FR869419A - Thermionic lamp circuits - Google Patents

Thermionic lamp circuits

Info

Publication number
FR869419A
FR869419A FR869419DA FR869419A FR 869419 A FR869419 A FR 869419A FR 869419D A FR869419D A FR 869419DA FR 869419 A FR869419 A FR 869419A
Authority
FR
France
Prior art keywords
thermionic
lamp circuits
lamp
circuits
thermionic lamp
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 FR869419A publication Critical patent/FR869419A/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
    • H03F1/542—Replacing by standby devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR869419D 1939-11-14 1941-01-21 Thermionic lamp circuits Expired FR869419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB869419X 1939-11-14

Publications (1)

Publication Number Publication Date
FR869419A true FR869419A (en) 1942-02-02

Family

ID=10610175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869419D Expired FR869419A (en) 1939-11-14 1941-01-21 Thermionic lamp circuits

Country Status (1)

Country Link
FR (1) FR869419A (en)

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