FR721025A - Electrode placement for electron tubes - Google Patents

Electrode placement for electron tubes

Info

Publication number
FR721025A
FR721025A FR721025DA FR721025A FR 721025 A FR721025 A FR 721025A FR 721025D A FR721025D A FR 721025DA FR 721025 A FR721025 A FR 721025A
Authority
FR
France
Prior art keywords
electrode placement
electron tubes
tubes
electron
placement
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)
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.)
ELEK SCHE GLUHLAMPENFABRIK WAT
VER GLUHLAMPEN und ELECTRICITA
Original Assignee
ELEK SCHE GLUHLAMPENFABRIK WAT
VER GLUHLAMPEN und ELECTRICITA
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 ELEK SCHE GLUHLAMPENFABRIK WAT, VER GLUHLAMPEN und ELECTRICITA filed Critical ELEK SCHE GLUHLAMPENFABRIK WAT
Application granted granted Critical
Publication of FR721025A publication Critical patent/FR721025A/en
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
    • 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
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • 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
FR721025D 1930-08-04 1931-08-04 Electrode placement for electron tubes Expired FR721025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT721025X 1930-08-04

Publications (1)

Publication Number Publication Date
FR721025A true FR721025A (en) 1932-02-26

Family

ID=3679883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721025D Expired FR721025A (en) 1930-08-04 1931-08-04 Electrode placement for electron tubes

Country Status (1)

Country Link
FR (1) FR721025A (en)

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