FR2292386A1 - Procede de voilement de la parole par echange dans le temps de sections de parole - Google Patents

Procede de voilement de la parole par echange dans le temps de sections de parole

Info

Publication number
FR2292386A1
FR2292386A1 FR7535581A FR7535581A FR2292386A1 FR 2292386 A1 FR2292386 A1 FR 2292386A1 FR 7535581 A FR7535581 A FR 7535581A FR 7535581 A FR7535581 A FR 7535581A FR 2292386 A1 FR2292386 A1 FR 2292386A1
Authority
FR
France
Prior art keywords
speech
saving process
time exchange
sections
speech sections
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.)
Granted
Application number
FR7535581A
Other languages
English (en)
French (fr)
Other versions
FR2292386B1 (de
Inventor
Klaus Kirschner
Jorg Robra
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.)
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Original Assignee
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
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 and Guilleaume Fernmeldeanlagen GmbH filed Critical Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Publication of FR2292386A1 publication Critical patent/FR2292386A1/fr
Application granted granted Critical
Publication of FR2292386B1 publication Critical patent/FR2292386B1/fr
Granted legal-status Critical Current

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)
FR7535581A 1974-11-23 1975-11-21 Procede de voilement de la parole par echange dans le temps de sections de parole Granted FR2292386A1 (fr)

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
FR2292386A1 true FR2292386A1 (fr) 1976-06-18
FR2292386B1 FR2292386B1 (de) 1980-02-08

Family

ID=5931540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535581A Granted FR2292386A1 (fr) 1974-11-23 1975-11-21 Procede de voilement de la parole par echange dans le temps de sections de parole

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379948A1 (fr) * 1977-02-05 1978-09-01 Tekade Felten & Guilleaume Procede de codage de la parole suivant le procede de brouillage temporaire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222809A1 (de) * 1973-03-19 1974-10-18 Patelhold Patentverwertung

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
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222809A1 (de) * 1973-03-19 1974-10-18 Patelhold Patentverwertung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379948A1 (fr) * 1977-02-05 1978-09-01 Tekade Felten & Guilleaume Procede de codage de la parole suivant le procede de brouillage temporaire

Also Published As

Publication number Publication date
FR2292386B1 (de) 1980-02-08
AU8689875A (en) 1977-06-02
SE7513112L (sv) 1976-05-24
GB1515937A (en) 1978-06-28
DK146748B (da) 1983-12-19
DE2455477B2 (de) 1977-08-25
SE403023B (sv) 1978-07-24
NL7513495A (nl) 1976-05-25
BE835826A (fr) 1976-03-16
DE2455477C3 (de) 1982-08-26
DK526975A (da) 1976-05-24
CH604433A5 (de) 1978-09-15
DE2455477A1 (de) 1976-05-26
AT343722B (de) 1978-06-12
ATA888375A (de) 1977-10-15
NL164165C (nl) 1980-11-17
NL164165B (nl) 1980-06-16
ZA757335B (en) 1977-06-29
DK146748C (da) 1984-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse