GB543616A - Improvements in or relating to telegraph transmitting apparatus - Google Patents

Improvements in or relating to telegraph transmitting apparatus

Info

Publication number
GB543616A
GB543616A GB1385740A GB1385740A GB543616A GB 543616 A GB543616 A GB 543616A GB 1385740 A GB1385740 A GB 1385740A GB 1385740 A GB1385740 A GB 1385740A GB 543616 A GB543616 A GB 543616A
Authority
GB
United Kingdom
Prior art keywords
lever
release
key
answer
released
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
GB1385740A
Other languages
English (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.)
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
Priority to FR959146D priority Critical patent/FR959146A/fr
Application filed by Creed and Co Ltd filed Critical Creed and Co Ltd
Priority to GB1385740A priority patent/GB543616A/en
Publication of GB543616A publication Critical patent/GB543616A/en
Priority to FR928816D priority 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)
GB1385740A 1940-09-04 1940-09-04 Improvements in or relating to telegraph transmitting apparatus Expired GB543616A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR959146D FR959146A (en:Method) 1940-09-04
GB1385740A GB543616A (en) 1940-09-04 1940-09-04 Improvements in or relating to telegraph transmitting apparatus
FR928816D FR928816A (fr) 1940-09-04 1946-04-01 Appareil de transmission télégraphique

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
GB543616A true GB543616A (en) 1942-03-05

Family

ID=10030635

Family Applications (1)

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

Country Status (2)

Country Link
FR (2) FR928816A (en:Method)
GB (1) GB543616A (en:Method)

Also Published As

Publication number Publication date
FR959146A (en:Method) 1950-03-24
FR928816A (fr) 1947-12-09

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