BE477491A - - Google Patents

Info

Publication number
BE477491A
BE477491A BE477491DA BE477491A BE 477491 A BE477491 A BE 477491A BE 477491D A BE477491D A BE 477491DA BE 477491 A BE477491 A BE 477491A
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 BE477491A publication Critical patent/BE477491A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
BE477491D 1943-05-28 BE477491A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488825A US2416661A (en) 1943-05-28 1943-05-28 Dispenser type cathode electric discharge device

Publications (1)

Publication Number Publication Date
BE477491A true BE477491A (enrdf_load_html_response)

Family

ID=23941276

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477491D BE477491A (enrdf_load_html_response) 1943-05-28

Country Status (3)

Country Link
US (1) US2416661A (enrdf_load_html_response)
BE (1) BE477491A (enrdf_load_html_response)
FR (1) FR943074A (enrdf_load_html_response)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491425A (en) * 1946-01-26 1949-12-13 Raytheon Mfg Co Electrode structure for gaseous discharge devices
US2678403A (en) * 1946-05-03 1954-05-11 Us Navy Grid probe structure
US2592556A (en) * 1947-09-25 1952-04-15 Kenneth J Germeshausen Gaseous-discharge device
US2624024A (en) * 1949-10-26 1952-12-30 Hartford Nat Bank & Trust Co Cathode for use in electron discharge tubes
US2640949A (en) * 1951-02-07 1953-06-02 Atomic Energy Commission Electron source
BE519027A (enrdf_load_html_response) * 1952-04-09
US2757308A (en) * 1954-01-28 1956-07-31 Gera Corp Emissive cathode
US3201639A (en) * 1955-02-09 1965-08-17 Philips Corp Thermionic dispenser cathode
GB931059A (en) * 1961-02-10 1963-07-10 Thorn Electrical Ind Ltd Improvements in and relating to thermionic cathodes
US3439210A (en) * 1966-01-03 1969-04-15 Hughes Aircraft Co Thermionic emission cathode having reduced frontal area and enlarged emission area for ion bombardment environment
US3461334A (en) * 1967-02-27 1969-08-12 Westinghouse Electric Corp Ceramic discharge lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR593479A (fr) * 1924-04-10 1925-08-24 Philips Nv Tube à décharge à cathode incandescente, ayant une enveloppe consistant partiellement en matière isolante et partiellement en métal
US2201731A (en) * 1938-11-30 1940-05-21 Gen Electric Discharge tube electrode assembly
US2317222A (en) * 1941-03-20 1943-04-20 Bell Telephone Labor Inc Electron discharge device

Also Published As

Publication number Publication date
US2416661A (en) 1947-02-25
FR943074A (fr) 1949-02-25

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