FR839202A - Power circuits for thermionic lamps - Google Patents

Power circuits for thermionic lamps

Info

Publication number
FR839202A
FR839202A FR839202DA FR839202A FR 839202 A FR839202 A FR 839202A FR 839202D A FR839202D A FR 839202DA FR 839202 A FR839202 A FR 839202A
Authority
FR
France
Prior art keywords
thermionic
lamps
power circuits
circuits
power
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR839202A publication Critical patent/FR839202A/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)
FR839202D 1937-06-18 1938-06-11 Power circuits for thermionic lamps Expired FR839202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB839202X 1937-06-18

Publications (1)

Publication Number Publication Date
FR839202A true FR839202A (en) 1939-03-29

Family

ID=10554430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839202D Expired FR839202A (en) 1937-06-18 1938-06-11 Power circuits for thermionic lamps

Country Status (1)

Country Link
FR (1) FR839202A (en)

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