GB407645A - System for signalling breakdowns in the filaments of thermionic valves - Google Patents

System for signalling breakdowns in the filaments of thermionic valves

Info

Publication number
GB407645A
GB407645A GB30627/33A GB3062733A GB407645A GB 407645 A GB407645 A GB 407645A GB 30627/33 A GB30627/33 A GB 30627/33A GB 3062733 A GB3062733 A GB 3062733A GB 407645 A GB407645 A GB 407645A
Authority
GB
United Kingdom
Prior art keywords
filaments
diagonals
breakdowns
signalling
valve
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
GB30627/33A
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Publication of GB407645A publication Critical patent/GB407645A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/544—Protection of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
GB30627/33A 1932-11-14 1933-11-03 System for signalling breakdowns in the filaments of thermionic valves Expired GB407645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR407645X 1932-11-14

Publications (1)

Publication Number Publication Date
GB407645A true GB407645A (en) 1934-03-22

Family

ID=8897371

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30627/33A Expired GB407645A (en) 1932-11-14 1933-11-03 System for signalling breakdowns in the filaments of thermionic valves

Country Status (2)

Country Link
FR (1) FR759891A (enrdf_load_stackoverflow)
GB (1) GB407645A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR759891A (enrdf_load_stackoverflow) 1934-02-14

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