SE403023B - Forfarande for forvrengd overforing av talsignaler - Google Patents

Forfarande for forvrengd overforing av talsignaler

Info

Publication number
SE403023B
SE403023B SE7513112A SE7513112A SE403023B SE 403023 B SE403023 B SE 403023B SE 7513112 A SE7513112 A SE 7513112A SE 7513112 A SE7513112 A SE 7513112A SE 403023 B SE403023 B SE 403023B
Authority
SE
Sweden
Prior art keywords
procedure
number signals
distorted transmission
distorted
transmission
Prior art date
Application number
SE7513112A
Other languages
English (en)
Swedish (sv)
Other versions
SE7513112L (sv
Inventor
K Kirschner
J 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 SE7513112L publication Critical patent/SE7513112L/
Publication of SE403023B publication Critical patent/SE403023B/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)
SE7513112A 1974-11-23 1975-11-21 Forfarande for forvrengd overforing av talsignaler SE403023B (sv)

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 (2)

Publication Number Publication Date
SE7513112L SE7513112L (sv) 1976-05-24
SE403023B true SE403023B (sv) 1978-07-24

Family

ID=5931540

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7513112A SE403023B (sv) 1974-11-23 1975-11-21 Forfarande for forvrengd overforing av talsignaler

Country Status (10)

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

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 (de) * 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 (de) * 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
FR2292386A1 (fr) 1976-06-18
ZA757335B (en) 1977-06-29
BE835826A (fr) 1976-03-16
DE2455477C3 (de) 1982-08-26
DK146748B (da) 1983-12-19
DE2455477B2 (de) 1977-08-25
FR2292386B1 (de) 1980-02-08
NL7513495A (nl) 1976-05-25
DK146748C (da) 1984-05-28
DE2455477A1 (de) 1976-05-26
ATA888375A (de) 1977-10-15
GB1515937A (en) 1978-06-28
DK526975A (da) 1976-05-24
AT343722B (de) 1978-06-12
AU8689875A (en) 1977-06-02
CH604433A5 (de) 1978-09-15
NL164165B (nl) 1980-06-16
SE7513112L (sv) 1976-05-24

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