NL34413C - - Google Patents

Info

Publication number
NL34413C
NL34413C NL34413DA NL34413C NL 34413 C NL34413 C NL 34413C NL 34413D A NL34413D A NL 34413DA NL 34413 C NL34413 C NL 34413C
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 NL34413C publication Critical patent/NL34413C/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
NL34413D 1930-04-05 NL34413C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441986A US2009839A (en) 1930-04-05 1930-04-05 Thermionic cathode

Publications (1)

Publication Number Publication Date
NL34413C true NL34413C (enrdf_load_stackoverflow)

Family

ID=23755087

Family Applications (1)

Application Number Title Priority Date Filing Date
NL34413D NL34413C (enrdf_load_stackoverflow) 1930-04-05

Country Status (3)

Country Link
US (1) US2009839A (enrdf_load_stackoverflow)
GB (1) GB375851A (enrdf_load_stackoverflow)
NL (1) NL34413C (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496374A (en) * 1943-11-24 1950-02-07 Boucher And Keiser Company Tubular electric lamp
US2488727A (en) * 1947-01-13 1949-11-22 Gen Electric Electrode for electric discharge devices
US2549355A (en) * 1948-02-28 1951-04-17 Gen Electric Fluorescent lamp
US2699514A (en) * 1951-11-28 1955-01-11 Duro Test Corp Fluorescent lamp
NL94116C (enrdf_load_stackoverflow) * 1953-06-15
US2871394A (en) * 1955-11-28 1959-01-27 Raytheon Mfg Co Electron discharge devices and cathodes therefor
US4117374A (en) * 1976-12-23 1978-09-26 General Electric Company Fluorescent lamp with opposing inversere cone electrodes

Also Published As

Publication number Publication date
GB375851A (en) 1932-06-30
US2009839A (en) 1935-07-30

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