FR515877A - Improvements to Wireless Telegraphy Devices - Google Patents

Improvements to Wireless Telegraphy Devices

Info

Publication number
FR515877A
FR515877A FR515877A FR515877DA FR515877A FR 515877 A FR515877 A FR 515877A FR 515877 A FR515877 A FR 515877A FR 515877D A FR515877D A FR 515877DA FR 515877 A FR515877 A FR 515877A
Authority
FR
France
Prior art keywords
devices
wireless telegraphy
telegraphy
wireless
telegraphy devices
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
FR515877A
Other languages
French (fr)
Inventor
William Henri Shephard
Archibald Edward Mckechnie
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.)
WILLIAM HENRI SHEPHARD
Original Assignee
WILLIAM HENRI SHEPHARD
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 WILLIAM HENRI SHEPHARD filed Critical WILLIAM HENRI SHEPHARD
Application granted granted Critical
Publication of FR515877A publication Critical patent/FR515877A/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)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR515877A 1913-12-08 1920-05-21 Improvements to Wireless Telegraphy Devices Expired FR515877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB91328277T 1913-12-08

Publications (1)

Publication Number Publication Date
FR515877A true FR515877A (en) 1921-04-08

Family

ID=32652158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR515877A Expired FR515877A (en) 1913-12-08 1920-05-21 Improvements to Wireless Telegraphy Devices

Country Status (3)

Country Link
DE (1) DE369717C (en)
FR (1) FR515877A (en)
GB (1) GB191328277A (en)

Also Published As

Publication number Publication date
DE369717C (en) 1923-02-22
GB191328277A (en) 1915-03-08

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