FR651345A - Improvements in the construction of vacuum tubes - Google Patents

Improvements in the construction of vacuum tubes

Info

Publication number
FR651345A
FR651345A FR651345DA FR651345A FR 651345 A FR651345 A FR 651345A FR 651345D A FR651345D A FR 651345DA FR 651345 A FR651345 A FR 651345A
Authority
FR
France
Prior art keywords
construction
vacuum tubes
tubes
vacuum
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 FR651345A publication Critical patent/FR651345A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002Construction arrangements of electrode systems
FR651345D 1927-03-14 1928-03-02 Improvements in the construction of vacuum tubes Expired FR651345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651345XA 1927-03-14 1927-03-14

Publications (1)

Publication Number Publication Date
FR651345A true FR651345A (en) 1929-02-18

Family

ID=22060563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651345D Expired FR651345A (en) 1927-03-14 1928-03-02 Improvements in the construction of vacuum tubes

Country Status (1)

Country Link
FR (1) FR651345A (en)

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