FR928816A - Appareil de transmission télégraphique - Google Patents

Appareil de transmission télégraphique

Info

Publication number
FR928816A
FR928816A FR928816DA FR928816A FR 928816 A FR928816 A FR 928816A FR 928816D A FR928816D A FR 928816DA FR 928816 A FR928816 A FR 928816A
Authority
FR
France
Prior art keywords
transmission apparatus
telegraph transmission
telegraph
transmission
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
English (en)
French (fr)
Inventor
Ronald George Griefith
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.)
Creed and Co Ltd
Original Assignee
Creed 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 Creed and Co Ltd filed Critical Creed and Co Ltd
Application granted granted Critical
Publication of FR928816A publication Critical patent/FR928816A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/06—Answer-back mechanisms or circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
FR928816D 1940-09-04 1946-04-01 Appareil de transmission télégraphique Expired FR928816A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1385740A GB543616A (en) 1940-09-04 1940-09-04 Improvements in or relating to telegraph transmitting apparatus

Publications (1)

Publication Number Publication Date
FR928816A true FR928816A (fr) 1947-12-09

Family

ID=10030635

Family Applications (2)

Application Number Title Priority Date Filing Date
FR959146D Expired FR959146A (cs) 1940-09-04
FR928816D Expired FR928816A (fr) 1940-09-04 1946-04-01 Appareil de transmission télégraphique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR959146D Expired FR959146A (cs) 1940-09-04

Country Status (2)

Country Link
FR (2) FR928816A (cs)
GB (1) GB543616A (cs)

Also Published As

Publication number Publication date
GB543616A (en) 1942-03-05
FR959146A (cs) 1950-03-24

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