FR557042A - Perfectionnements aux valves thermo-ioniques - Google Patents

Perfectionnements aux valves thermo-ioniques

Info

Publication number
FR557042A
FR557042A FR557042DA FR557042A FR 557042 A FR557042 A FR 557042A FR 557042D A FR557042D A FR 557042DA FR 557042 A FR557042 A FR 557042A
Authority
FR
France
Prior art keywords
thermo
ionic valves
ionic
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
English (en)
Inventor
William Richard Bullimore
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 FR557042A publication Critical patent/FR557042A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
FR557042D 1922-10-05 1922-10-05 Perfectionnements aux valves thermo-ioniques Expired FR557042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557042T 1922-10-05

Publications (1)

Publication Number Publication Date
FR557042A true FR557042A (fr) 1923-08-01

Family

ID=8940579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557042D Expired FR557042A (fr) 1922-10-05 1922-10-05 Perfectionnements aux valves thermo-ioniques

Country Status (1)

Country Link
FR (1) FR557042A (fr)

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