BE472665A - - Google Patents

Info

Publication number
BE472665A
BE472665A BE472665DA BE472665A BE 472665 A BE472665 A BE 472665A BE 472665D A BE472665D A BE 472665DA BE 472665 A BE472665 A BE 472665A
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 BE472665A publication Critical patent/BE472665A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/02Details
    • H01J17/04Electrodes; Screens
    • H01J17/06Cathodes
BE472665D 1945-08-30 BE472665A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US613455A US2426255A (en) 1945-08-30 1945-08-30 Cathode for electron discharge devices

Publications (1)

Publication Number Publication Date
BE472665A true BE472665A (en:Method)

Family

ID=24457385

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472665D BE472665A (en:Method) 1945-08-30

Country Status (7)

Country Link
US (1) US2426255A (en:Method)
BE (1) BE472665A (en:Method)
CH (1) CH265652A (en:Method)
ES (1) ES176810A1 (en:Method)
FR (1) FR938873A (en:Method)
GB (1) GB616712A (en:Method)
NL (1) NL66444C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965856C (de) * 1952-09-17 1957-06-27 Licentia Gmbh Gluehkathodenroehre mit Dampf- oder Gasfuellung und Oxydkathode
DE1018164B (de) * 1952-12-04 1957-10-24 Siemens Ag Gasentladungsroehre
DE1022699B (de) * 1956-04-27 1958-01-16 Siemens Ag Gas- oder dampfgefuelltes elektrisches Entladungsgefaess langer Lebensdauer mit heizbarer Oxydkathode aus Nickel und einem auf Nickel aufgetragenen Elektronen emittierenden UEberzug
JPS5451776A (en) * 1977-10-03 1979-04-23 Nippon Hoso Kyokai <Nhk> Gas discharge display panel
US6519386B1 (en) * 1998-01-30 2003-02-11 Coretek, Inc. Light coupling apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1913432A (en) * 1931-06-11 1933-06-13 Bell Telephone Labor Inc Electric discharge device
NL52447C (en:Method) * 1938-02-04

Also Published As

Publication number Publication date
ES176810A1 (es) 1947-03-16
US2426255A (en) 1947-08-26
FR938873A (fr) 1948-10-27
CH265652A (fr) 1949-12-15
NL66444C (en:Method)
GB616712A (en) 1949-01-26

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