FR557899A - Improvements to thermionic devices - Google Patents

Improvements to thermionic devices

Info

Publication number
FR557899A
FR557899A FR557899DA FR557899A FR 557899 A FR557899 A FR 557899A FR 557899D A FR557899D A FR 557899DA FR 557899 A FR557899 A FR 557899A
Authority
FR
France
Prior art keywords
thermionic devices
thermionic
devices
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
Fernand Holweck
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 FR557899A publication Critical patent/FR557899A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
FR557899D 1922-10-27 1922-10-27 Improvements to thermionic devices Expired FR557899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557899T 1922-10-27

Publications (1)

Publication Number Publication Date
FR557899A true FR557899A (en) 1923-08-17

Family

ID=8941196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557899D Expired FR557899A (en) 1922-10-27 1922-10-27 Improvements to thermionic devices

Country Status (1)

Country Link
FR (1) FR557899A (en)

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