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
  • H01J29/48—Electron guns
  • H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission

Applications Claiming Priority (1)

Publications (1)

Family

ID=5840104

Family Applications (1)

Country Status (3)

Families Citing this family (1)

• 0
  • BE BE443460D patent/BE443460A/xx unknown
• 1941
  • 1941-11-05 CH CH221451D patent/CH221451A/de unknown
  • 1941-11-19 FR FR877099D patent/FR877099A/fr not_active Expired

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