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
  • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses

Applications Claiming Priority (1)

Publications (1)

Family

ID=9600824

Family Applications (1)

Country Status (2)

• 0
  • BE BE522660D patent/BE522660A/xx unknown
• 1952
  • 1952-09-09 FR FR1062820D patent/FR1062820A/fr not_active Expired

Also Published As

Similar Documents