FR922092A - Heating filaments for indirectly heated cathodes - Google Patents

Heating filaments for indirectly heated cathodes

Info

Publication number
FR922092A
FR922092A FR922092DA FR922092A FR 922092 A FR922092 A FR 922092A FR 922092D A FR922092D A FR 922092DA FR 922092 A FR922092 A FR 922092A
Authority
FR
France
Prior art keywords
indirectly heated
heating filaments
heated cathodes
cathodes
filaments
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.)
SIF Societe Independante de Telegraphie Sans Fil
Original Assignee
SIF Societe Independante de Telegraphie Sans Fil
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 SIF Societe Independante de Telegraphie Sans Fil filed Critical SIF Societe Independante de Telegraphie Sans Fil
Application granted granted Critical
Publication of FR922092A publication Critical patent/FR922092A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/08—Manufacture of heaters for indirectly-heated cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR922092D 1945-12-13 1945-12-13 Heating filaments for indirectly heated cathodes Expired FR922092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922092T 1945-12-13

Publications (1)

Publication Number Publication Date
FR922092A true FR922092A (en) 1947-05-28

Family

ID=9437759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922092D Expired FR922092A (en) 1945-12-13 1945-12-13 Heating filaments for indirectly heated cathodes

Country Status (1)

Country Link
FR (1) FR922092A (en)

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