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FR658088A - Improvements made to thermionic tubes - Google Patents

Improvements made to thermionic tubes

Info

Publication number
FR658088A
FR658088A FR658088DA FR658088A FR 658088 A FR658088 A FR 658088A FR 658088D A FR658088D A FR 658088DA FR 658088 A FR658088 A FR 658088A
Authority
FR
France
Prior art keywords
improvements made
thermionic tubes
thermionic
tubes
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 FR658088A publication Critical patent/FR658088A/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
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • 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
    • H01J2893/0002—Construction arrangements of electrode systems
FR658088D 1927-07-29 1928-07-26 Improvements made to thermionic tubes Expired FR658088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB658088X 1927-07-29

Publications (1)

Publication Number Publication Date
FR658088A true FR658088A (en) 1929-05-30

Family

ID=10490680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR658088D Expired FR658088A (en) 1927-07-29 1928-07-26 Improvements made to thermionic tubes

Country Status (1)

Country Link
FR (1) FR658088A (en)

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