NL88786C - - Google Patents

Info

Publication number
NL88786C
NL88786C NL88786DA NL88786C NL 88786 C NL88786 C NL 88786C NL 88786D A NL88786D A NL 88786DA NL 88786 C NL88786 C NL 88786C
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 NL88786C publication Critical patent/NL88786C/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
NL88786D 1955-04-02 NL88786C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL340280X 1955-04-02

Publications (1)

Publication Number Publication Date
NL88786C true NL88786C (enrdf_load_html_response)

Family

ID=19784673

Family Applications (1)

Application Number Title Priority Date Filing Date
NL88786D NL88786C (enrdf_load_html_response) 1955-04-02

Country Status (6)

Country Link
US (1) US2882436A (enrdf_load_html_response)
CH (1) CH340280A (enrdf_load_html_response)
DE (1) DE1009313B (enrdf_load_html_response)
FR (1) FR1144978A (enrdf_load_html_response)
GB (1) GB797964A (enrdf_load_html_response)
NL (1) NL88786C (enrdf_load_html_response)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152276A (en) * 1960-09-08 1964-10-06 Philips Corp Electron tube having coaxial terminals for an interiorly emissive cathode
DE1146985B (de) * 1960-11-04 1963-04-11 Siemens Ag Halbindirekt geheizte Kathode fuer Elektronenroehren
FR1312580A (fr) * 1961-11-09 1962-12-21 Csf Perfectionnements aux cathodes de dimensions millimétriques pour tubes électroniques
US3249791A (en) * 1963-06-12 1966-05-03 Varian Associates Electron tube and combination for sensing and regulating the cathode temperature thereof
FR1455956A (fr) * 1965-07-20 1966-05-20 Thomson Houston Comp Francaise Perfectionnements aux cathodes à chauffage direct
US3482300A (en) * 1966-10-31 1969-12-09 Screen Printing Systems Inc Printing screen and method of making same
US3465400A (en) * 1967-02-01 1969-09-09 Varian Associates Method of making cylindrical mesh electrode for electron tubes
NL7201534A (enrdf_load_html_response) * 1972-02-05 1973-08-07
US3976909A (en) * 1975-07-11 1976-08-24 Rca Corporation Wire mesh cathode
SU1042105A1 (ru) * 1980-02-05 1983-09-15 Организация П/Я Х-5263 Решетчатый катод пр мого накала дл электронных ламп и способ его изготовлени
FR2532468A1 (fr) * 1982-08-31 1984-03-02 Thomson Csf Perfectionnement aux cathodes a chauffage direct
US4781640A (en) * 1985-01-24 1988-11-01 Varian Associates, Inc. Basket electrode shaping

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1596672A (en) * 1924-02-05 1926-08-17 Luckash Andrew Audion tube
US1874355A (en) * 1924-03-10 1932-08-30 Rca Corp Thermionic valve
US2210761A (en) * 1936-10-07 1940-08-06 Gen Electric Cathode
US2363028A (en) * 1941-12-16 1944-11-21 Carl J Warnke Cathode filament
US2724069A (en) * 1950-03-30 1955-11-15 English Electric Valve Co Ltd Thermionic valves
DE899081C (de) * 1950-05-17 1953-12-07 Siemens Ag Kathode fuer Elektronenroehren
NL86395C (enrdf_load_html_response) * 1950-05-17

Also Published As

Publication number Publication date
GB797964A (en) 1958-07-09
CH340280A (de) 1959-08-15
DE1009313B (de) 1957-05-29
US2882436A (en) 1959-04-14
FR1144978A (fr) 1957-10-21

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