GB526680A - Improvements in high speed telegraph signal recording systems - Google Patents

Improvements in high speed telegraph signal recording systems

Info

Publication number
GB526680A
GB526680A GB895139A GB895139A GB526680A GB 526680 A GB526680 A GB 526680A GB 895139 A GB895139 A GB 895139A GB 895139 A GB895139 A GB 895139A GB 526680 A GB526680 A GB 526680A
Authority
GB
United Kingdom
Prior art keywords
valves
signal
cut
received
grid
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
GB895139A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 FR957920D priority Critical patent/FR957920A/fr
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB895139A priority patent/GB526680A/en
Publication of GB526680A publication Critical patent/GB526680A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
GB895139A 1939-03-21 1939-03-21 Improvements in high speed telegraph signal recording systems Expired GB526680A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR957920D FR957920A (enrdf_load_stackoverflow) 1939-03-21
GB895139A GB526680A (en) 1939-03-21 1939-03-21 Improvements in high speed telegraph signal recording systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB895139A GB526680A (en) 1939-03-21 1939-03-21 Improvements in high speed telegraph signal recording systems

Publications (1)

Publication Number Publication Date
GB526680A true GB526680A (en) 1940-09-24

Family

ID=9862465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB895139A Expired GB526680A (en) 1939-03-21 1939-03-21 Improvements in high speed telegraph signal recording systems

Country Status (2)

Country Link
FR (1) FR957920A (enrdf_load_stackoverflow)
GB (1) GB526680A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520308A (en) * 1947-02-20 1950-08-29 Erco Radio Lab Inc Frequency shift converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520308A (en) * 1947-02-20 1950-08-29 Erco Radio Lab Inc Frequency shift converter

Also Published As

Publication number Publication date
FR957920A (enrdf_load_stackoverflow) 1950-02-28

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