FR29136E - Improvements to vacuum tubes - Google Patents

Improvements to vacuum tubes

Info

Publication number
FR29136E
FR29136E FR29136DA FR29136E FR 29136 E FR29136 E FR 29136E FR 29136D A FR29136D A FR 29136DA FR 29136 E FR29136 E FR 29136E
Authority
FR
France
Prior art keywords
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)
Inventor
Ernest Yeoman Robinson
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 FR29136E publication Critical patent/FR29136E/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
    • H01J19/68—Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
FR29136D 1924-06-05 1924-06-05 Improvements to vacuum tubes Expired FR29136E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR29136T 1924-06-05

Publications (1)

Publication Number Publication Date
FR29136E true FR29136E (en) 1925-07-08

Family

ID=8667194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29136D Expired FR29136E (en) 1924-06-05 1924-06-05 Improvements to vacuum tubes

Country Status (1)

Country Link
FR (1) FR29136E (en)

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