FR931665A - Discharge tube - Google Patents

Discharge tube

Info

Publication number
FR931665A
FR931665A FR931665DA FR931665A FR 931665 A FR931665 A FR 931665A FR 931665D A FR931665D A FR 931665DA FR 931665 A FR931665 A FR 931665A
Authority
FR
France
Prior art keywords
discharge tube
discharge
tube
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR931665A publication Critical patent/FR931665A/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
FR931665D 1944-06-16 1946-07-29 Discharge tube Expired FR931665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250513X 1944-06-16

Publications (1)

Publication Number Publication Date
FR931665A true FR931665A (en) 1948-03-01

Family

ID=19781079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931665D Expired FR931665A (en) 1944-06-16 1946-07-29 Discharge tube

Country Status (4)

Country Link
BE (1) BE464982A (en)
CH (1) CH250513A (en)
FR (1) FR931665A (en)
GB (1) GB623601A (en)

Also Published As

Publication number Publication date
CH250513A (en) 1947-08-31
BE464982A (en)
GB623601A (en) 1949-05-19

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