CH241286A - Indirectly heatable cathode for electrical discharge tubes. - Google Patents

Indirectly heatable cathode for electrical discharge tubes.

Info

Publication number
CH241286A
CH241286A CH241286DA CH241286A CH 241286 A CH241286 A CH 241286A CH 241286D A CH241286D A CH 241286DA CH 241286 A CH241286 A CH 241286A
Authority
CH
Switzerland
Prior art keywords
electrical discharge
discharge tubes
indirectly heatable
heatable cathode
cathode
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH241286A publication Critical patent/CH241286A/en

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
CH241286D 1941-10-14 1942-10-12 Indirectly heatable cathode for electrical discharge tubes. CH241286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL241286X 1941-10-14

Publications (1)

Publication Number Publication Date
CH241286A true CH241286A (en) 1946-02-28

Family

ID=19780558

Family Applications (1)

Application Number Title Priority Date Filing Date
CH241286D CH241286A (en) 1941-10-14 1942-10-12 Indirectly heatable cathode for electrical discharge tubes.

Country Status (5)

Country Link
BE (1) BE447546A (en)
CH (1) CH241286A (en)
FR (1) FR886734A (en)
GB (1) GB642364A (en)
NL (1) NL59337C (en)

Also Published As

Publication number Publication date
FR886734A (en) 1943-10-22
NL59337C (en)
GB642364A (en) 1950-08-30
BE447546A (en)

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