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FR496551A - Device for avoiding the surprise of radiotelegraph communications by wireless telegraphy - Google Patents

Device for avoiding the surprise of radiotelegraph communications by wireless telegraphy

Info

Publication number
FR496551A
FR496551A FR496551DA FR496551A FR 496551 A FR496551 A FR 496551A FR 496551D A FR496551D A FR 496551DA FR 496551 A FR496551 A FR 496551A
Authority
FR
France
Prior art keywords
radiotelegraph
surprise
avoiding
communications
wireless telegraphy
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
Application number
Other languages
French (fr)
Inventor
Yves De Saint-Meleuc
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.)
YVES DE SAINT MELEUC
Original Assignee
YVES DE SAINT MELEUC
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 YVES DE SAINT MELEUC filed Critical YVES DE SAINT MELEUC
Application granted granted Critical
Publication of FR496551A publication Critical patent/FR496551A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/02Secret communication by adding a second signal to make the desired signal unintelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR496551D 1918-05-10 1918-05-10 Device for avoiding the surprise of radiotelegraph communications by wireless telegraphy Expired FR496551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR496551T 1918-05-10

Publications (1)

Publication Number Publication Date
FR496551A true FR496551A (en) 1919-11-11

Family

ID=1531962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR496551D Expired FR496551A (en) 1918-05-10 1918-05-10 Device for avoiding the surprise of radiotelegraph communications by wireless telegraphy

Country Status (1)

Country Link
FR (1) FR496551A (en)

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