FR690418A - Improvements to telegraph devices - Google Patents

Improvements to telegraph devices

Info

Publication number
FR690418A
FR690418A FR690418DA FR690418A FR 690418 A FR690418 A FR 690418A FR 690418D A FR690418D A FR 690418DA FR 690418 A FR690418 A FR 690418A
Authority
FR
France
Prior art keywords
telegraph devices
telegraph
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
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 FR690418A publication Critical patent/FR690418A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter
    • H04L13/06—Tape or page guiding or feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Replacement Of Web Rolls (AREA)
FR690418D 1929-02-25 1930-02-22 Improvements to telegraph devices Expired FR690418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1834076X 1929-02-25

Publications (1)

Publication Number Publication Date
FR690418A true FR690418A (en) 1930-09-19

Family

ID=10891619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690418D Expired FR690418A (en) 1929-02-25 1930-02-22 Improvements to telegraph devices

Country Status (2)

Country Link
US (1) US1834076A (en)
FR (1) FR690418A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE467473A (en) * 1944-04-04

Also Published As

Publication number Publication date
US1834076A (en) 1931-12-01

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