FR924739A - Filaments pour lampes électriques et autres applications - Google Patents

Filaments pour lampes électriques et autres applications

Info

Publication number
FR924739A
FR924739A FR924739DA FR924739A FR 924739 A FR924739 A FR 924739A FR 924739D A FR924739D A FR 924739DA FR 924739 A FR924739 A FR 924739A
Authority
FR
France
Prior art keywords
filaments
applications
electric lamps
lamps
electric
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
English (en)
Inventor
Charles Vincent Litton
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR924739A publication Critical patent/FR924739A/fr
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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR924739D 1945-11-19 1945-11-19 Filaments pour lampes électriques et autres applications Expired FR924739A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924739T 1945-11-19

Publications (1)

Publication Number Publication Date
FR924739A true FR924739A (fr) 1947-08-13

Family

ID=9439551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924739D Expired FR924739A (fr) 1945-11-19 1945-11-19 Filaments pour lampes électriques et autres applications

Country Status (1)

Country Link
FR (1) FR924739A (fr)

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