ES392921A1 - Procedimiento para la transmision en clave de mensajes. - Google Patents
Procedimiento para la transmision en clave de mensajes.Info
- Publication number
- ES392921A1 ES392921A1 ES392921A ES392921A ES392921A1 ES 392921 A1 ES392921 A1 ES 392921A1 ES 392921 A ES392921 A ES 392921A ES 392921 A ES392921 A ES 392921A ES 392921 A1 ES392921 A1 ES 392921A1
- Authority
- ES
- Spain
- Prior art keywords
- elements
- interchange
- time
- enciphered
- information
- 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.)
- Expired
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)
- Mobile Radio Communication Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
ES392921A1 true ES392921A1 (es) | 1973-11-01 |
Family
ID=4360828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES392921A Expired ES392921A1 (es) | 1970-07-07 | 1971-07-05 | Procedimiento para la transmision en clave de mensajes. |
Country Status (12)
Country | Link |
---|---|
US (1) | US3773977A (es) |
JP (1) | JPS583426B1 (es) |
AT (1) | AT327293B (es) |
BE (1) | BE769493A (es) |
CH (1) | CH518658A (es) |
DE (1) | DE2046630C3 (es) |
DK (1) | DK133649B (es) |
ES (1) | ES392921A1 (es) |
FR (1) | FR2101561A5 (es) |
GB (1) | GB1356970A (es) |
NL (1) | NL167818C (es) |
SE (1) | SE363946B (es) |
Families Citing this family (45)
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 (es) * | 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 (es) * | 1973-06-12 | 1975-02-28 | Patelhold Patentverwertung | |
CH580893A5 (es) * | 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 (es) * | 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 (es) * | 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 (es) * | 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 |
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 |
US4295223A (en) * | 1979-04-25 | 1981-10-13 | Westinghouse Electric Corp. | Digital signal/noise ratio amplifier apparatus for a communication 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 |
KR100275415B1 (ko) * | 1992-01-17 | 2000-12-15 | 가나이 쓰도무 | 무선 페이저 및 음성 전달 기능을 갖는 무선 페이징 시스템 |
AU2000273176A1 (en) * | 2000-09-20 | 2002-04-08 | Yutaka Yasukura | Method of editing/restoring electronic information |
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)
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 |
-
1970
- 1970-07-07 CH CH1022770A patent/CH518658A/de not_active IP Right Cessation
- 1970-09-22 DE DE2046630A patent/DE2046630C3/de not_active Expired
-
1971
- 1971-04-20 AT AT335471A patent/AT327293B/de not_active IP Right Cessation
- 1971-05-28 GB GB1814671A patent/GB1356970A/en not_active Expired
- 1971-06-21 US US00154851A patent/US3773977A/en not_active Expired - Lifetime
- 1971-07-05 FR FR7125390A patent/FR2101561A5/fr not_active Expired
- 1971-07-05 SE SE08682/71A patent/SE363946B/xx unknown
- 1971-07-05 BE BE769493A patent/BE769493A/xx not_active IP Right Cessation
- 1971-07-05 DK DK329471AA patent/DK133649B/da not_active IP Right Cessation
- 1971-07-05 ES ES392921A patent/ES392921A1/es not_active Expired
- 1971-07-06 NL NL7109284A patent/NL167818C/xx not_active IP Right Cessation
- 1971-07-07 JP JP46049645A patent/JPS583426B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2046630B2 (de) | 1974-08-08 |
DE2046630A1 (de) | 1972-01-20 |
FR2101561A5 (es) | 1972-03-31 |
JPS583426B1 (es) | 1983-01-21 |
DK133649B (da) | 1976-06-21 |
BE769493A (fr) | 1971-11-16 |
CH518658A (de) | 1972-01-31 |
NL167818B (nl) | 1981-08-17 |
DK133649C (es) | 1976-11-08 |
AT327293B (de) | 1976-01-26 |
ATA335471A (de) | 1975-04-15 |
US3773977A (en) | 1973-11-20 |
GB1356970A (en) | 1974-06-19 |
SE363946B (es) | 1974-02-04 |
DE2046630C3 (de) | 1975-03-20 |
NL167818C (nl) | 1982-01-18 |
NL7109284A (es) | 1972-01-11 |
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