DK106985D0 - SYSTEM FOR Ciphering and Deciphering Narrow-banded Analog Signals ITRANSMISSION CONNECTIONS - Google Patents

SYSTEM FOR Ciphering and Deciphering Narrow-banded Analog Signals ITRANSMISSION CONNECTIONS

Info

Publication number
DK106985D0
DK106985D0 DK106985A DK106985A DK106985D0 DK 106985 D0 DK106985 D0 DK 106985D0 DK 106985 A DK106985 A DK 106985A DK 106985 A DK106985 A DK 106985A DK 106985 D0 DK106985 D0 DK 106985D0
Authority
DK
Denmark
Prior art keywords
itransmission
ciphering
deciphering
banded
connections
Prior art date
Application number
DK106985A
Other languages
Danish (da)
Other versions
DK106985A (en
Inventor
Herve Hillion
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of DK106985D0 publication Critical patent/DK106985D0/en
Publication of DK106985A publication Critical patent/DK106985A/en

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)
DK106985A 1984-03-13 1985-03-08 SYSTEM FOR Ciphering and Deciphering Narrow-banded Analog Signals ITRANSMISSION CONNECTIONS DK106985A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK106985D0 true DK106985D0 (en) 1985-03-08
DK106985A DK106985A (en) 1985-09-14

Family

ID=9301962

Family Applications (1)

Application Number Title Priority Date Filing Date
DK106985A DK106985A (en) 1984-03-13 1985-03-08 SYSTEM FOR Ciphering and Deciphering Narrow-banded Analog Signals ITRANSMISSION CONNECTIONS

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
AU3971385A (en) 1985-09-19
EP0156428A1 (en) 1985-10-02
FR2561473A1 (en) 1985-09-20
JPS60208132A (en) 1985-10-19
DK106985A (en) 1985-09-14

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment