ATE48501T1 - Verfahren zur geheimuebertragung von sprachsignalen und uebertragungsstation zur ausfuehrung dieses verfahrens. - Google Patents

Verfahren zur geheimuebertragung von sprachsignalen und uebertragungsstation zur ausfuehrung dieses verfahrens.

Info

Publication number
ATE48501T1
ATE48501T1 AT84309016T AT84309016T ATE48501T1 AT E48501 T1 ATE48501 T1 AT E48501T1 AT 84309016 T AT84309016 T AT 84309016T AT 84309016 T AT84309016 T AT 84309016T AT E48501 T1 ATE48501 T1 AT E48501T1
Authority
AT
Austria
Prior art keywords
speech
transmission
communication
stations
cryptographic
Prior art date
Application number
AT84309016T
Other languages
English (en)
Inventor
Lars Thrane
Original Assignee
Sp Radio As
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 Sp Radio As filed Critical Sp Radio As
Application granted granted Critical
Publication of ATE48501T1 publication Critical patent/ATE48501T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
AT84309016T 1983-12-30 1984-12-21 Verfahren zur geheimuebertragung von sprachsignalen und uebertragungsstation zur ausfuehrung dieses verfahrens. ATE48501T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK608483A DK152239C (da) 1983-12-30 1983-12-30 Fremgangsmaade til kryptografisk overfoering af talesignaler og kommunikationsstation til udoevelse af fremgangsmaaden
EP84309016A EP0148015B1 (de) 1983-12-30 1984-12-21 Verfahren zur Geheimübertragung von Sprachsignalen und Übertragungsstation zur Ausführung dieses Verfahrens

Publications (1)

Publication Number Publication Date
ATE48501T1 true ATE48501T1 (de) 1989-12-15

Family

ID=8147284

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84309016T ATE48501T1 (de) 1983-12-30 1984-12-21 Verfahren zur geheimuebertragung von sprachsignalen und uebertragungsstation zur ausfuehrung dieses verfahrens.

Country Status (8)

Country Link
US (1) US4856061A (de)
EP (1) EP0148015B1 (de)
AT (1) ATE48501T1 (de)
CA (1) CA1226904A (de)
DE (1) DE3480683D1 (de)
DK (1) DK152239C (de)
ES (1) ES8602322A1 (de)
NO (1) NO164629C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU612961B3 (en) * 1991-01-17 1991-06-11 Edward Pyle Dawson Discrete cosine transform analog speech scrambling system
US5827374A (en) * 1995-02-24 1998-10-27 Mansur Industries Inc. Process for integrated recycling of cleaning solution in industrial washing equipment
US6029150A (en) * 1996-10-04 2000-02-22 Certco, Llc Payment and transactions in electronic commerce system
US7835523B1 (en) 2005-08-26 2010-11-16 Rockwell Collins, Inc. Cryptographic engine abstraction layer for a software defined radio

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091423A (en) * 1975-03-17 1978-05-23 Datotek, Inc. Synchronous digital data scrambling system
US4185166A (en) * 1975-04-14 1980-01-22 Datotek, Inc. Multi-mode digital enciphering system
US3970791A (en) * 1975-05-27 1976-07-20 The United States Of America As Represented By The Secretary Of The Navy Voice controlled disappearing audio delay line
US4086435A (en) * 1976-09-17 1978-04-25 Biosystems Research Group Ii Method of and means for scrambling and descrambling speech at audio frequencies
US4218582A (en) * 1977-10-06 1980-08-19 The Board Of Trustees Of The Leland Stanford Junior University Public key cryptographic apparatus and method
GB2020513B (en) * 1978-05-03 1982-12-22 Atalla Technovations Method and apparatus for securing data transmissions
US4268720A (en) * 1979-05-25 1981-05-19 Gte Laboratories Incorporated Scrambler speech transmission and synchronization system
US4322576A (en) * 1979-12-28 1982-03-30 Racal-Milgo, Inc. Message format for secure communication over data links
SE426128B (sv) * 1981-04-08 1982-12-06 Philips Svenska Ab Metod vid overforing av datameddelanden mellan tva stationer, samt overforingsanleggning for utforande av metoden
JPS57207453A (en) * 1981-06-16 1982-12-20 Fujitsu Ltd Managing system for key for encryption communication
US4434323A (en) * 1981-06-29 1984-02-28 Motorola, Inc. Scrambler key code synchronizer
US4453074A (en) * 1981-10-19 1984-06-05 American Express Company Protection system for intelligent cards
US4458109A (en) * 1982-02-05 1984-07-03 Siemens Corporation Method and apparatus providing registered mail features in an electronic communication system
DE3210081C2 (de) * 1982-03-19 1984-12-20 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zum Übertragen von verschlüsselten Texten
US4723284A (en) * 1983-02-14 1988-02-02 Prime Computer, Inc. Authentication system
US4642424A (en) * 1984-01-03 1987-02-10 At&T Information Systems Inc. Cryptographic transmission system

Also Published As

Publication number Publication date
EP0148015A3 (en) 1986-11-26
CA1226904A (en) 1987-09-15
NO845225L (no) 1985-07-01
EP0148015B1 (de) 1989-12-06
DK152239B (da) 1988-02-08
DE3480683D1 (de) 1990-01-11
DK608483D0 (da) 1983-12-30
NO164629C (no) 1990-10-24
DK608483A (da) 1985-07-01
NO164629B (no) 1990-07-16
ES539170A0 (es) 1985-11-16
EP0148015A2 (de) 1985-07-10
US4856061A (en) 1989-08-08
ES8602322A1 (es) 1985-11-16
DK152239C (da) 1988-07-04

Similar Documents

Publication Publication Date Title
US3973200A (en) Process for acknowledging calls in a system for wireless staff locators
CA1277712C (en) Duplex analog scrambler
DE2251650A1 (de) Verfahren und vorrichtung zur datenuebermittlung
CA1092195A (en) Method and apparatus for enciphering and deciphering audio information
US4578532A (en) Method and apparatus for code transmission
US3893031A (en) Synchronization system for voice privacy unit
ATE48501T1 (de) Verfahren zur geheimuebertragung von sprachsignalen und uebertragungsstation zur ausfuehrung dieses verfahrens.
US3507980A (en) Communication system
DE69422490D1 (de) Verfahren zur digitalen halbduplexübertragung
Bennett Secret telephony as a historical example of spread-spectrum communication
US4361729A (en) Narrowband analog message privacy system
GB1459041A (en) Radio communication system
US3944745A (en) Secret signaling system with means for preventing key disclosure
MY106831A (en) Synchronizing method in a mobile radio system.
US4964165A (en) Method for the fast synchronization of vocoders coupled to one another by enciphering
JPS54116802A (en) Privacy communication system
RU2042280C1 (ru) Система передачи цифровых телефонных сигналов
JP2621857B2 (ja) 選択呼出方式
JPH0564494B2 (de)
GB1528214A (en) Radio teleprinter system
KR940017325A (ko) 위성통신망의 지구국 억세스 제어 정보 송수신 방법
GB2196816A (en) Communications link and method of increasing the security thereof
GB1089555A (de)
GB1315927A (en) Telephone systems
GB1034119A (en) Remote control and/or indication systems

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee