FR478984A - Improvements in telegraphy - Google Patents

Improvements in telegraphy

Info

Publication number
FR478984A
FR478984A FR478984A FR478984DA FR478984A FR 478984 A FR478984 A FR 478984A FR 478984 A FR478984 A FR 478984A FR 478984D A FR478984D A FR 478984DA FR 478984 A FR478984 A FR 478984A
Authority
FR
France
Prior art keywords
telegraphy
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
FR478984A
Other languages
French (fr)
Inventor
George Owen Squier
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.)
Muirhead & C Ltd Soc
Original Assignee
Muirhead & C Ltd Soc
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 Muirhead & C Ltd Soc filed Critical Muirhead & C Ltd Soc
Application granted granted Critical
Publication of FR478984A publication Critical patent/FR478984A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/24—Half-wave signalling systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Dc Digital Transmission (AREA)
FR478984A 1914-11-09 1915-06-09 Improvements in telegraphy Expired FR478984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191422265T 1914-11-09

Publications (1)

Publication Number Publication Date
FR478984A true FR478984A (en) 1916-01-26

Family

ID=32587169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478984A Expired FR478984A (en) 1914-11-09 1915-06-09 Improvements in telegraphy

Country Status (4)

Country Link
AU (1) AU1786515B (en)
DE (1) DE320414C (en)
FR (1) FR478984A (en)
GB (1) GB191422265A (en)

Also Published As

Publication number Publication date
DE320414C (en) 1920-04-27
AU1786515B (en) 1916-03-07
GB191422265A (en) 1915-11-09

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