CH434490A - Directly heated cathode for an electrical discharge tube - Google Patents

Directly heated cathode for an electrical discharge tube

Info

Publication number
CH434490A
CH434490A CH1059165A CH1059165A CH434490A CH 434490 A CH434490 A CH 434490A CH 1059165 A CH1059165 A CH 1059165A CH 1059165 A CH1059165 A CH 1059165A CH 434490 A CH434490 A CH 434490A
Authority
CH
Switzerland
Prior art keywords
discharge tube
electrical discharge
directly heated
heated cathode
cathode
Prior art date
Application number
CH1059165A
Other languages
German (de)
Inventor
Edward Finn John
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 CH434490A publication Critical patent/CH434490A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
CH1059165A 1964-07-31 1965-07-28 Directly heated cathode for an electrical discharge tube CH434490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US386670A US3312854A (en) 1964-07-31 1964-07-31 Cathode having a u-shaped support member

Publications (1)

Publication Number Publication Date
CH434490A true CH434490A (en) 1967-04-30

Family

ID=23526556

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1059165A CH434490A (en) 1964-07-31 1965-07-28 Directly heated cathode for an electrical discharge tube

Country Status (8)

Country Link
US (1) US3312854A (en)
AT (1) AT255587B (en)
BE (1) BE667642A (en)
CH (1) CH434490A (en)
DE (1) DE1234328B (en)
ES (1) ES315935A1 (en)
GB (1) GB1042238A (en)
NL (1) NL6509669A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830469A1 (en) * 1988-09-08 1990-03-15 Gruenau Gmbh Chem Fab METHOD FOR PRODUCING POWDER-SHAPED, WATER-WASHABLE, ENZYMATICALLY DEGRADED HETEROPOLYSACCHARIDES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE15278E (en) * 1922-01-31 Electron-discharge apparatus
US1652164A (en) * 1920-12-18 1927-12-13 Henry S Coyer Metallic oscillion and method of constructing same
US2020025A (en) * 1933-01-28 1935-11-05 Television Lab Ltd Cathode ray tube

Also Published As

Publication number Publication date
BE667642A (en) 1966-01-31
DE1234328B (en) 1967-02-16
NL6509669A (en) 1966-02-01
AT255587B (en) 1967-07-10
ES315935A1 (en) 1965-11-01
GB1042238A (en) 1966-09-14
US3312854A (en) 1967-04-04

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