FR1148488A - Indirectly heated cathode - Google Patents

Indirectly heated cathode

Info

Publication number
FR1148488A
FR1148488A FR1148488DA FR1148488A FR 1148488 A FR1148488 A FR 1148488A FR 1148488D A FR1148488D A FR 1148488DA FR 1148488 A FR1148488 A FR 1148488A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
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 FR1148488A publication Critical patent/FR1148488A/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
FR1148488D 1955-01-06 1956-01-04 Indirectly heated cathode Expired FR1148488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1148488X 1955-01-06

Publications (1)

Publication Number Publication Date
FR1148488A true FR1148488A (en) 1957-12-10

Family

ID=10877756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148488D Expired FR1148488A (en) 1955-01-06 1956-01-04 Indirectly heated cathode

Country Status (1)

Country Link
FR (1) FR1148488A (en)

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