DK133649C - - Google Patents

Info

Publication number
DK133649C
DK133649C DK329471A DK329471A DK133649C DK 133649 C DK133649 C DK 133649C DK 329471 A DK329471 A DK 329471A DK 329471 A DK329471 A DK 329471A DK 133649 C DK133649 C DK 133649C
Authority
DK
Denmark
Application number
DK329471A
Other languages
Danish (da)
Other versions
DK133649B (da
Inventor
G Guanella
Original Assignee
Patelhold Patentverwertungs & 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 Patentverwertungs & Elektro-Holding Ag filed Critical Patelhold Patentverwertungs & Elektro-Holding Ag
Publication of DK133649B publication Critical patent/DK133649B/da
Application granted granted Critical
Publication of DK133649C publication Critical patent/DK133649C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/34—Bits, or blocks of bits, of the telegraphic message being interchanged in time
    • 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)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DK329471AA 1970-07-07 1971-07-05 Fremgangsmåde til kodet informationstransmission ved tidsmæssig ombytning af informationselementer. DK133649B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1022770A CH518658A (de) 1970-07-07 1970-07-07 Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen

Publications (2)

Publication Number Publication Date
DK133649B DK133649B (da) 1976-06-21
DK133649C true DK133649C (enrdf_load_stackoverflow) 1976-11-08

Family

ID=4360828

Family Applications (1)

Application Number Title Priority Date Filing Date
DK329471AA DK133649B (da) 1970-07-07 1971-07-05 Fremgangsmåde til kodet informationstransmission ved tidsmæssig ombytning af informationselementer.

Country Status (12)

