BE440730A - - Google Patents

Info

Publication number
BE440730A
BE440730A BE440730DA BE440730A BE 440730 A BE440730 A BE 440730A BE 440730D A BE440730D A BE 440730DA BE 440730 A BE440730 A BE 440730A
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 BE440730A publication Critical patent/BE440730A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
    • 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
BE440730D 1940-03-29 BE440730A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE217618X 1940-03-29

Publications (1)

Publication Number Publication Date
BE440730A true BE440730A (xx)

Family

ID=5830858

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440730D BE440730A (xx) 1940-03-29

Country Status (4)

Country Link
US (1) US2310811A (xx)
BE (1) BE440730A (xx)
CH (1) CH217618A (xx)
FR (1) FR871119A (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732512A (en) * 1956-01-24 briggs
BE480334A (xx) * 1942-03-14
US2465370A (en) * 1944-06-26 1949-03-29 Standard Telephones Cables Ltd Ultra high frequency electron discharge device
US2500355A (en) * 1944-11-14 1950-03-14 Sylvania Electric Prod Electron discharge tube
US2476060A (en) * 1945-01-11 1949-07-12 Cossor Ltd A C Electron gun structure
US2695442A (en) * 1947-08-26 1954-11-30 Hartford Nat Bank & Trust Co Method of manufacturing electric discharge tubes
US2527127A (en) * 1948-12-24 1950-10-24 Bell Telephone Labor Inc Electronic discharge device
US2570165A (en) * 1949-08-16 1951-10-02 Rca Corp Limited-area cathode
BE513449A (xx) * 1951-08-11
US2886729A (en) * 1953-10-08 1959-05-12 Du Mont Allen B Lab Inc Grid-cathode structure for cathode ray tubes
US2825832A (en) * 1953-12-03 1958-03-04 Bell Telephone Labor Inc Thermionic cathode structure
US2840736A (en) * 1955-10-17 1958-06-24 Westinghouse Electric Corp Electron discharge device
US2892115A (en) * 1955-12-20 1959-06-23 Itt Cathode structures
US2938133A (en) * 1958-12-16 1960-05-24 Stewart Engineering Company Electron gun assembly
US3558965A (en) * 1967-10-02 1971-01-26 Nat Video Corp Cathode for television tube and method of making
US3641387A (en) * 1970-04-02 1972-02-08 Machlett Lab Inc Prestressed cathode structure for electron discharge devices
DE2410050A1 (de) * 1974-03-02 1975-09-11 Leybold Heraeus Gmbh & Co Kg Elektronenstrahlerzeuger mit linearer katode
DE2417820C3 (de) * 1974-04-11 1980-12-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Katodenkopf einer Drehanoden-Röntgenröhre
US4500809A (en) * 1979-04-09 1985-02-19 Tektronix, Inc. Electron gun having a low capacitance cathode and grid assembly
GB2046511B (en) * 1979-04-09 1983-04-20 Tektronix Inc Electron gun having a low capacitance cathode and grid assembly
NL8002037A (nl) * 1979-07-12 1981-01-14 Philips Nv Inrichting voorzien van een televisiekamerabuis en televiesiekamerabuis voor een dergelijke inrichting.
US4323813A (en) * 1980-01-23 1982-04-06 Rca Corporation Spring-loaded resistive lens structure for electron gun

Also Published As

Publication number Publication date
CH217618A (de) 1941-10-31
FR871119A (fr) 1942-04-09
US2310811A (en) 1943-02-09

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