FR736284A - Automatic warning device for reception of the distress radiotelegraph signal - Google Patents

Automatic warning device for reception of the distress radiotelegraph signal

Info

Publication number
FR736284A
FR736284A FR736284DA FR736284A FR 736284 A FR736284 A FR 736284A FR 736284D A FR736284D A FR 736284DA FR 736284 A FR736284 A FR 736284A
Authority
FR
France
Prior art keywords
radiotelegraph
distress
reception
signal
warning device
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
Raymond Dubois
Louis-Auguste-Marie Laboureur
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 filed Critical
Application granted granted Critical
Publication of FR736284A publication Critical patent/FR736284A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR736284D 1931-08-20 1931-08-20 Automatic warning device for reception of the distress radiotelegraph signal Expired FR736284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR736284T 1931-08-20

Publications (1)

Publication Number Publication Date
FR736284A true FR736284A (en) 1932-11-22

Family

ID=9131064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736284D Expired FR736284A (en) 1931-08-20 1931-08-20 Automatic warning device for reception of the distress radiotelegraph signal

Country Status (1)

Country Link
FR (1) FR736284A (en)

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