BE438749A - - Google Patents

Info

Publication number
BE438749A
BE438749A BE438749DA BE438749A BE 438749 A BE438749 A BE 438749A BE 438749D A BE438749D A BE 438749DA BE 438749 A BE438749 A BE 438749A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE438749A publication Critical patent/BE438749A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself
BE438749D 1938-11-30 1940-09-21 BE438749A (enrdf_load_html_response)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US243101A US2201731A (en) 1938-11-30 1938-11-30 Discharge tube electrode assembly
US261395A US2201720A (en) 1938-11-30 1939-03-11 Thermionic cathode structure
US266803A US2246176A (en) 1938-11-30 1939-04-08 Thermionic discharge device
US283803A US2201721A (en) 1938-11-30 1939-07-11 Thermionic cathode structure

Publications (1)

Publication Number Publication Date
BE438749A true BE438749A (enrdf_load_html_response) 1940-10-31

Family

ID=42358497

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438749D BE438749A (enrdf_load_html_response) 1938-11-30 1940-09-21

Country Status (5)

Country Link
US (4) US2201731A (enrdf_load_html_response)
BE (1) BE438749A (enrdf_load_html_response)
FR (2) FR861969A (enrdf_load_html_response)
GB (2) GB536070A (enrdf_load_html_response)
NL (1) NL55022C (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE477491A (enrdf_load_html_response) * 1943-05-28
US2456649A (en) * 1943-06-12 1948-12-21 Glenn F Rouse Cathode
US2675498A (en) * 1948-12-07 1954-04-13 Raytheon Mfg Co Cathode for electron discharge devices
US2605432A (en) * 1949-10-19 1952-07-29 Electrons Inc Indirectly heated cathode structure
US2647216A (en) * 1950-04-01 1953-07-28 Rca Corp Dispenser cathode
US2610305A (en) * 1951-01-05 1952-09-09 Chatham Electronics Corp Control electrode for discharge tubes
DE962188C (de) * 1951-10-12 1957-04-18 Philips Nv Elektrische Entladungsroehre mit Quecksilberkathode und Gasfuellung
DE1018164B (de) * 1952-12-04 1957-10-24 Siemens Ag Gasentladungsroehre
GB931059A (en) * 1961-02-10 1963-07-10 Thorn Electrical Ind Ltd Improvements in and relating to thermionic cathodes
NL141698B (nl) * 1964-12-10 1974-03-15 Philips Nv Indirect verhitte kathode voor een elektrische ontladingsbuis.
GB1204316A (en) * 1966-09-26 1970-09-03 Atomic Energy Authority Uk Improvements in or relating to electron emitting cathodes for irradiation machines
US3534218A (en) * 1967-03-30 1970-10-13 Atomic Energy Authority Uk Electron emitting cathodes for irradiation machines
US4611147A (en) * 1984-04-05 1986-09-09 The United States Of America As Represented By The United States Department Of Energy Thermionic gas switch

Also Published As

Publication number Publication date
FR51138E (fr) 1941-08-08
NL55022C (enrdf_load_html_response) 1943-08-16
US2201720A (en) 1940-05-21
US2246176A (en) 1941-06-17
GB536070A (en) 1941-05-01
US2201721A (en) 1940-05-21
US2201731A (en) 1940-05-21
FR861969A (fr) 1941-02-22
GB542495A (en) 1942-01-12

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