FR709726A - Lampe à grille-écran - Google Patents

Lampe à grille-écran

Info

Publication number
FR709726A
FR709726A FR709726DA FR709726A FR 709726 A FR709726 A FR 709726A FR 709726D A FR709726D A FR 709726DA FR 709726 A FR709726 A FR 709726A
Authority
FR
France
Prior art keywords
screen grid
grid lamp
lamp
screen
grid
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR709726A publication Critical patent/FR709726A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
FR709726D 1930-02-22 1931-01-21 Lampe à grille-écran Expired FR709726A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE709726X 1930-02-22

Publications (1)

Publication Number Publication Date
FR709726A true FR709726A (fr) 1931-08-12

Family

ID=6617931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709726D Expired FR709726A (fr) 1930-02-22 1931-01-21 Lampe à grille-écran

Country Status (1)

Country Link
FR (1) FR709726A (fr)

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