Country Link
US (1) US3773977A (enrdf_load_stackoverflow)
JP (1) JPS583426B1 (enrdf_load_stackoverflow)
AT (1) AT327293B (enrdf_load_stackoverflow)
BE (1) BE769493A (enrdf_load_stackoverflow)
CH (1) CH518658A (enrdf_load_stackoverflow)
DE (1) DE2046630C3 (enrdf_load_stackoverflow)
DK (1) DK133649B (enrdf_load_stackoverflow)
ES (1) ES392921A1 (enrdf_load_stackoverflow)
FR (1) FR2101561A5 (enrdf_load_stackoverflow)
GB (1) GB1356970A (enrdf_load_stackoverflow)
NL (1) NL167818C (enrdf_load_stackoverflow)
SE (1) SE363946B (enrdf_load_stackoverflow)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921151A (en) * 1971-06-21 1975-11-18 Patelhold Patentwerwertungs & Apparatus for enciphering transmitted data by interchanging signal elements of the transmitted data without overlapping or omitting any elements within the transmitted signal train
US4020285A (en) * 1972-09-29 1977-04-26 Datotek, Inc. Voice security method and system
US3991271A (en) * 1972-09-29 1976-11-09 Datotek, Inc. Voice security method and system
CH574692A5 (enrdf_load_stackoverflow) * 1973-02-13 1976-04-15 Gretag Ag
CH558993A (de) * 1973-03-19 1975-02-14 Patelhold Patentverwertung Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung.
CH559483A5 (enrdf_load_stackoverflow) * 1973-06-12 1975-02-28 Patelhold Patentverwertung
CH580893A5 (enrdf_load_stackoverflow) * 1973-07-02 1976-10-15 Gretag Ag
DE2339685C2 (de) * 1973-08-06 1982-06-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum verschleierten Übertragen von Nachrichtensignalen
DE2359673C2 (de) * 1973-11-30 1982-05-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Verschleiern des Informationsinhaltes von Frequenzbändern
DE2426635A1 (de) * 1974-06-01 1975-12-11 Licentia Gmbh Verfahren zum verschleiern des informationsinhaltes von frequenzbaendern
CH578807A5 (enrdf_load_stackoverflow) * 1974-11-05 1976-08-13 Patelhold Patentverwertung
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
CH581412A5 (enrdf_load_stackoverflow) * 1975-02-26 1976-10-29 Patelhold Patentverwertung
US4004089A (en) * 1975-02-28 1977-01-18 Ncr Corporation Programmable cryptic device for enciphering and deciphering data
US4099027A (en) * 1976-01-02 1978-07-04 General Electric Company Speech scrambler
CH607506A5 (enrdf_load_stackoverflow) * 1976-06-01 1978-12-29 Europ Handelsges Anst
US4087626A (en) * 1976-08-04 1978-05-02 Rca Corporation Scrambler and unscrambler for serial data
US4217469A (en) * 1977-03-15 1980-08-12 Emilio Martelli Coding and decoding apparatus for the protection of communication secrecy
US4100374A (en) * 1977-04-11 1978-07-11 Bell Telephone Laboratories, Incorporated Uniform permutation privacy system
GB1553027A (en) * 1977-05-12 1979-09-19 Marconi Co Ltd Message signal scrambling apparatus
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
US4232194A (en) * 1979-03-16 1980-11-04 Ocean Technology, Inc. Voice encryption system
US4278840A (en) * 1979-03-23 1981-07-14 Datotek, Inc. Dynamic frequency and time voice encryption system and method
FR2454664A1 (fr) * 1979-04-20 1980-11-14 Telediffusion Fse Systeme de cryptage et de decryptage d'un signal analogique par compressions et expansions temporelles
US4266243A (en) * 1979-04-25 1981-05-05 Westinghouse Electric Corp. Scrambling system for television sound signals
US4295223A (en) * 1979-04-25 1981-10-13 Westinghouse Electric Corp. Digital signal/noise ratio amplifier apparatus for a communication system
US4318125A (en) * 1979-04-25 1982-03-02 Westinghouse Electric Corp. Solid state digital audio scrambler system for teletransmission of audio intelligence through a television system
DE3138523A1 (de) * 1981-09-28 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Verfahren zur abhoersicheren frequenzbandkomprimierten uebertragung von sprachsignalen
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4433211A (en) * 1981-11-04 1984-02-21 Technical Communications Corporation Privacy communication system employing time/frequency transformation
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
US4591673A (en) * 1982-05-10 1986-05-27 Lee Lin Shan Frequency or time domain speech scrambling technique and system which does not require any frame synchronization
US4661980A (en) * 1982-06-25 1987-04-28 The United States Of America As Represented By The Secretary Of The Navy Intercept resistant data transmission system
IT1156086B (it) * 1982-10-25 1987-01-28 Cselt Centro Studi Lab Telecom Metodo e dispositivo di memorizzazione di segnali numerici organizzati in modo tridimensionale e soggetti a trasformazioni ortogonali
US4551580A (en) * 1982-11-22 1985-11-05 At&T Bell Laboratories Time-frequency scrambler
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
US4642688A (en) * 1983-06-24 1987-02-10 Scientific Atlanta, Inc. Method and apparatus for creating encrypted and decrypted television signals
US4638357A (en) * 1984-01-20 1987-01-20 Home Box Office, Inc. Audio scrambler
US5253296A (en) * 1991-11-26 1993-10-12 Communication Electronics System for resisting interception of information
US5412719A (en) * 1992-01-17 1995-05-02 Hitachi, Ltd. Radio paging system with voice transfer function and radio pager
DE60029020T2 (de) * 2000-09-20 2007-04-19 Yutaka Yasukura Verschlüsselungs- und entschlüsselungsverfahren von elektronischen informationen unter verwendung von zufälligen permutationen
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
US7930331B2 (en) * 2005-09-26 2011-04-19 Temarylogic Llc Encipherment of digital sequences by reversible transposition methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1953918A (en) * 1932-03-28 1934-04-10 Associated Electric Lab Inc Cryptographic system and apparatus
US2453659A (en) * 1941-09-05 1948-11-09 Gutzwiller & Co E Secret telegraph signaling
US2547515A (en) * 1949-06-23 1951-04-03 Teletype Corp Secrecy system
US3657699A (en) * 1970-06-30 1972-04-18 Ibm Multipath encoder-decoder arrangement

Also Published As

Publication number Publication date
NL167818C (nl) 1982-01-18
NL7109284A (enrdf_load_stackoverflow) 1972-01-11
ES392921A1 (es) 1973-11-01
SE363946B (enrdf_load_stackoverflow) 1974-02-04
CH518658A (de) 1972-01-31
GB1356970A (en) 1974-06-19
DE2046630A1 (de) 1972-01-20
BE769493A (fr) 1971-11-16
US3773977A (en) 1973-11-20
DK133649B (da) 1976-06-21
DE2046630B2 (de) 1974-08-08
FR2101561A5 (enrdf_load_stackoverflow) 1972-03-31
DE2046630C3 (de) 1975-03-20
JPS583426B1 (enrdf_load_stackoverflow) 1983-01-21
NL167818B (nl) 1981-08-17
AT327293B (de) 1976-01-26
ATA335471A (de) 1975-04-15

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