FR808656A - Cathodic luminescence electric lamp - Google Patents

Cathodic luminescence electric lamp

Info

Publication number
FR808656A
FR808656A FR808656DA FR808656A FR 808656 A FR808656 A FR 808656A FR 808656D A FR808656D A FR 808656DA FR 808656 A FR808656 A FR 808656A
Authority
FR
France
Prior art keywords
electric lamp
cathodic
cathodic luminescence
luminescence electric
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR808656A publication Critical patent/FR808656A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/02Details
    • H01J17/04Electrodes; Screens
    • H01J17/06Cathodes
    • H01J17/066Cold cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0064Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065Electrode systems
    • H01J2893/0066Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
FR808656D 1935-09-12 1936-07-24 Cathodic luminescence electric lamp Expired FR808656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE808656X 1935-09-12

Publications (1)

Publication Number Publication Date
FR808656A true FR808656A (en) 1937-02-12

Family

ID=6723135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808656D Expired FR808656A (en) 1935-09-12 1936-07-24 Cathodic luminescence electric lamp

Country Status (1)

Country Link
FR (1) FR808656A (en)

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