FR727572A - Distress signal transmitter and receiver - Google Patents

Distress signal transmitter and receiver

Info

Publication number
FR727572A
FR727572A FR727572DA FR727572A FR 727572 A FR727572 A FR 727572A FR 727572D A FR727572D A FR 727572DA FR 727572 A FR727572 A FR 727572A
Authority
FR
France
Prior art keywords
receiver
signal transmitter
distress signal
distress
transmitter
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)
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR727572A publication Critical patent/FR727572A/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
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR727572D 1930-12-05 1931-11-25 Distress signal transmitter and receiver Expired FR727572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US727572XA 1930-12-05 1930-12-05

Publications (1)

Publication Number Publication Date
FR727572A true FR727572A (en) 1932-06-20

Family

ID=22109561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727572D Expired FR727572A (en) 1930-12-05 1931-11-25 Distress signal transmitter and receiver

Country Status (1)

Country Link
FR (1) FR727572A (en)

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