BE429825A - - Google Patents

Info

Publication number
BE429825A
BE429825A BE429825DA BE429825A BE 429825 A BE429825 A BE 429825A BE 429825D A BE429825D A BE 429825DA BE 429825 A BE429825 A BE 429825A
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 BE429825A publication Critical patent/BE429825A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/14—Magic-eye or analogous tuning indicators
BE429825D 1937-08-25 BE429825A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23298/37A GB495732A (en) 1937-08-25 1937-08-25 Improvements in or relating to cathode ray tuning indicators

Publications (1)

Publication Number Publication Date
BE429825A true BE429825A (ko)

Family

ID=10193366

Family Applications (1)

Application Number Title Priority Date Filing Date
BE429825D BE429825A (ko) 1937-08-25

Country Status (3)

Country Link
BE (1) BE429825A (ko)
FR (1) FR842452A (ko)
GB (1) GB495732A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465041A (en) * 1942-12-12 1949-03-22 Svenska Elektronror Ab Electron discharge device
US2486814A (en) * 1944-10-07 1949-11-01 Gen Electric Electric discharge device of the indicator type
DE975723C (de) * 1951-12-06 1962-06-28 Telefunken Patent Schaltung zur Abstimmungsanzeige
US3065368A (en) * 1957-12-27 1962-11-20 Westinghouse Electric Corp Cathode ray device

Also Published As

Publication number Publication date
FR842452A (fr) 1939-06-13
GB495732A (en) 1938-11-18

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