NL74391C - - Google Patents

Info

Publication number
NL74391C
NL74391C NL74391DA NL74391C NL 74391 C NL74391 C NL 74391C NL 74391D A NL74391D A NL 74391DA NL 74391 C NL74391 C NL 74391C
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 NL74391C publication Critical patent/NL74391C/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
    • H01J1/18—Supports; Vibration-damping arrangements
NL74391D 1946-10-16 NL74391C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30742/46A GB635981A (en) 1946-10-16 1946-10-16 Improvements in or relating to supporting means for electrically heated filaments

Publications (1)

Publication Number Publication Date
NL74391C true NL74391C (enrdf_load_stackoverflow)

Family

ID=10312422

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74391D NL74391C (enrdf_load_stackoverflow) 1946-10-16

Country Status (6)

Country Link
US (1) US2521714A (enrdf_load_stackoverflow)
BE (1) BE477333A (enrdf_load_stackoverflow)
ES (1) ES179745A1 (enrdf_load_stackoverflow)
FR (1) FR957229A (enrdf_load_stackoverflow)
GB (1) GB635981A (enrdf_load_stackoverflow)
NL (1) NL74391C (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1965338A (en) * 1930-05-21 1934-07-03 Western Electric Co Thermionic discharge device
US2226680A (en) * 1939-05-09 1940-12-31 Fed Telegraph Co Vacuum tube cathode support
US2298608A (en) * 1939-11-07 1942-10-13 Sperry Gyroscope Co Inc Memory type recorder
US2317222A (en) * 1941-03-20 1943-04-20 Bell Telephone Labor Inc Electron discharge device
US2399004A (en) * 1943-02-12 1946-04-23 Gen Electric Electric discharge device and method of fabrication
US2419124A (en) * 1943-11-10 1947-04-15 Westinghouse Electric Corp Insulating means for metallic spacers in electron discharge devices
US2404042A (en) * 1944-10-12 1946-07-16 Westinghouse Electric Corp Electron discharge device

Also Published As

Publication number Publication date
US2521714A (en) 1950-09-12
GB635981A (en) 1950-04-19
ES179745A1 (es) 1947-11-01
FR957229A (enrdf_load_stackoverflow) 1950-02-17
BE477333A (enrdf_load_stackoverflow)

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