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FR566709A - Lampe de t. s. f. à électrodes extérieures - Google Patents

Lampe de t. s. f. à électrodes extérieures

Info

Publication number
FR566709A
FR566709A FR566709DA FR566709A FR 566709 A FR566709 A FR 566709A FR 566709D A FR566709D A FR 566709DA FR 566709 A FR566709 A FR 566709A
Authority
FR
France
Prior art keywords
lamp
external electrodes
electrodes
external
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)
Inventor
Georges Fayol
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 filed Critical
Application granted granted Critical
Publication of FR566709A publication Critical patent/FR566709A/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
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • 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
FR566709D 1923-05-25 1923-05-25 Lampe de t. s. f. à électrodes extérieures Expired FR566709A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR566709T 1923-05-25

Publications (1)

Publication Number Publication Date
FR566709A true FR566709A (fr) 1924-02-19

Family

ID=8947299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR566709D Expired FR566709A (fr) 1923-05-25 1923-05-25 Lampe de t. s. f. à électrodes extérieures

Country Status (1)

Country Link
FR (1) FR566709A (fr)

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