FR798697A - Manufacturing process of thermionic lamps - Google Patents

Manufacturing process of thermionic lamps

Info

Publication number
FR798697A
FR798697A FR798697DA FR798697A FR 798697 A FR798697 A FR 798697A FR 798697D A FR798697D A FR 798697DA FR 798697 A FR798697 A FR 798697A
Authority
FR
France
Prior art keywords
thermionic
lamps
manufacturing process
manufacturing
thermionic lamps
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.)
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 FR798697A publication Critical patent/FR798697A/en
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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • 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
FR798697D 1934-12-31 1935-12-04 Manufacturing process of thermionic lamps Expired FR798697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB798697X 1934-12-31

Publications (1)

Publication Number Publication Date
FR798697A true FR798697A (en) 1936-05-23

Family

ID=10510341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798697D Expired FR798697A (en) 1934-12-31 1935-12-04 Manufacturing process of thermionic lamps

Country Status (1)

Country Link
FR (1) FR798697A (en)

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