FR867290A - Electrode structures for thermionic lamps - Google Patents

Electrode structures for thermionic lamps

Info

Publication number
FR867290A
FR867290A FR867290DA FR867290A FR 867290 A FR867290 A FR 867290A FR 867290D A FR867290D A FR 867290DA FR 867290 A FR867290 A FR 867290A
Authority
FR
France
Prior art keywords
thermionic
lamps
electrode structures
electrode
structures
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867290A publication Critical patent/FR867290A/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
FR867290D 1939-07-28 1940-09-24 Electrode structures for thermionic lamps Expired FR867290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB867290X 1939-07-28

Publications (1)

Publication Number Publication Date
FR867290A true FR867290A (en) 1941-10-10

Family

ID=10610095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867290D Expired FR867290A (en) 1939-07-28 1940-09-24 Electrode structures for thermionic lamps

Country Status (1)

Country Link
FR (1) FR867290A (en)

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