FR2233768A1 - - Google Patents

Info

Publication number
FR2233768A1
FR2233768A1 FR7420634A FR7420634A FR2233768A1 FR 2233768 A1 FR2233768 A1 FR 2233768A1 FR 7420634 A FR7420634 A FR 7420634A FR 7420634 A FR7420634 A FR 7420634A FR 2233768 A1 FR2233768 A1 FR 2233768A1
Authority
FR
France
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
FR7420634A
Other languages
French (fr)
Other versions
FR2233768B1 (en:Method
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of FR2233768A1 publication Critical patent/FR2233768A1/fr
Application granted granted Critical
Publication of FR2233768B1 publication Critical patent/FR2233768B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Communication Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7420634A 1973-06-12 1974-06-10 Expired FR2233768B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH834773A CH559483A5 (en:Method) 1973-06-12 1973-06-12

Publications (2)

Publication Number Publication Date
FR2233768A1 true FR2233768A1 (en:Method) 1975-01-10
FR2233768B1 FR2233768B1 (en:Method) 1978-01-13

Family

ID=4338931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420634A Expired FR2233768B1 (en:Method) 1973-06-12 1974-06-10

Country Status (18)

Country Link
US (1) US3978288A (en:Method)
JP (1) JPS5023707A (en:Method)
AR (1) AR205984A1 (en:Method)
AT (1) AT336689B (en:Method)
BE (1) BE816115A (en:Method)
BR (1) BR7404821D0 (en:Method)
CA (1) CA1028075A (en:Method)
CH (1) CH559483A5 (en:Method)
DE (1) DE2333975C2 (en:Method)
ES (1) ES427136A1 (en:Method)
FR (1) FR2233768B1 (en:Method)
GB (1) GB1479717A (en:Method)
IL (1) IL44994A (en:Method)
IT (1) IT1014904B (en:Method)
NL (1) NL7406968A (en:Method)
NO (1) NO145363C (en:Method)
SE (1) SE400006B (en:Method)
ZA (1) ZA743658B (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027572A1 (de) * 1979-10-18 1981-04-29 Crypto Aktiengesellschaft Verfahren und Vorrichtung zur verschlüsselten Übertragung von Information
EP0184811A3 (en) * 1984-12-12 1988-01-13 Siemens Aktiengesellschaft Berlin Und Munchen Method for the analogous radio transmission of speech

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455477C3 (de) * 1974-11-23 1982-08-26 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Sprachverschleierung durch zeitliches Vertauschen der Sprachabschnitte
DE2737576C1 (de) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Militaerisches Radar- oder Funk-Nachrichtenuebertragungssystem
DE2737577C1 (de) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Militaerisches Radar- oder Funk-Nachrichtenuebertragungssystem
JPS58198934A (ja) * 1982-05-17 1983-11-19 Sony Corp 秘話装置
US4642688A (en) * 1983-06-24 1987-02-10 Scientific Atlanta, Inc. Method and apparatus for creating encrypted and decrypted television signals
DE3688530T2 (de) 1985-02-14 1993-09-23 Nippon Electric Co Geraet zur vermeidung des abhoerens eines funksignals, welches zwischen einer festen einrichtung und einer mobilstation uebertragen wird.
DE3605350C2 (de) * 1986-02-20 1996-02-08 Daimler Benz Aerospace Ag Verfahren zur Tarnung einer durch Funk übertragenen Nachricht
EP0720328B1 (en) * 1994-07-15 2003-12-03 Ntt Mobile Communications Network Inc. Signal transmitting method and communication system
KR100497130B1 (ko) * 1997-04-02 2005-09-20 오트크리토에 악츠이오네른오에 옵스체스트보 (모스코브스키야 고로즈카야 텔레폰나야 셋) 이진코드정보의암호화방법
RU2103829C1 (ru) * 1997-04-02 1998-01-27 Государственное унитарное предприятие "Специализированный центр программных систем "Спектр" Способ шифрования информации, представленной двоичным кодом
US6408019B1 (en) 1997-12-29 2002-06-18 Georgia Tech Research Corporation System and method for communication using noise
KR100841411B1 (ko) * 2000-03-14 2008-06-25 소니 가부시끼 가이샤 전송장치, 수신장치, 전송방법, 수신방법과 기록매체
RU2216108C2 (ru) * 2001-07-13 2003-11-10 Попов Никита Викторович Способ защиты информации от несанкционированного доступа с использованием шумоподобных сигналов
DE10138650A1 (de) * 2001-08-07 2003-02-27 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verschlüsseln eines diskreten Signals sowie Verfahren und Vorrichtung zur Entschlüsselung
CA2480509C (en) 2002-03-28 2011-06-07 Martin Dunsmuir Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel
US8239197B2 (en) 2002-03-28 2012-08-07 Intellisist, Inc. Efficient conversion of voice messages into text
US7143028B2 (en) * 2002-07-24 2006-11-28 Applied Minds, Inc. Method and system for masking speech
RU2253184C2 (ru) * 2003-05-19 2005-05-27 Федеральное государственное унитарное предприятие "Воронежский научно-исследовательский институт связи" Способ защиты информации и система радиосвязи с повышенной разведзащищенностью
US7930331B2 (en) * 2005-09-26 2011-04-19 Temarylogic Llc Encipherment of digital sequences by reversible transposition methods
US20050065778A1 (en) * 2003-09-24 2005-03-24 Mastrianni Steven J. Secure speech
RU2382502C2 (ru) * 2008-05-14 2010-02-20 Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный университет им. Н.Г. Чернышевского" Способ многоканальной конфиденциальной передачи информации
RU2399159C1 (ru) * 2008-12-16 2010-09-10 Федеральное государственное учреждение "Федеральный государственный научно-исследовательский испытательный центр радиоэлектронной борьбы и оценки эффективности снижения заметности" Министерства обороны Российской Федерации Способ формирования адаптивной помехи
FR3076414B1 (fr) * 2017-12-28 2020-11-06 Thales Sa Systeme de communications de donnees comportant un canal principal haut debit et un canal de secours bas debit a haute fiabilite

