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
  • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
  • H01J31/201—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
  • H01J31/203—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam
  • H01J31/205—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam with three electron beams in delta configuration
• • 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
  • H01J29/48—Electron guns
  • H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
• • 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
  • H01J29/62—Electrostatic lenses

Applications Claiming Priority (1)

Publications (1)

Family

ID=23878637

Family Applications (2)

Family Applications After (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (14)

• 0
  • NL NL94232D patent/NL94232C/xx active
  • NL NL202514D patent/NL202514A/xx unknown
  • BE BE543332D patent/BE543332A/xx unknown
• 1954
  • 1954-12-06 US US473213A patent/US3024380A/en not_active Expired - Lifetime
• 1955
  • 1955-12-02 GB GB34635/55A patent/GB799533A/en not_active Expired
  • 1955-12-05 DE DES46598A patent/DE1124160B/de active Pending
  • 1955-12-06 FR FR1139940D patent/FR1139940A/fr not_active Expired

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