FR712381A - Improvements to electronic tubes - Google Patents

Improvements to electronic tubes

Info

Publication number
FR712381A
FR712381A FR712381DA FR712381A FR 712381 A FR712381 A FR 712381A FR 712381D A FR712381D A FR 712381DA FR 712381 A FR712381 A FR 712381A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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 FR712381A publication Critical patent/FR712381A/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
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/16—Tubes with a single discharge path having electrostatic control means only with external electrostatic control means and with or without internal control electrodes
FR712381D 1930-06-05 1931-03-02 Improvements to electronic tubes Expired FR712381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE712381X 1930-06-05

Publications (1)

Publication Number Publication Date
FR712381A true FR712381A (en) 1931-10-01

Family

ID=6622048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712381D Expired FR712381A (en) 1930-06-05 1931-03-02 Improvements to electronic tubes

Country Status (1)

Country Link
FR (1) FR712381A (en)

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