FR936009A - Improvements to telegraph transmitters - Google Patents

Improvements to telegraph transmitters

Info

Publication number
FR936009A
FR936009A FR936009DA FR936009A FR 936009 A FR936009 A FR 936009A FR 936009D A FR936009D A FR 936009DA FR 936009 A FR936009 A FR 936009A
Authority
FR
France
Prior art keywords
telegraph transmitters
telegraph
transmitters
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
Other languages
French (fr)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR936009A publication Critical patent/FR936009A/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
    • H04L15/18—Automatic transmitters, e.g. controlled by perforated tape
    • H04L15/20—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Manufacturing Optical Record Carriers (AREA)
FR936009D 1944-08-28 1946-11-19 Improvements to telegraph transmitters Expired FR936009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB248647X 1944-08-28

Publications (1)

Publication Number Publication Date
FR936009A true FR936009A (en) 1948-07-07

Family

ID=10218463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936009D Expired FR936009A (en) 1944-08-28 1946-11-19 Improvements to telegraph transmitters

Country Status (3)

Country Link
CH (1) CH248647A (en)
FR (1) FR936009A (en)
GB (1) GB582679A (en)

Also Published As

Publication number Publication date
CH248647A (en) 1947-05-15
GB582679A (en) 1946-11-25

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