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CH240902A - Electric discharge tube with an electron mirror. - Google Patents

Electric discharge tube with an electron mirror.

Info

Publication number
CH240902A
CH240902A CH240902DA CH240902A CH 240902 A CH240902 A CH 240902A CH 240902D A CH240902D A CH 240902DA CH 240902 A CH240902 A CH 240902A
Authority
CH
Switzerland
Prior art keywords
electric discharge
discharge tube
electron mirror
mirror
electron
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of CH240902A publication Critical patent/CH240902A/en

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)
CH240902D 1943-05-07 1944-05-05 Electric discharge tube with an electron mirror. CH240902A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH240902A true CH240902A (en) 1946-01-31

Family

ID=19780533

Family Applications (1)

Application Number Title Priority Date Filing Date
CH240902D CH240902A (en) 1943-05-07 1944-05-05 Electric discharge tube with an electron mirror.

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
BE455669A (en)
FR904112A (en) 1945-10-26
DE852424C (en) 1952-10-16
NL72026C (en)
GB669383A (en) 1952-04-02

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