FR818990A - Improvements to electronic lamps comprising a cathode, at least one grid and an anode - Google Patents

Improvements to electronic lamps comprising a cathode, at least one grid and an anode

Info

Publication number
FR818990A
FR818990A FR818990DA FR818990A FR 818990 A FR818990 A FR 818990A FR 818990D A FR818990D A FR 818990DA FR 818990 A FR818990 A FR 818990A
Authority
FR
France
Prior art keywords
anode
cathode
grid
electronic lamps
lamps
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR818990A publication Critical patent/FR818990A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
FR818990D 1936-03-13 1937-03-10 Improvements to electronic lamps comprising a cathode, at least one grid and an anode Expired FR818990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE818990X 1936-03-13

Publications (1)

Publication Number Publication Date
FR818990A true FR818990A (en) 1937-10-07

Family

ID=6735570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818990D Expired FR818990A (en) 1936-03-13 1937-03-10 Improvements to electronic lamps comprising a cathode, at least one grid and an anode

Country Status (1)

Country Link
FR (1) FR818990A (en)

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