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FR862317A - Electronic discharge devices - Google Patents

Electronic discharge devices

Info

Publication number
FR862317A
FR862317A FR862317DA FR862317A FR 862317 A FR862317 A FR 862317A FR 862317D A FR862317D A FR 862317DA FR 862317 A FR862317 A FR 862317A
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 FR862317A publication Critical patent/FR862317A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26—Supports for the emissive material
FR862317D 1938-12-30 1939-12-12 Electronic discharge devices Expired FR862317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3785038A GB523460A (en) 1938-12-30 1938-12-30 Improvements in or relating to thermionic cathodes

Publications (1)

Publication Number Publication Date
FR862317A true FR862317A (en) 1941-03-04

Family

ID=10399445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862317D Expired FR862317A (en) 1938-12-30 1939-12-12 Electronic discharge devices

Country Status (2)

Country Link
FR (1) FR862317A (en)
GB (1) GB523460A (en)

Also Published As

Publication number Publication date
GB523460A (en) 1940-07-15

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