FR804285A - Selective receiver for maritime alarm signals - Google Patents

Selective receiver for maritime alarm signals

Info

Publication number
FR804285A
FR804285A FR804285DA FR804285A FR 804285 A FR804285 A FR 804285A FR 804285D A FR804285D A FR 804285DA FR 804285 A FR804285 A FR 804285A
Authority
FR
France
Prior art keywords
alarm signals
selective receiver
maritime
maritime alarm
selective
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
Dmitri Ivanov
Bernhard Wittmann
Alexandre Ivanov
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 FR804285A publication Critical patent/FR804285A/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)
  • Alarm Systems (AREA)
FR804285D 1936-03-18 1936-03-24 Selective receiver for maritime alarm signals Expired FR804285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB809136A GB477320A (en) 1936-03-18 1936-03-18 Improvements in or relating to selective receivers for marine distress signals

Publications (1)

Publication Number Publication Date
FR804285A true FR804285A (en) 1936-10-20

Family

ID=9845581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804285D Expired FR804285A (en) 1936-03-18 1936-03-24 Selective receiver for maritime alarm signals

Country Status (2)

Country Link
FR (1) FR804285A (en)
GB (1) GB477320A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230506A (en) * 1992-03-02 1993-07-27 Cipriano Ronald J Batting practice device

Also Published As

Publication number Publication date
GB477320A (en) 1937-12-20

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