (da)
NL (1) NL164165C (da)
SE (1) SE403023B (da)
ZA (1) ZA757335B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704822C3 (de) * 1977-02-05 1980-10-23 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Verfahren zur Sprachverschlüsselung nach dem Zeitverwürfelungsverfahren
DE2809719C3 (de) * 1978-03-07 1985-03-14 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Erhöhung der Sicherheit gegen unbefugte Rückschlüsselung von verschlüsselter Sprache
CA1226914A (en) * 1984-01-26 1987-09-15 The University Of British Columbia Modem for pseudo noise communication on a.c. lines

Family Cites Families (10)

* 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
NL244086A (da) * 1958-12-10
CH402937A (de) * 1961-08-18 1965-11-30 Gretag Ag Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten
CH411030A (de) * 1964-08-06 1966-04-15 Patelhold Patentverwertung Einrichtung zur Verschlüsselung einer impulsförmigen Nachricht
CH435363A (de) * 1965-11-26 1967-05-15 Patelhold Patentverwertung Einrichtung zur Synchronisierung von Impulsgeneratoren
CH518658A (de) * 1970-07-07 1972-01-31 Patelhold Patentverwaltungs Un Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen
CH524287A (de) * 1970-09-25 1972-06-15 Patelhold Patentverwertung Verfahren zur automatischen Einstellung eines Transversalfilters zur Impulsentzerrung
CH558993A (de) * 1973-03-19 1975-02-14 Patelhold Patentverwertung Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung.
CH559483A5 (da) * 1973-06-12 1975-02-28 Patelhold Patentverwertung
DE2704822C3 (de) * 1977-02-05 1980-10-23 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Verfahren zur Sprachverschlüsselung nach dem Zeitverwürfelungsverfahren

Also Published As

Publication number Publication date
NL164165C (nl) 1980-11-17
SE403023B (sv) 1978-07-24
ZA757335B (en) 1977-06-29
ATA888375A (de) 1977-10-15
SE7513112L (sv) 1976-05-24
DK526975A (da) 1976-05-24
DE2455477A1 (de) 1976-05-26
DK146748C (da) 1984-05-28
DK146748B (da) 1983-12-19
DE2455477C3 (de) 1982-08-26
BE835826A (fr) 1976-03-16
GB1515937A (en) 1978-06-28
FR2292386B1 (da) 1980-02-08
FR2292386A1 (fr) 1976-06-18
AU8689875A (en) 1977-06-02
NL164165B (nl) 1980-06-16
DE2455477B2 (de) 1977-08-25
AT343722B (de) 1978-06-12
NL7513495A (nl) 1976-05-25

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Legal Events

Date Code Title Description
PL Patent ceased