Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
  • H01J1/02—Main electrodes
  • H01J1/13—Solid thermionic cathodes
  • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
  • H01J1/22—Heaters

Applications Claiming Priority (1)

Publications (1)

Family

ID=19794213

Family Applications (1)

Country Status (12)

Families Citing this family (3)

Family Cites Families (2)

• 1965
  • 1965-09-23 NL NL6512348A patent/NL6512348A/xx unknown
• 1966
  • 1966-09-09 US US578143A patent/US3490944A/en not_active Expired - Lifetime
  • 1966-09-20 FI FI2466/66A patent/FI43089B/fi active
  • 1966-09-20 NO NO164799A patent/NO119366B/no unknown
  • 1966-09-20 GB GB41855/66A patent/GB1121035A/en not_active Expired
  • 1966-09-20 AT AT883466A patent/AT263156B/de active
  • 1966-09-20 CH CH1351766A patent/CH477085A/de not_active IP Right Cessation
  • 1966-09-20 DE DE1564448A patent/DE1564448C3/de not_active Expired
  • 1966-09-20 DK DK487566AA patent/DK118198B/da unknown
  • 1966-09-21 ES ES0331443A patent/ES331443A1/es not_active Expired
  • 1966-09-21 BE BE687198D patent/BE687198A/xx unknown
  • 1966-09-23 FR FR77436A patent/FR1501048A/fr not_active Expired

Also Published As

Similar Documents