FR521584A - Improvements to gas conduction lamps - Google Patents

Improvements to gas conduction lamps

Info

Publication number
FR521584A
FR521584A FR521584DA FR521584A FR 521584 A FR521584 A FR 521584A FR 521584D A FR521584D A FR 521584DA FR 521584 A FR521584 A FR 521584A
Authority
FR
France
Prior art keywords
gas conduction
conduction lamps
lamps
gas
conduction
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 FR521584A publication Critical patent/FR521584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR521584D 1914-05-07 1920-07-30 Improvements to gas conduction lamps Expired FR521584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521584XA 1914-05-07 1914-05-07

Publications (1)

Publication Number Publication Date
FR521584A true FR521584A (en) 1921-07-16

Family

ID=1536496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521584D Expired FR521584A (en) 1914-05-07 1920-07-30 Improvements to gas conduction lamps

Country Status (1)

Country Link
FR (1) FR521584A (en)

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