AT258426B - Indirectly heatable cathode for an electrical discharge tube - Google Patents

Indirectly heatable cathode for an electrical discharge tube

Info

Publication number
AT258426B
AT258426B AT1100165A AT1100165A AT258426B AT 258426 B AT258426 B AT 258426B AT 1100165 A AT1100165 A AT 1100165A AT 1100165 A AT1100165 A AT 1100165A AT 258426 B AT258426 B AT 258426B
Authority
AT
Austria
Prior art keywords
discharge tube
electrical discharge
indirectly heatable
heatable cathode
cathode
Prior art date
Application number
AT1100165A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT258426B publication Critical patent/AT258426B/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
AT1100165A 1964-12-10 1965-12-07 Indirectly heatable cathode for an electrical discharge tube AT258426B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646414340A NL141698B (en) 1964-12-10 1964-12-10 INDIRECTLY HEATED CATHOD FOR AN ELECTRIC DISCHARGE TUBE.

Publications (1)

Publication Number Publication Date
AT258426B true AT258426B (en) 1967-11-27

Family

ID=19791604

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1100165A AT258426B (en) 1964-12-10 1965-12-07 Indirectly heatable cathode for an electrical discharge tube

Country Status (11)

Country Link
US (1) US3366827A (en)
AT (1) AT258426B (en)
BE (1) BE673477A (en)
CH (1) CH438499A (en)
DE (1) DE1236663B (en)
ES (1) ES320448A1 (en)
FR (1) FR1457177A (en)
GB (1) GB1100195A (en)
NL (1) NL141698B (en)
NO (1) NO116432B (en)
SE (1) SE312381B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29703990U1 (en) * 1997-03-05 1997-04-17 Thielen Marcus Dipl Phys Cold electrode for gas discharges

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143915A (en) * 1935-11-07 1939-01-17 Telefunken Gmbh Indirectly heated cathode
US2155237A (en) * 1937-11-18 1939-04-18 Gen Electric Electric discharge device
US2201731A (en) * 1938-11-30 1940-05-21 Gen Electric Discharge tube electrode assembly

Also Published As

Publication number Publication date
FR1457177A (en) 1966-10-28
SE312381B (en) 1969-07-14
ES320448A1 (en) 1966-07-01
CH438499A (en) 1967-06-30
NL141698B (en) 1974-03-15
NL6414340A (en) 1966-06-13
US3366827A (en) 1968-01-30
DE1236663B (en) 1967-03-16
BE673477A (en) 1966-06-08
GB1100195A (en) 1968-01-24
NO116432B (en) 1969-03-24

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