FR50746E - Improvements to thermionic valves - Google Patents

Improvements to thermionic valves

Info

Publication number
FR50746E
FR50746E FR50746DA FR50746E FR 50746 E FR50746 E FR 50746E FR 50746D A FR50746D A FR 50746DA FR 50746 E FR50746 E FR 50746E
Authority
FR
France
Prior art keywords
thermionic valves
thermionic
valves
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 FR50746E publication Critical patent/FR50746E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems
FR50746D 1939-07-19 1939-07-19 Improvements to thermionic valves Expired FR50746E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50746T 1939-07-19

Publications (1)

Publication Number Publication Date
FR50746E true FR50746E (en) 1941-02-24

Family

ID=8685719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50746D Expired FR50746E (en) 1939-07-19 1939-07-19 Improvements to thermionic valves

Country Status (1)

Country Link
FR (1) FR50746E (en)

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