BE478852A - - Google Patents

Info

Publication number
BE478852A
BE478852A BE478852DA BE478852A BE 478852 A BE478852 A BE 478852A BE 478852D A BE478852D A BE 478852DA BE 478852 A BE478852 A BE 478852A
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 BE478852A publication Critical patent/BE478852A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
    • 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
BE478852D 1942-06-26 BE478852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US448541A US2367332A (en) 1942-06-26 1942-06-26 Cathode

Publications (1)

Publication Number Publication Date
BE478852A true BE478852A (en)

Family

ID=23780713

Family Applications (1)

Application Number Title Priority Date Filing Date
BE478852D BE478852A (en) 1942-06-26

Country Status (3)

Country Link
US (1) US2367332A (en)
BE (1) BE478852A (en)
FR (1) FR953655A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899591A (en) * 1959-08-11 Electrical heating device
US2514925A (en) * 1942-11-09 1950-07-11 Gen Electric High-frequency electric discharge device and system therefor
US2454298A (en) * 1943-07-29 1948-11-23 Harold A Zahl Electronic tube
US2467420A (en) * 1943-11-18 1949-04-19 Jr Abraham Binneweg Short-wave adjustable radio tube
BE470922A (en) * 1944-01-31
US2431273A (en) * 1944-04-17 1947-11-18 Rca Corp Electron discharge device employing a cavity resonator
US2462909A (en) * 1944-06-26 1949-03-01 Standard Telephones Cables Ltd High-frequency generator
US2452626A (en) * 1945-03-03 1948-11-02 Gen Electric X Ray Corp Electron emitter
US2459859A (en) * 1945-03-23 1949-01-25 Standard Telephones Cables Ltd Grid structure for electron discharge devices
US2446269A (en) * 1945-05-08 1948-08-03 Eitel Mccullough Inc Electrode mounting structure for electron tubes
US2441224A (en) * 1945-08-02 1948-05-11 Nat Union Radio Corp Electron discharge device
US2553580A (en) * 1945-08-22 1951-05-22 Sylvania Electric Prod Electron discharge device
US2472942A (en) * 1947-03-18 1949-06-14 Eitel Mccuilough Inc Electron tube
US2582684A (en) * 1949-07-12 1952-01-15 Eitel Mccullough Inc Electron tube structure
US2720608A (en) * 1951-03-13 1955-10-11 Wihtol Weltis Cathodes for electron tubes
BE511284A (en) * 1951-05-11
US2695972A (en) * 1952-04-24 1954-11-30 Hartford Nat Bank & Trust Co Electric discharge tube for use at very high-frequencies and ultrahigh frequencies
US2875367A (en) * 1954-10-22 1959-02-24 Gen Electric Cathode structures
FR1137688A (en) * 1954-10-22 1957-06-03 Thomson Houston Comp Francaise Advanced cathode
US2878410A (en) * 1954-11-09 1959-03-17 Gen Electric Electronic tube structure
US2941109A (en) * 1957-10-25 1960-06-14 Eitel Mccullough Inc Tube having planar electrodes
DE1112209B (en) * 1959-03-20 1961-08-03 Siemens Ag Indirectly heated cathode with a disc-shaped emission surface and a holder made of seamless foil-tube
US3263109A (en) * 1961-07-24 1966-07-26 Siemens Ag Electron source for corpuscular radiation apparatus operating on a pump including an indirectly heated cathode
US3187215A (en) * 1961-10-02 1965-06-01 Bendix Corp Spark gap device
US3246195A (en) * 1962-04-17 1966-04-12 Hitachi Ltd High-frequency electron tubes
US3522466A (en) * 1968-07-29 1970-08-04 Takeo Kamegaya Electric discharge lamps having hot cathode

Also Published As

Publication number Publication date
FR953655A (en) 1949-12-12
US2367332A (en) 1945-01-16

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