FR516008A - Improvements to electrical signaling devices - Google Patents

Improvements to electrical signaling devices

Info

Publication number
FR516008A
FR516008A FR516008A FR516008DA FR516008A FR 516008 A FR516008 A FR 516008A FR 516008 A FR516008 A FR 516008A FR 516008D A FR516008D A FR 516008DA FR 516008 A FR516008 A FR 516008A
Authority
FR
France
Prior art keywords
signaling devices
electrical signaling
electrical
devices
signaling
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
FR516008A
Other languages
French (fr)
Inventor
Frank Stanley Spooner Wates
John Lewis Major
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR516008A publication Critical patent/FR516008A/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)
FR516008A 1917-11-17 1920-05-26 Improvements to electrical signaling devices Expired FR516008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB516008X 1917-11-17

Publications (1)

Publication Number Publication Date
FR516008A true FR516008A (en) 1921-04-12

Family

ID=10460664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR516008A Expired FR516008A (en) 1917-11-17 1920-05-26 Improvements to electrical signaling devices

Country Status (1)

Country Link
FR (1) FR516008A (en)

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