BE455669A - - Google Patents

Info

Publication number
BE455669A
BE455669A BE455669DA BE455669A BE 455669 A BE455669 A BE 455669A BE 455669D A BE455669D A BE 455669DA BE 455669 A BE455669 A BE 455669A
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 BE455669A publication Critical patent/BE455669A/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/60—Mirrors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/10—Preparation of the ground
    • E21D1/16—Preparation of the ground by petrification
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Transforming Electric Information Into Light Information (AREA)
BE455669D 1943-05-07 BE455669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL240902X 1943-05-07

Publications (1)

Publication Number Publication Date
BE455669A true BE455669A (en)

Family

ID=19780533

Family Applications (1)

Application Number Title Priority Date Filing Date
BE455669D BE455669A (en) 1943-05-07

Country Status (6)

Country Link
BE (1) BE455669A (en)
CH (1) CH240902A (en)
DE (1) DE852424C (en)
FR (1) FR904112A (en)
GB (1) GB669383A (en)
NL (1) NL72026C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217505B (en) * 1960-02-15 1966-05-26 Telefunken Patent Electron beam tube with a large fluorescent screen and an electron mirror arrangement

Also Published As

Publication number Publication date
GB669383A (en) 1952-04-02
CH240902A (en) 1946-01-31
NL72026C (en)
FR904112A (en) 1945-10-26
DE852424C (en) 1952-10-16

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