BE437124A - - Google Patents

Info

Publication number
BE437124A
BE437124A BE437124DA BE437124A BE 437124 A BE437124 A BE 437124A BE 437124D A BE437124D A BE 437124DA BE 437124 A BE437124 A BE 437124A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE437124A publication Critical patent/BE437124A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/54Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output in which the electron ray or beam is reflected by the image input screen on to the image output screen
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36Photoelectric screens; Charge-storage screens
    • H01J29/38Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
BE437124D 1938-12-04 1939-11-22 BE437124A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF4594D DE891305C (de) 1938-12-04 1938-12-04 Entladungsroehre mit photoelektrischer Kathode

Publications (1)

Publication Number Publication Date
BE437124A true BE437124A (de) 1939-12-30

Family

ID=7084256

Family Applications (1)

Application Number Title Priority Date Filing Date
BE437124D BE437124A (de) 1938-12-04 1939-11-22

Country Status (4)

Country Link
BE (1) BE437124A (de)
DE (1) DE891305C (de)
FR (1) FR872430A (de)
NL (1) NL60019C (de)

Also Published As

Publication number Publication date
DE891305C (de) 1953-09-28
FR872430A (fr) 1942-06-08
NL60019C (de) 1947-10-15

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