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1362590A (fr) * 1963-04-23 1964-06-05 Csf Procédé et dispositif de chiffrement
BE722404A (en:Method) * 1966-05-05 1969-04-01

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2107756A (en) * 1937-05-15 1938-02-08 Bell Telephone Labor Inc Privacy system
US2405599A (en) * 1941-09-24 1946-08-13 Bell Telephone Labor Inc Privacy system
BE455172A (en:Method) * 1943-04-05
US2932693A (en) * 1956-01-18 1960-04-12 Salvox Corp Secret communication system
CH361597A (de) * 1958-08-23 1962-04-30 Patelhold Patentverwertung Verfahren zur Verschleierung von Nachrichtensignalen
NL244086A (en:Method) * 1958-12-10
DE1190995B (de) * 1960-12-12 1965-04-15 Ing Leopold Etzler Verfahren und Einrichtung zur Geheimhaltung elektrisch uebermittelter Signale
US3499992A (en) * 1962-04-05 1970-03-10 Us Army Hidden channel communications system
CH461585A (de) * 1966-08-24 1968-08-31 Ciba Geigy Verfahren und Einrichtung zur Nachrichtenübermittlung
GB1189861A (en) * 1966-09-15 1970-04-29 Horace Graham Bent Security Communications Systems
CH518658A (de) * 1970-07-07 1972-01-31 Patelhold Patentverwaltungs Un Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1362590A (fr) * 1963-04-23 1964-06-05 Csf Procédé et dispositif de chiffrement
BE722404A (en:Method) * 1966-05-05 1969-04-01

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027572A1 (de) * 1979-10-18 1981-04-29 Crypto Aktiengesellschaft Verfahren und Vorrichtung zur verschlüsselten Übertragung von Information
EP0184811A3 (en) * 1984-12-12 1988-01-13 Siemens Aktiengesellschaft Berlin Und Munchen Method for the analogous radio transmission of speech

Also Published As

Publication number Publication date
IL44994A (en) 1978-03-10
FR2233768B1 (en:Method) 1978-01-13
JPS5023707A (en:Method) 1975-03-14
NO145363C (no) 1982-03-03
ES427136A1 (es) 1976-07-16
GB1479717A (en) 1977-07-13
CA1028075A (en) 1978-03-14
SE7407538L (en:Method) 1974-12-13
IT1014904B (it) 1977-04-30
ATA372874A (de) 1976-09-15
SE400006B (sv) 1978-03-06
ZA743658B (en) 1975-06-25
NO145363B (no) 1981-11-23
AR205984A1 (es) 1976-06-23
NO742071L (en:Method) 1975-01-06
AU6939374A (en) 1975-11-27
DE2333975A1 (de) 1975-01-09
US3978288A (en) 1976-08-31
DE2333975C2 (de) 1982-05-27
BE816115A (fr) 1974-09-30
NL7406968A (en:Method) 1974-12-16
CH559483A5 (en:Method) 1975-02-28
BR7404821D0 (pt) 1975-01-21
AT336689B (de) 1977-05-25
IL44994A0 (en) 1975-07-28

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Legal Events

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