CH425000A - Cathode unit for an electric discharge tube - Google Patents

Cathode unit for an electric discharge tube

Info

Publication number
CH425000A
CH425000A CH1208264A CH1208264A CH425000A CH 425000 A CH425000 A CH 425000A CH 1208264 A CH1208264 A CH 1208264A CH 1208264 A CH1208264 A CH 1208264A CH 425000 A CH425000 A CH 425000A
Authority
CH
Switzerland
Prior art keywords
electric discharge
discharge tube
cathode unit
cathode
unit
Prior art date
Application number
CH1208264A
Other languages
German (de)
Inventor
Albert Jurgens Wilhelmus
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 CH425000A publication Critical patent/CH425000A/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
CH1208264A 1963-09-20 1964-09-17 Cathode unit for an electric discharge tube CH425000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL63298210A NL142273B (en) 1963-09-20 1963-09-20 DIRECTLY HEATED CATHODE FOR AN ELECTRICAL DISCHARGE TUBE, AND ELECTRIC DISCHARGE TUBE FITTED WITH AT LEAST SUCH A CATHOD.

Publications (1)

Publication Number Publication Date
CH425000A true CH425000A (en) 1966-11-30

Family

ID=19755072

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1208264A CH425000A (en) 1963-09-20 1964-09-17 Cathode unit for an electric discharge tube

Country Status (8)

Country Link
US (1) US3327157A (en)
AT (1) AT250517B (en)
BE (1) BE653296A (en)
CH (1) CH425000A (en)
DE (1) DE1234857B (en)
ES (1) ES304155A1 (en)
GB (1) GB1025168A (en)
NL (2) NL142273B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922578A (en) * 1974-05-01 1975-11-25 Gte Sylvania Inc Large area cathode
US4487673A (en) * 1982-04-21 1984-12-11 Rca Corporation Method of making a line cathode having localized emissive coating

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720442A (en) * 1923-06-19 1929-07-09 Ass Elect Ind Vacuum electric-tube apparatus
DE519082C (en) * 1926-04-21 1931-02-23 Radiotechnique Soc Process for the production of electron tubes
US1980937A (en) * 1933-09-07 1934-11-13 Rca Corp Electron discharge device
US2656477A (en) * 1951-05-25 1953-10-20 Lafayette M Hughes Photoelectric cell having a light sensitive electron emissive cathode
AT230502B (en) * 1960-10-14 1963-12-10 Philips Nv Directly heated cathode for an electrical discharge tube, forming a rigid, handleable unit

Also Published As

Publication number Publication date
NL298210A (en)
ES304155A1 (en) 1965-03-16
DE1234857B (en) 1967-02-23
AT250517B (en) 1966-11-10
NL142273B (en) 1974-05-15
US3327157A (en) 1967-06-20
GB1025168A (en) 1966-04-06
BE653296A (en) 1965-03-18

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