Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J17/00—Gas-filled discharge tubes with solid cathode
  • H01J17/50—Thermionic-cathode tubes
  • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
  • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J17/00—Gas-filled discharge tubes with solid cathode
  • H01J17/02—Details
  • H01J17/04—Electrodes; Screens
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
  • H01J5/32—Seals for leading-in conductors
  • H01J5/40—End-disc seals, e.g. flat header
  • H01J5/42—End-disc seals, e.g. flat header using intermediate part
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J2893/00—Discharge tubes and lamps
  • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
  • H01J2893/0034—Lamp bases

Applications Claiming Priority (1)

Publications (1)

Family

ID=19780145

Family Applications (1)

Country Status (6)

Families Citing this family (3)

• 0
  • NL NL61140D patent/NL61140C/xx active
  • BE BE447607D patent/BE447607A/xx unknown
• 1942
  • 1942-10-15 CH CH233965D patent/CH233965A/de unknown
  • 1942-10-16 FR FR886842D patent/FR886842A/fr not_active Expired
• 1946
  • 1946-03-22 GB GB8924/46A patent/GB623012A/en not_active Expired
• 1947
  • 1947-02-27 US US731289A patent/US2452861A/en not_active Expired - Lifetime

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