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FR764126A - Tube à décharges à cathode à oxyde - Google Patents

Tube à décharges à cathode à oxyde

Info

Publication number
FR764126A
FR764126A FR764126DA FR764126A FR 764126 A FR764126 A FR 764126A FR 764126D A FR764126D A FR 764126DA FR 764126 A FR764126 A FR 764126A
Authority
FR
France
Prior art keywords
discharge tube
cathode discharge
oxide cathode
oxide
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
English (en)
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 FR764126A publication Critical patent/FR764126A/fr
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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
FR764126D 1932-12-10 1933-11-21 Tube à décharges à cathode à oxyde Expired FR764126A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL413950X 1932-12-10

Publications (1)

Publication Number Publication Date
FR764126A true FR764126A (fr) 1934-05-15

Family

ID=19785999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764126D Expired FR764126A (fr) 1932-12-10 1933-11-21 Tube à décharges à cathode à oxyde

Country Status (3)

Country Link
BE (1) BE399790A (xx)
FR (1) FR764126A (xx)
GB (1) GB413950A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739644C (de) * 1939-04-02 1943-10-01 Sueddeutsche Telefon App Kabel Direkt oder indirekt geheizte Gluehkathode fuer Elektronenroehren

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573590B1 (fr) * 1984-11-20 1988-04-08 Infradep Dispositif de telecommande a infrarouge
US7352846B2 (en) 2005-10-21 2008-04-01 Rigaku Corporation Filament for X-ray tube and X-ray tube having the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739644C (de) * 1939-04-02 1943-10-01 Sueddeutsche Telefon App Kabel Direkt oder indirekt geheizte Gluehkathode fuer Elektronenroehren

Also Published As

Publication number Publication date
BE399790A (xx)
GB413950A (en) 1934-07-26

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