FR855866A - Lampe à luminescence - Google Patents

Lampe à luminescence

Info

Publication number
FR855866A
FR855866A FR855866DA FR855866A FR 855866 A FR855866 A FR 855866A FR 855866D A FR855866D A FR 855866DA FR 855866 A FR855866 A FR 855866A
Authority
FR
France
Prior art keywords
luminescence lamp
luminescence
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
English (en)
Inventor
Marcel Valton
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 filed Critical
Application granted granted Critical
Publication of FR855866A publication Critical patent/FR855866A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR855866D 1939-02-07 1939-02-07 Lampe à luminescence Expired FR855866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855866T 1939-02-07

Publications (1)

Publication Number Publication Date
FR855866A true FR855866A (fr) 1940-05-22

Family

ID=9328516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855866D Expired FR855866A (fr) 1939-02-07 1939-02-07 Lampe à luminescence

Country Status (1)

Country Link
FR (1) FR855866A (fr)

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