BE509019A - - Google Patents

Info

Publication number
BE509019A
BE509019A BE509019DA BE509019A BE 509019 A BE509019 A BE 509019A BE 509019D A BE509019D A BE 509019DA BE 509019 A BE509019 A BE 509019A
Authority
BE
Belgium
Application number
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.)
Publication of BE509019A publication Critical patent/BE509019A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode
BE509019D 1951-02-08 BE509019A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL298304X 1951-02-08

Publications (1)

Publication Number Publication Date
BE509019A true BE509019A (no)

Family

ID=19783092

Family Applications (1)

Application Number Title Priority Date Filing Date
BE509019D BE509019A (no) 1951-02-08

Country Status (4)

Country Link
BE (1) BE509019A (no)
CH (1) CH298304A (no)
FR (1) FR1050568A (no)
GB (1) GB701871A (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880342A (en) * 1956-10-25 1959-03-31 Gen Dynamics Corp Electron beam for a cathode ray tube
US2975322A (en) * 1958-12-29 1961-03-14 Raytheon Co Indirectly heated cathodes
NL108689C (no) * 1959-01-23 1900-01-01
NL8105921A (nl) * 1981-12-31 1983-07-18 Philips Nv Televisiekamerabuis.
JPH11339633A (ja) * 1997-11-04 1999-12-10 Sony Corp 含浸型陰極およびその製造方法、並びに電子銃および電子管

Also Published As

Publication number Publication date
FR1050568A (fr) 1954-01-08
GB701871A (en) 1954-01-06
CH298304A (de) 1954-04-30

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