BR7404821D0 - Processo e dispositivo para a transmissao nao ostensiva de sinais de voz - Google Patents

Processo e dispositivo para a transmissao nao ostensiva de sinais de voz

Info

Publication number
BR7404821D0
BR7404821D0 BR482174A BR482174A BR7404821D0 BR 7404821 D0 BR7404821 D0 BR 7404821D0 BR 482174 A BR482174 A BR 482174A BR 482174 A BR482174 A BR 482174A BR 7404821 D0 BR7404821 D0 BR 7404821D0
Authority
BR
Brazil
Prior art keywords
ostensive
transmission
signs
voice
voice signs
Prior art date
Application number
BR482174A
Other languages
English (en)
Inventor
M Bruckner
G Guanella
C Vouga
Original Assignee
Patelhold Patentverwertung
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 Patentverwertung filed Critical Patelhold Patentverwertung
Publication of BR7404821D0 publication Critical patent/BR7404821D0/pt

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
BR482174A 1973-06-12 1974-06-12 Processo e dispositivo para a transmissao nao ostensiva de sinais de voz BR7404821D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH834773A CH559483A5 (pt) 1973-06-12 1973-06-12

Publications (1)

Publication Number Publication Date
BR7404821D0 true BR7404821D0 (pt) 1975-01-21

Family

ID=4338931

Family Applications (1)

Application Number Title Priority Date Filing Date
BR482174A BR7404821D0 (pt) 1973-06-12 1974-06-12 Processo e dispositivo para a transmissao nao ostensiva de sinais de voz

Country Status (18)

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

Families Citing this family (21)

* 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
DE2737577C1 (de) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Militaerisches Radar- oder Funk-Nachrichtenuebertragungssystem
DE2737576C1 (de) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Militaerisches Radar- oder Funk-Nachrichtenuebertragungssystem
NO802740L (no) * 1979-10-18 1981-04-21 Crypto Ag Fremgangsmaate og anordning til kodet overfoering av informasjon
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
IN163475B (pt) * 1984-12-12 1988-10-01 Siemens Ag
DE3688530T2 (de) 1985-02-14 1993-09-23 Nec Corp 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
DE69532227T2 (de) * 1994-07-15 2004-09-30 Ntt Mobile Communications Network Inc. Signalsendeverfahren und kommunikationssystem
RU2103829C1 (ru) * 1997-04-02 1998-01-27 Государственное унитарное предприятие "Специализированный центр программных систем "Спектр" Способ шифрования информации, представленной двоичным кодом
KR100497130B1 (ko) * 1997-04-02 2005-09-20 오트크리토에 악츠이오네른오에 옵스체스트보 (모스코브스키야 고로즈카야 텔레폰나야 셋) 이진코드정보의암호화방법
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
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
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
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

Family Cites Families (13)

* 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
NL63459C (pt) * 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 (pt) * 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
BE646982A (pt) * 1963-04-23
FR95619E (fr) * 1966-05-05 1971-03-26 It Telecommunicazioni Siemens Systeme de transmission de signaux téléphoniques a allocation de temps.
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

Also Published As

Publication number Publication date
ES427136A1 (es) 1976-07-16
ATA372874A (de) 1976-09-15
SE400006B (sv) 1978-03-06
NO145363C (no) 1982-03-03
IL44994A (en) 1978-03-10
AT336689B (de) 1977-05-25
NL7406968A (pt) 1974-12-16
DE2333975C2 (de) 1982-05-27
BE816115A (fr) 1974-09-30
NO742071L (pt) 1975-01-06
FR2233768A1 (pt) 1975-01-10
IT1014904B (it) 1977-04-30
DE2333975A1 (de) 1975-01-09
AU6939374A (en) 1975-11-27
SE7407538L (pt) 1974-12-13
GB1479717A (en) 1977-07-13
ZA743658B (en) 1975-06-25
JPS5023707A (pt) 1975-03-14
AR205984A1 (es) 1976-06-23
CA1028075A (en) 1978-03-14
CH559483A5 (pt) 1975-02-28
FR2233768B1 (pt) 1978-01-13
NO145363B (no) 1981-11-23
IL44994A0 (en) 1975-07-28
US3978288A (en) 1976-08-31

Similar Documents

Publication Publication Date Title
BR7404821D0 (pt) Processo e dispositivo para a transmissao nao ostensiva de sinais de voz
BR7400825D0 (pt) Processo e aparelho para aplicacap de adesivo
BR7401387D0 (pt) Processo para a aplicacao de um dispositivo anticonceptional feminino e respectivo dispositivo
BR7107201D0 (pt) Um processo para a polimerizacao seletiva de alfa-olefina
BR7102397D0 (pt) Processo para o encurvamento de folhas de vidro e dispositivo para a execucao deste processo
BR7401441D0 (pt) Processo de purificacao de oleos usados e instalacao para a pratica do mesmo
BR7209138D0 (pt) Processo para producao de abrasinos
BR7406154D0 (pt) Dispositivo anti-concepcional dispositivo intra-uterino e insersor processo para a insercao de um dispositivo intra-uterino
BR7105804D0 (pt) Processo para producao de um polimero de 2-pirrolidona
BR7309525D0 (pt) Processo e dispositivo aperfeicoados para producao de uma uniao continua e uniforme de fibras
BR7305043D0 (pt) Processo e dispositivo para a fabricacao de ampolas, especialmente ampolas duplas
BR7404857D0 (pt) Processo e aparelho para a dispersao de suspensoes
BR7603609A (pt) Processo e dispositivo para a producao de perfis fundidos por extrusao
BR7204634D0 (pt) Processo e aparelhopara fabricacao de pneumaticos
BR6913725D0 (pt) Processo para a conversao e dessulfurizacao de oleos de hidrocarbonetos
BR7600173A (pt) Sistema e processo para a producao de lencois e telas de fibras
BR7701117A (pt) Sistema produtor de imagem e processo para a producao de uma imagem colorida
BR6913678D0 (pt) Processo para a conversao e dessulfurizacao de oleos de hidrocarbonetos
BR7308205D0 (pt) Processo para a preparacao de cicloalcanonas e cicloalcanois
BR7307987D0 (pt) Processo para a obtencao de uma dispersao de copolimero
BR7603871A (pt) Processo para producao de polimisturas polimericas
BR7601676A (pt) Processo e dispositivo aperfeicoado para transmitir sinais binarios pelo sistema tempo-multiplex
BR7201708D0 (pt) Processo para fabricacao de um dispositivo prendedor e instalacao para sua execucao
BR7300343D0 (pt) Processo para a fabricacao de 2-mercapto-benzimidazol
BR7204506D0 (pt) Processo para diazotacao de aminas