FR2129013A5 - - Google Patents

Info

Publication number
FR2129013A5
FR2129013A5 FR7108486A FR7108486A FR2129013A5 FR 2129013 A5 FR2129013 A5 FR 2129013A5 FR 7108486 A FR7108486 A FR 7108486A FR 7108486 A FR7108486 A FR 7108486A FR 2129013 A5 FR2129013 A5 FR 2129013A5
Authority
FR
France
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
Application number
FR7108486A
Other languages
French (fr)
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR7108486A priority Critical patent/FR2129013A5/fr
Application granted granted Critical
Publication of FR2129013A5 publication Critical patent/FR2129013A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR7108486A 1971-03-11 1971-03-11 Expired FR2129013A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7108486A FR2129013A5 (en) 1971-03-11 1971-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7108486A FR2129013A5 (en) 1971-03-11 1971-03-11

Publications (1)

Publication Number Publication Date
FR2129013A5 true FR2129013A5 (en) 1972-10-27

Family

ID=9073362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7108486A Expired FR2129013A5 (en) 1971-03-11 1971-03-11

Country Status (1)

Country Link
FR (1) FR2129013A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2318489A1 (en) * 1973-02-13 1974-08-15 Gretag Ag PROCEDURE AND SYSTEM FOR DISCREWED TRANSMISSION OF SPOKEN INFORMATION VIA A TELEPHONIC CHANNEL
DE2318247A1 (en) * 1973-04-11 1974-10-31 Siemens Ag DEVICE FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS
FR2285029A1 (en) * 1974-07-19 1976-04-09 Siemens Ag DEVICE FOR THE MASKED TRANSMISSION OF CONVERSATION SIGNALS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2318489A1 (en) * 1973-02-13 1974-08-15 Gretag Ag PROCEDURE AND SYSTEM FOR DISCREWED TRANSMISSION OF SPOKEN INFORMATION VIA A TELEPHONIC CHANNEL
DE2318247A1 (en) * 1973-04-11 1974-10-31 Siemens Ag DEVICE FOR DISCOVERED TRANSMISSION OF VOICE SIGNALS
FR2285029A1 (en) * 1974-07-19 1976-04-09 Siemens Ag DEVICE FOR THE MASKED TRANSMISSION OF CONVERSATION SIGNALS

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Legal Events

Date Code Title Description
ST Notification of lapse