FR904112A - Electronic mirror discharge tube - Google Patents

Electronic mirror discharge tube

Info

Publication number
FR904112A
FR904112A FR904112DA FR904112A FR 904112 A FR904112 A FR 904112A FR 904112D A FR904112D A FR 904112DA FR 904112 A FR904112 A FR 904112A
Authority
FR
France
Prior art keywords
discharge tube
electronic mirror
mirror discharge
electronic
tube
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR904112A publication Critical patent/FR904112A/en
Expired legal-status Critical Current

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)
FR904112D 1943-05-07 1944-05-06 Electronic mirror discharge tube Expired FR904112A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR904112A true FR904112A (en) 1945-10-26

Family

ID=19780533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904112D Expired FR904112A (en) 1943-05-07 1944-05-06 Electronic mirror discharge tube

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
NL72026C (en)
GB669383A (en) 1952-04-02
BE455669A (en)
DE852424C (en) 1952-10-16
CH240902A (en) 1946-01-31

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