FR706080A - Perfectionnements aux tubes luminescents - Google Patents

Perfectionnements aux tubes luminescents

Info

Publication number
FR706080A
FR706080A FR706080DA FR706080A FR 706080 A FR706080 A FR 706080A FR 706080D A FR706080D A FR 706080DA FR 706080 A FR706080 A FR 706080A
Authority
FR
France
Prior art keywords
luminescent tubes
luminescent
tubes
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)
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.)
CLAUDE LUMIERE
Original Assignee
CLAUDE LUMIERE
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 CLAUDE LUMIERE filed Critical CLAUDE LUMIERE
Application granted granted Critical
Publication of FR706080A publication Critical patent/FR706080A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR706080D 1929-11-15 1930-11-19 Perfectionnements aux tubes luminescents Expired FR706080A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US706080XA 1929-11-15 1929-11-15

Publications (1)

Publication Number Publication Date
FR706080A true FR706080A (fr) 1931-06-18

Family

ID=1544391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706080D Expired FR706080A (fr) 1929-11-15 1930-11-19 Perfectionnements aux tubes luminescents

Country Status (1)

Country Link
FR (1) FR706080A (fr)

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