FR500376A - Perfectionnements apportés aux soupapes-électrons - Google Patents

Perfectionnements apportés aux soupapes-électrons

Info

Publication number
FR500376A
FR500376A FR500376DA FR500376A FR 500376 A FR500376 A FR 500376A FR 500376D A FR500376D A FR 500376DA FR 500376 A FR500376 A FR 500376A
Authority
FR
France
Prior art keywords
improvements made
electron valves
valves
electron
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)
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.)
Connecticut Telephone & Electric Co Incor
Original Assignee
Connecticut Telephone & Electric Co Incor
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 Connecticut Telephone & Electric Co Incor filed Critical Connecticut Telephone & Electric Co Incor
Application granted granted Critical
Publication of FR500376A publication Critical patent/FR500376A/fr
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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0011—Non-emitting electrodes
FR500376D 1918-08-08 1919-06-04 Perfectionnements apportés aux soupapes-électrons Expired FR500376A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500376XA 1918-08-08 1918-08-08

Publications (1)

Publication Number Publication Date
FR500376A true FR500376A (fr) 1920-03-10

Family

ID=1535273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR500376D Expired FR500376A (fr) 1918-08-08 1919-06-04 Perfectionnements apportés aux soupapes-électrons

Country Status (1)

Country Link
FR (1) FR500376A (fr)

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