BE475720A - - Google Patents

Info

Publication number
BE475720A
BE475720A BE475720DA BE475720A BE 475720 A BE475720 A BE 475720A BE 475720D A BE475720D A BE 475720DA BE 475720 A BE475720 A BE 475720A
Authority
BE
Belgium
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 BE475720A publication Critical patent/BE475720A/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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
BE475720D 1946-08-30 BE475720A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL262907X 1946-08-30

Publications (1)

Publication Number Publication Date
BE475720A true BE475720A (en:Method)

Family

ID=19781584

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475720D BE475720A (en:Method) 1946-08-30

Country Status (6)

Country Link
US (1) US2504335A (en:Method)
BE (1) BE475720A (en:Method)
CH (1) CH262907A (en:Method)
DE (1) DE817936C (en:Method)
FR (1) FR952562A (en:Method)
GB (1) GB639589A (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810202A (en) * 1955-06-10 1959-03-11 Vickers Electrical Co Ltd Improvements relating to thermionic cathodes for electron discharge devices
US2919373A (en) * 1957-01-22 1959-12-29 Edgerton Germeshausen & Grier Cathode heater
DE1143589B (de) * 1959-12-22 1963-02-14 Edgerton Germeshausen And Grie Verfahren zur Herstellung eines Heizers fuer Kathoden von elektrischen Entladungsroehren
US3097419A (en) * 1960-03-11 1963-07-16 dickson
US3226806A (en) * 1960-03-18 1966-01-04 Eitel Mccullough Inc Method of making a cathode heater assembly
NL298577A (en:Method) * 1963-02-25
AT265448B (de) * 1963-04-30 1968-10-10 Matsushita Electronics Corp Verfahren zur Herstellung flacher Kathoden für Elektronenröhren
US3581144A (en) * 1969-03-27 1971-05-25 Gen Electric Metal-clad insulated electrical heater
DE102012209936A1 (de) * 2012-06-13 2013-12-19 Webasto Ag Elektrische Heizeinrichtung für ein Kraftfahrzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038341A (en) * 1934-06-07 1936-04-21 Aeg Electron discharge device
AT148796B (de) * 1935-03-06 1937-03-10 Ver Telephon Czeija Nissl & Co Indirekt geheizte Kathode.
FR833591A (fr) * 1937-06-23 1938-10-25 Materiel Telephonique Procédés et moyens applicables notamment à l'amplification de variations électriques
US2263169A (en) * 1940-10-12 1941-11-18 Westinghouse Electric & Mfg Co Indirectly heated cathode
BE470922A (en:Method) * 1944-01-31
FR959951A (en:Method) * 1944-02-12 1950-04-07
US2436907A (en) * 1945-06-23 1948-03-02 Nasa Indirectly heated cathode

Also Published As

Publication number Publication date
GB639589A (en) 1950-06-28
DE817936C (de) 1951-10-22
CH262907A (de) 1949-07-31
US2504335A (en) 1950-04-18
FR952562A (fr) 1949-11-21

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