AU1786515B - Improvements in or relating to telegraphy - Google Patents

Improvements in or relating to telegraphy

Info

Publication number
AU1786515B
AU1786515B AU17865/15A AU1786515A AU1786515B AU 1786515 B AU1786515 B AU 1786515B AU 17865/15 A AU17865/15 A AU 17865/15A AU 1786515 A AU1786515 A AU 1786515A AU 1786515 B AU1786515 B AU 1786515B
Authority
AU
Australia
Prior art keywords
telegraphy
relating
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
AU17865/15A
Other versions
AU1786515A (en
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 and Co Ltd
Original Assignee
Muirhead and Co Ltd
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 and Co Ltd filed Critical Muirhead and Co Ltd
Publication of AU1786515A publication Critical patent/AU1786515A/en
Publication of AU1786515B publication Critical patent/AU1786515B/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)
  • Dc Digital Transmission (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
AU17865/15A 1914-11-09 1915-11-06 Improvements in or relating to telegraphy Expired AU1786515B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB22,265/1 1914-11-09
GB191422265T 1914-11-09

Publications (2)

Publication Number Publication Date
AU1786515A AU1786515A (en) 1915-11-10
AU1786515B true AU1786515B (en) 1916-03-07

Family

ID=32587169

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17865/15A Expired AU1786515B (en) 1914-11-09 1915-11-06 Improvements in or relating to 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
GB191422265A (en) 1915-11-09
FR478984A (en) 1916-01-26

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