BE379629A - - Google Patents

Info

Publication number
BE379629A
BE379629A BE379629DA BE379629A BE 379629 A BE379629 A BE 379629A BE 379629D A BE379629D A BE 379629DA BE 379629 A BE379629 A BE 379629A
Authority
BE
Belgium
Prior art keywords
emi
currents
fact
telephone
communications
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE379629A publication Critical patent/BE379629A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE379629D 1931-05-07 BE379629A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE735902X 1931-05-07

Publications (1)

Publication Number Publication Date
BE379629A true BE379629A (cs)

Family

ID=3879300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE379629D BE379629A (cs) 1931-05-07

Country Status (2)

Country Link
BE (1) BE379629A (cs)
FR (1) FR735902A (cs)

Also Published As

Publication number Publication date
FR735902A (fr) 1932-11-17

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