FR702789A - Improvements to screen grid tubes - Google Patents

Improvements to screen grid tubes

Info

Publication number
FR702789A
FR702789A FR702789DA FR702789A FR 702789 A FR702789 A FR 702789A FR 702789D A FR702789D A FR 702789DA FR 702789 A FR702789 A FR 702789A
Authority
FR
France
Prior art keywords
screen grid
grid tubes
tubes
screen
grid
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.)
Arcturus Radio Tube Co
Original Assignee
Arcturus Radio Tube Co
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 Arcturus Radio Tube Co filed Critical Arcturus Radio Tube Co
Application granted granted Critical
Publication of FR702789A publication Critical patent/FR702789A/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
    • H01J19/02—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
FR702789D 1929-10-02 1930-09-30 Improvements to screen grid tubes Expired FR702789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702789X 1929-10-02

Publications (1)

Publication Number Publication Date
FR702789A true FR702789A (en) 1931-04-16

Family

ID=6613276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702789D Expired FR702789A (en) 1929-10-02 1930-09-30 Improvements to screen grid tubes

Country Status (1)

Country Link
FR (1) FR702789A (en)

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