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FR800480A - Automatic call device for warning signal - Google Patents

Automatic call device for warning signal

Info

Publication number
FR800480A
FR800480A FR800480DA FR800480A FR 800480 A FR800480 A FR 800480A FR 800480D A FR800480D A FR 800480DA FR 800480 A FR800480 A FR 800480A
Authority
FR
France
Prior art keywords
warning signal
call device
automatic call
automatic
warning
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
Yoshito Watanabe
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 FR800480A publication Critical patent/FR800480A/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)
  • Relay Circuits (AREA)
FR800480D 1935-06-02 1936-01-09 Automatic call device for warning signal Expired FR800480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP468230X 1935-06-02

Publications (1)

Publication Number Publication Date
FR800480A true FR800480A (en) 1936-07-06

Family

ID=12758040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800480D Expired FR800480A (en) 1935-06-02 1936-01-09 Automatic call device for warning signal

Country Status (3)

Country Link
FR (1) FR800480A (en)
GB (1) GB468230A (en)
NL (1) NL44198C (en)

Also Published As

Publication number Publication date
GB468230A (en) 1937-07-01
NL44198C (en)

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