FR579426A - Further development of vacuum tubes - Google Patents

Further development of vacuum tubes

Info

Publication number
FR579426A
FR579426A FR579426DA FR579426A FR 579426 A FR579426 A FR 579426A FR 579426D A FR579426D A FR 579426DA FR 579426 A FR579426 A FR 579426A
Authority
FR
France
Prior art keywords
further development
vacuum tubes
tubes
vacuum
development
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)
Inventor
Jean-Baptiste-Joseph Abadie
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 filed Critical
Application granted granted Critical
Publication of FR579426A publication Critical patent/FR579426A/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
    • H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
    • H01J17/26—Means for producing, introducing, or replenishing gas or vapour during operation of the tube
FR579426D 1924-02-04 1924-02-04 Further development of vacuum tubes Expired FR579426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR579426T 1924-02-04

Publications (1)

Publication Number Publication Date
FR579426A true FR579426A (en) 1924-10-16

Family

ID=8956104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR579426D Expired FR579426A (en) 1924-02-04 1924-02-04 Further development of vacuum tubes

Country Status (1)

Country Link
FR (1) FR579426A (en)

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