FR571011A - Improvements to electric discharge tubes - Google Patents

Improvements to electric discharge tubes

Info

Publication number
FR571011A
FR571011A FR571011DA FR571011A FR 571011 A FR571011 A FR 571011A FR 571011D A FR571011D A FR 571011DA FR 571011 A FR571011 A FR 571011A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
electric
discharge
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR571011A publication Critical patent/FR571011A/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
    • H01J19/02—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
FR571011D 1922-09-30 1923-09-24 Improvements to electric discharge tubes Expired FR571011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US571011XA 1922-09-30 1922-09-30

Publications (1)

Publication Number Publication Date
FR571011A true FR571011A (en) 1924-05-10

Family

ID=22008504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571011D Expired FR571011A (en) 1922-09-30 1923-09-24 Improvements to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR571011A (en)

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