FR505592A - Perfectionnement aux soupapes à cathode incandescente - Google Patents

Perfectionnement aux soupapes à cathode incandescente

Info

Publication number
FR505592A
FR505592A FR505592A FR505592DA FR505592A FR 505592 A FR505592 A FR 505592A FR 505592 A FR505592 A FR 505592A FR 505592D A FR505592D A FR 505592DA FR 505592 A FR505592 A FR 505592A
Authority
FR
France
Prior art keywords
improvement
incandescent cathode
valves
cathode valves
incandescent
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
FR505592A
Other languages
English (en)
Inventor
Victor-Joseph-Franc Bouchardon
Marius-Alexandre Lesage
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.)
MARIUS ALEXANDRE LESAGE
VICTOR JOSEPH FRANCOIS BOUCHAR
Original Assignee
MARIUS ALEXANDRE LESAGE
VICTOR JOSEPH FRANCOIS BOUCHAR
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 MARIUS ALEXANDRE LESAGE, VICTOR JOSEPH FRANCOIS BOUCHAR filed Critical MARIUS ALEXANDRE LESAGE
Application granted granted Critical
Publication of FR505592A publication Critical patent/FR505592A/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
FR505592A 1919-10-30 1919-10-30 Perfectionnement aux soupapes à cathode incandescente Expired FR505592A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR505592T 1919-10-30

Publications (1)

Publication Number Publication Date
FR505592A true FR505592A (fr) 1920-08-02

Family

ID=8908584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR505592A Expired FR505592A (fr) 1919-10-30 1919-10-30 Perfectionnement aux soupapes à cathode incandescente

Country Status (1)

Country Link
FR (1) FR505592A (fr)

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