NL97571C - - Google Patents

Info

Publication number
NL97571C
NL97571C NL97571DA NL97571C NL 97571 C NL97571 C NL 97571C NL 97571D A NL97571D A NL 97571DA NL 97571 C NL97571 C NL 97571C
Authority
NL
Netherlands
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 NL97571C publication Critical patent/NL97571C/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
NL97571D 1953-11-18 NL97571C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345392XA 1953-11-18 1953-11-18

Publications (1)

Publication Number Publication Date
NL97571C true NL97571C (enrdf_load_html_response)

Family

ID=21877047

Family Applications (1)

Application Number Title Priority Date Filing Date
NL97571D NL97571C (enrdf_load_html_response) 1953-11-18

Country Status (7)

Country Link
US (1) US2899592A (enrdf_load_html_response)
BE (1) BE533455A (enrdf_load_html_response)
CH (1) CH345392A (enrdf_load_html_response)
DE (1) DE1043519B (enrdf_load_html_response)
FR (1) FR1113555A (enrdf_load_html_response)
GB (1) GB777142A (enrdf_load_html_response)
NL (1) NL97571C (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261666A (enrdf_load_html_response) * 1960-02-25
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
US3693007A (en) * 1970-05-25 1972-09-19 Egyesuelt Izzolampa Oxide cathode for an electric discharge device
US4417173A (en) * 1980-12-09 1983-11-22 E M I-Varian Limited Thermionic electron emitters and methods of making them

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954474A (en) * 1927-05-20 1934-04-10 Espe Werner Glow cathode
US2085605A (en) * 1934-05-11 1937-06-29 Gen Electric Thermionic cathode for electric discharge devices
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
DE707255C (de) * 1936-09-21 1941-06-17 Siemens Schuckertwerke Akt Ges Gluehkathode hoher Leistung, insbesondere fuer gas- oder dampfgefuellte Entladungsgefaese
US2147447A (en) * 1936-09-21 1939-02-14 Siemens Ag Glow cathode
US2180988A (en) * 1937-06-16 1939-11-21 Gen Electric Electrode for electric discharge devices
US2389060A (en) * 1943-08-13 1945-11-13 Callite Tungsten Corp Refractory body of high electronic emission
US2473550A (en) * 1947-08-19 1949-06-21 Raytheon Mfg Co Directly heated cathode
BE486002A (enrdf_load_html_response) * 1947-11-26
BE498869A (enrdf_load_html_response) * 1949-10-25
US2741717A (en) * 1951-06-14 1956-04-10 Siemens Ag Dispenser type cathode having gettercoated parts
DE895479C (de) * 1951-11-20 1953-11-02 Siemens Ag Kathode fuer elektrische Entladungsgefaesse
NL91132C (enrdf_load_html_response) * 1951-11-29
NL91131C (enrdf_load_html_response) * 1951-11-29
IT500079A (enrdf_load_html_response) * 1952-02-27

Also Published As

Publication number Publication date
BE533455A (enrdf_load_html_response)
US2899592A (en) 1959-08-11
GB777142A (en) 1957-06-19
DE1043519B (de) 1958-11-13
FR1113555A (fr) 1956-03-30
CH345392A (de) 1960-03-31

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