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
  • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
• • 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
  • 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=6484392

Family Applications (1)

Country Status (5)

• 0
  • BE BE400494D patent/BE400494A/xx unknown
  • NL NL48513D patent/NL48513C/xx active
• 1933
  • 1933-12-18 AT AT142068D patent/AT142068B/de active
  • 1933-12-21 FR FR765878D patent/FR765878A/fr not_active Expired
  • 1933-12-27 GB GB36361/33A patent/GB431057A/en not_active Expired

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