FR51591E - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR51591E
FR51591E FR51591DA FR51591E FR 51591 E FR51591 E FR 51591E FR 51591D A FR51591D A FR 51591DA FR 51591 E FR51591 E FR 51591E
Authority
FR
France
Prior art keywords
discharge tubes
tubes
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)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR51591E publication Critical patent/FR51591E/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
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
FR51591D 1941-05-29 1941-05-29 Improvements to discharge tubes Expired FR51591E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR51591T 1941-05-29

Publications (1)

Publication Number Publication Date
FR51591E true FR51591E (en) 1943-02-05

Family

ID=8686391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51591D Expired FR51591E (en) 1941-05-29 1941-05-29 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR51591E (en)

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