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=5853841

Family Applications (1)

Country Status (3)

• 0
  • BE BE443459D patent/BE443459A/xx unknown
• 1941
  • 1941-11-05 CH CH224055D patent/CH224055A/de unknown
  • 1941-11-19 FR FR877098D patent/FR877098A/fr not_active Expired

Also Published As

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