FR1009679A - Improvements to gas discharge lamps - Google Patents

Improvements to gas discharge lamps

Info

Publication number
FR1009679A
FR1009679A FR1009679DA FR1009679A FR 1009679 A FR1009679 A FR 1009679A FR 1009679D A FR1009679D A FR 1009679DA FR 1009679 A FR1009679 A FR 1009679A
Authority
FR
France
Prior art keywords
gas discharge
discharge lamps
lamps
gas
discharge
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)
Inventor
Roy
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 FR1009679A publication Critical patent/FR1009679A/en
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
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR1009679D 1948-06-16 1948-06-16 Improvements to gas discharge lamps Expired FR1009679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1009679T 1948-06-16

Publications (1)

Publication Number Publication Date
FR1009679A true FR1009679A (en) 1952-06-03

Family

ID=9568347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009679D Expired FR1009679A (en) 1948-06-16 1948-06-16 Improvements to gas discharge lamps

Country Status (1)

Country Link
FR (1) FR1009679A (en)

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