FR930213A - Grille en forme de disque pour lampes thermioniques - Google Patents

Grille en forme de disque pour lampes thermioniques

Info

Publication number
FR930213A
FR930213A FR930213DA FR930213A FR 930213 A FR930213 A FR 930213A FR 930213D A FR930213D A FR 930213DA FR 930213 A FR930213 A FR 930213A
Authority
FR
France
Prior art keywords
thermionic
lamps
disc
shaped grille
grille
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Application granted granted Critical
Publication of FR930213A publication Critical patent/FR930213A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0024—Planar grids
FR930213D 1942-06-24 1946-07-04 Grille en forme de disque pour lampes thermioniques Expired FR930213A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB930213X 1942-06-24

Publications (1)

Publication Number Publication Date
FR930213A true FR930213A (fr) 1948-01-20

Family

ID=10729794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930213D Expired FR930213A (fr) 1942-06-24 1946-07-04 Grille en forme de disque pour lampes thermioniques

Country Status (1)

Country Link
FR (1) FR930213A (fr)

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