BE393490A - - Google Patents

Info

Publication number
BE393490A
BE393490A BE393490DA BE393490A BE 393490 A BE393490 A BE 393490A BE 393490D A BE393490D A BE 393490DA BE 393490 A BE393490 A BE 393490A
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 BE393490A publication Critical patent/BE393490A/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
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only
    • 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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
BE393490D 1932-01-29 BE393490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2738/32A GB396422A (en) 1932-01-29 1932-01-29 Improvements in or relating to cathode ray apparatus

Publications (1)

Publication Number Publication Date
BE393490A true BE393490A (en)

Family

ID=9744947

Family Applications (1)

Application Number Title Priority Date Filing Date
BE393490D BE393490A (en) 1932-01-29

Country Status (4)

Country Link
US (1) US1973606A (en)
BE (1) BE393490A (en)
FR (1) FR749130A (en)
GB (1) GB396422A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467506A (en) * 1944-08-04 1949-04-19 Farnsworth Res Corp Electron gun

Also Published As

Publication number Publication date
GB396422A (en) 1933-07-31
FR749130A (en) 1933-07-18
US1973606A (en) 1934-09-11

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