BE408788A - - Google Patents

Info

Publication number
BE408788A
BE408788A BE408788DA BE408788A BE 408788 A BE408788 A BE 408788A BE 408788D A BE408788D A BE 408788DA BE 408788 A BE408788 A BE 408788A
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 BE408788A publication Critical patent/BE408788A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/38Cold-cathode tubes
    • H01J17/48Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H01J17/49Display panels, e.g. with crossed electrodes, e.g. making use of direct current
    • H01J17/491Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters
BE408788D 1934-06-21 1935-04-03 BE408788A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1009734A GB424736A (en) 1934-06-21 1934-06-21 Improvements in and relating to luminous gas electric discharge tubes

Publications (1)

Publication Number Publication Date
BE408788A true BE408788A (no) 1935-05-31

Family

ID=9961421

Family Applications (1)

Application Number Title Priority Date Filing Date
BE408788D BE408788A (no) 1934-06-21 1935-04-03

Country Status (3)

Country Link
BE (1) BE408788A (no)
FR (1) FR788460A (no)
GB (1) GB424736A (no)

Also Published As

Publication number Publication date
FR788460A (fr) 1935-10-09
GB424736A (en) 1935-02-27

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