FR736773A - Manufacturing process of electric discharge tubes - Google Patents

Manufacturing process of electric discharge tubes

Info

Publication number
FR736773A
FR736773A FR736773DA FR736773A FR 736773 A FR736773 A FR 736773A FR 736773D A FR736773D A FR 736773DA FR 736773 A FR736773 A FR 736773A
Authority
FR
France
Prior art keywords
manufacturing process
electric discharge
discharge tubes
tubes
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR736773A publication Critical patent/FR736773A/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
    • H01J9/04—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)
  • Discharge Lamp (AREA)
FR736773D 1931-05-26 1932-05-06 Manufacturing process of electric discharge tubes Expired FR736773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE383502X 1931-05-26

Publications (1)

Publication Number Publication Date
FR736773A true FR736773A (en) 1932-11-28

Family

ID=6365121

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736773D Expired FR736773A (en) 1931-05-26 1932-05-06 Manufacturing process of electric discharge tubes

Country Status (2)

Country Link
FR (1) FR736773A (en)
GB (1) GB383502A (en)

Also Published As

Publication number Publication date
GB383502A (en) 1932-11-17

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