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AU3971385A - Narrow band encryption system - Google Patents

Narrow band encryption system

Info

Publication number
AU3971385A
AU3971385A AU39713/85A AU3971385A AU3971385A AU 3971385 A AU3971385 A AU 3971385A AU 39713/85 A AU39713/85 A AU 39713/85A AU 3971385 A AU3971385 A AU 3971385A AU 3971385 A AU3971385 A AU 3971385A
Authority
AU
Australia
Prior art keywords
narrow band
encryption system
band encryption
narrow
encryption
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.)
Abandoned
Application number
AU39713/85A
Inventor
Not Given Name
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU3971385A publication Critical patent/AU3971385A/en
Abandoned legal-status Critical Current

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)
AU39713/85A 1984-03-13 1985-03-11 Narrow band encryption system Abandoned AU3971385A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8403812 1984-03-13
FR8403812A FR2561473A1 (en) 1984-03-13 1984-03-13 CRYPTOPHONY SYSTEM FOR NARROW BANDWIDTH LINKS

Publications (1)

Publication Number Publication Date
AU3971385A true AU3971385A (en) 1985-09-19

Family

ID=9301962

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39713/85A Abandoned AU3971385A (en) 1984-03-13 1985-03-11 Narrow band encryption system

Country Status (5)

Country Link
EP (1) EP0156428A1 (en)
JP (1) JPS60208132A (en)
AU (1) AU3971385A (en)
DK (1) DK106985A (en)
FR (1) FR2561473A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250661A1 (en) * 1986-06-25 1988-01-07 FREDERIKSEN & SHU LABORATORIES, INC. Video transmission system using time-warp scrambling
FR2606237B1 (en) * 1986-10-31 1988-12-09 Trt Telecom Radio Electr ANALOG CRYPTOPHONY DEVICE WITH DYNAMIC BAND PERMUTATIONS
GB8820103D0 (en) * 1988-08-24 1988-11-16 Screen Electronics Ltd Device & method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433211A (en) * 1981-11-04 1984-02-21 Technical Communications Corporation Privacy communication system employing time/frequency transformation
FR2530101A1 (en) * 1982-07-06 1984-01-13 Thomson Brandt Process and system for encrypted transmission of a signal, especially of audio frequency

Also Published As

Publication number Publication date
EP0156428A1 (en) 1985-10-02
DK106985D0 (en) 1985-03-08
JPS60208132A (en) 1985-10-19
DK106985A (en) 1985-09-14
FR2561473A1 (en) 1985-09-20

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