GB191210911A - Calling Apparatus for Electric Telegraphs. - Google Patents

Calling Apparatus for Electric Telegraphs.

Info

Publication number
GB191210911A
GB191210911A GB191210911DA GB191210911A GB 191210911 A GB191210911 A GB 191210911A GB 191210911D A GB191210911D A GB 191210911DA GB 191210911 A GB191210911 A GB 191210911A
Authority
GB
United Kingdom
Prior art keywords
calling apparatus
electric telegraphs
telegraphs
electric
calling
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
Inventor
William Joseph Lyons
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 GB191210911A publication Critical patent/GB191210911A/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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB191210911D 1912-05-08 1912-05-08 Calling Apparatus for Electric Telegraphs. Expired GB191210911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191210911T 1912-05-08

Publications (1)

Publication Number Publication Date
GB191210911A true GB191210911A (en) 1913-06-09

Family

ID=32865894

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191210911D Expired GB191210911A (en) 1912-05-08 1912-05-08 Calling Apparatus for Electric Telegraphs.
GB191315097D Expired GB191315097A (en) 1912-05-08 1913-06-30 Improvements in Electric Telegraph Receiving Apparatus of the Selective Type.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB191315097D Expired GB191315097A (en) 1912-05-08 1913-06-30 Improvements in Electric Telegraph Receiving Apparatus of the Selective Type.

Country Status (2)

Country Link
DE (1) DE273453C (en)
GB (2) GB191210911A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153816B (en) * 1954-10-23 1963-09-05 Aurelio Beltrami Dr Ing Device for the simultaneous generation of at least two randomly modulated electrical oscillations

Also Published As

Publication number Publication date
GB191315097A (en) 1913-12-11
DE273453C (en)

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