BE519027A - - Google Patents

Info

Publication number
BE519027A
BE519027A BE519027DA BE519027A BE 519027 A BE519027 A BE 519027A BE 519027D A BE519027D A BE 519027DA BE 519027 A BE519027 A BE 519027A
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 BE519027A publication Critical patent/BE519027A/xx

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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
BE519027D 1952-04-09 BE519027A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL168731 1952-04-09

Publications (1)

Publication Number Publication Date
BE519027A true BE519027A (fr)

Family

ID=19750556

Family Applications (1)

Application Number Title Priority Date Filing Date
BE519027D BE519027A (fr) 1952-04-09

Country Status (7)

Country Link
US (1) US2925514A (fr)
BE (1) BE519027A (fr)
CH (1) CH318310A (fr)
ES (1) ES208641A1 (fr)
FR (1) FR1074360A (fr)
GB (1) GB725851A (fr)
NL (1) NL95281C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914836A1 (de) * 1979-04-11 1980-10-16 Siemens Ag Elektrodenaktivierungsmasse fuer eine gasentladungsroehre

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076915A (en) * 1954-12-24 1963-02-05 Egyesuelt Izzolampa Cathode assembly and method of making same
GB1137124A (en) * 1964-12-23 1968-12-18 Nat Res Dev Thermionic electron emitter
DE1234861B (de) * 1965-07-05 1967-02-23 Siemens Ag Vorratskathode fuer elektrische Entladungsgefaesse
DE1283403B (de) * 1966-08-05 1968-11-21 Siemens Ag Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse
US6603250B2 (en) * 2001-08-27 2003-08-05 Osram Sylvania Inc. Cathode coating for thermionic arc discharge lamp cathodes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922244A (en) * 1930-09-13 1933-08-15 Fansteel Prod Co Inc Electrode and method of making the same
US2085605A (en) * 1934-05-11 1937-06-29 Gen Electric Thermionic cathode for electric discharge devices
US2107945A (en) * 1934-11-20 1938-02-08 Gen Electric Cathode structure
GB624009A (en) * 1942-11-14 1949-05-26 Philips Nv Improvements in or relating to electric discharge tubes
BE477491A (fr) * 1943-05-28
BE486002A (fr) * 1947-11-26
BE486753A (fr) * 1948-01-15
BE515833A (fr) * 1951-11-29
NL91132C (fr) * 1951-11-29
GB731454A (en) * 1952-10-28 1955-06-08 Vickers Electrical Co Ltd Improvements relating to electron emissive devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914836A1 (de) * 1979-04-11 1980-10-16 Siemens Ag Elektrodenaktivierungsmasse fuer eine gasentladungsroehre

Also Published As

Publication number Publication date
FR1074360A (fr) 1954-10-05
GB725851A (en) 1955-03-09
ES208641A1 (es) 1953-07-01
NL95281C (fr)
CH318310A (de) 1956-12-31
US2925514A (en) 1960-02-16

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