NL255625A - - Google Patents

Info

Publication number
NL255625A
NL255625A NL255625DA NL255625A NL 255625 A NL255625 A NL 255625A NL 255625D A NL255625D A NL 255625DA NL 255625 A NL255625 A NL 255625A
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 NL255625A publication Critical patent/NL255625A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
NL255625D 1959-09-18 NL255625A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES64991A DE1129239B (de) 1959-09-18 1959-09-18 Steuerbare Hochvakuum-Verstaerkerroehre ohne Heizerkreis und Verfahren zum Betrieb der Roehre

Publications (1)

Publication Number Publication Date
NL255625A true NL255625A (es)

Family

ID=7497656

Family Applications (1)

Application Number Title Priority Date Filing Date
NL255625D NL255625A (es) 1959-09-18

Country Status (3)

Country Link
US (1) US3156844A (es)
DE (1) DE1129239B (es)
NL (1) NL255625A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113461C (es) * 1961-03-08
US3242374A (en) * 1961-04-21 1966-03-22 Tung Sol Electric Inc Cold cathode with nickel base, calcium oxide interface and magnesium oxide layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962282C (de) * 1953-10-29 1957-04-18 Lorenz C Ag Oxydkathode fuer Verstaerkerroehren und Schaltungsanordnung fuer eine gittergesteuerte Verstaerkerroehre
US2875367A (en) * 1954-10-22 1959-02-24 Gen Electric Cathode structures
US2939990A (en) * 1956-05-21 1960-06-07 Int Standard Electric Corp Oxide cathode for amplifier tubes
US2873218A (en) * 1957-04-16 1959-02-10 Dobischek Dietrich Method of making an electron emitter

Also Published As

Publication number Publication date
US3156844A (en) 1964-11-10
DE1129239B (de) 1962-05-10

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