NL38569C - - Google Patents

Info

Publication number
NL38569C
NL38569C NL38569DA NL38569C NL 38569 C NL38569 C NL 38569C NL 38569D A NL38569D A NL 38569DA NL 38569 C NL38569 C NL 38569C
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 NL38569C publication Critical patent/NL38569C/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
NL38569D 1933-06-24 NL38569C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18051/33A GB419096A (en) 1933-06-24 1933-06-24 Improvements in thermionic cathodes

Publications (1)

Publication Number Publication Date
NL38569C true NL38569C (enrdf_load_html_response)

Family

ID=10105780

Family Applications (1)

Application Number Title Priority Date Filing Date
NL38569D NL38569C (enrdf_load_html_response) 1933-06-24

Country Status (5)

Country Link
US (1) US2014787A (enrdf_load_html_response)
BE (1) BE403333A (enrdf_load_html_response)
FR (1) FR772609A (enrdf_load_html_response)
GB (1) GB419096A (enrdf_load_html_response)
NL (1) NL38569C (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589522A (en) * 1952-03-18 Cathode heater structure
US2589521A (en) * 1952-03-18 Heater
NL63789C (enrdf_load_html_response) * 1946-11-13
US2653268A (en) * 1950-05-01 1953-09-22 Beverly D Kumpfer Directly heated cathode structure
GB734196A (en) * 1952-06-11 1955-07-27 Standard Telephones Cables Ltd Improvements in or relating to indirectly heated cathodes
US2872611A (en) * 1953-11-16 1959-02-03 Sylvania Electric Prod Cathode
US3226806A (en) * 1960-03-18 1966-01-04 Eitel Mccullough Inc Method of making a cathode heater assembly
NL268393A (enrdf_load_html_response) * 1960-08-19
EP1983546A1 (en) * 2007-04-20 2008-10-22 PANalytical B.V. X-ray cathode and tube

Also Published As

Publication number Publication date
GB419096A (en) 1934-11-06
FR772609A (fr) 1934-11-02
US2014787A (en) 1935-09-17
BE403333A (enrdf_load_html_response)

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