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FR720301A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR720301A
FR720301A FR720301DA FR720301A FR 720301 A FR720301 A FR 720301A FR 720301D A FR720301D A FR 720301DA FR 720301 A FR720301 A FR 720301A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR720301A publication Critical patent/FR720301A/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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
FR720301D 1930-10-15 1930-10-15 Improvements to electronic discharge devices Expired FR720301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720301T 1930-10-15

Publications (1)

Publication Number Publication Date
FR720301A true FR720301A (en) 1932-02-18

Family

ID=9092649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720301D Expired FR720301A (en) 1930-10-15 1930-10-15 Improvements to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR720301A (en)

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