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BE430426A - - Google Patents

Info

Publication number
BE430426A
BE430426A BE430426DA BE430426A BE 430426 A BE430426 A BE 430426A BE 430426D A BE430426D A BE 430426DA BE 430426 A BE430426 A BE 430426A
Authority
BE
Belgium
Prior art keywords
anode
cathode
fluorescent
emi
tube
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE430426A publication Critical patent/BE430426A/fr

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

Landscapes

  • Discharge Lamp (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
BE430426D 1937-09-29 BE430426A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US166251A US2122268A (en) 1937-09-29 1937-09-29 Tuning indicator tube

Publications (1)

Publication Number Publication Date
BE430426A true BE430426A (xx)

Family

ID=22602478

Family Applications (1)

Application Number Title Priority Date Filing Date
BE430426D BE430426A (xx) 1937-09-29

Country Status (5)

Country Link
US (1) US2122268A (xx)
BE (1) BE430426A (xx)
CH (1) CH206305A (xx)
FR (1) FR843439A (xx)
NL (1) NL54648C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749825C (de) * 1937-09-30 1944-12-06 Rca Corp Spannungsanzeigeroehre, insbesondere Abstimmanzeigeroehre
DE874345C (de) * 1940-04-11 1953-04-23 Telefunken Gmbh Abstimmungsanzeigeroehre
BE501567A (xx) * 1940-07-23
US2425877A (en) * 1944-06-24 1947-08-19 John H Homrighous Glow and slow acting tube
BE519456A (xx) * 1952-04-26

Also Published As

Publication number Publication date
CH206305A (de) 1939-07-31
NL54648C (xx)
US2122268A (en) 1938-06-28
FR843439A (fr) 1939-07-03

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