GB390405A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB390405A
GB390405A GB24002/32A GB2400232A GB390405A GB 390405 A GB390405 A GB 390405A GB 24002/32 A GB24002/32 A GB 24002/32A GB 2400232 A GB2400232 A GB 2400232A GB 390405 A GB390405 A GB 390405A
Authority
GB
United Kingdom
Prior art keywords
heater
rod
cathode
vanes
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB24002/32A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB390405A publication Critical patent/GB390405A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Lasers (AREA)
  • Solid Thermionic Cathode (AREA)
GB24002/32A 1931-08-27 1932-08-27 Improvements in and relating to electric discharge devices Expired GB390405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US559753A US1942080A (en) 1931-08-27 1931-08-27 Heater for indirectly heated cathodes

Publications (1)

Publication Number Publication Date
GB390405A true GB390405A (en) 1933-04-06

Family

ID=24234877

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24002/32A Expired GB390405A (en) 1931-08-27 1932-08-27 Improvements in and relating to electric discharge devices

Country Status (3)

Country Link
US (1) US1942080A (fr)
FR (1) FR42178E (fr)
GB (1) GB390405A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444072A (en) * 1942-10-08 1948-06-29 Raytheon Mfg Co Gaseous electrical space discharge devices and circuits therefor
US2514165A (en) * 1942-11-23 1950-07-04 M O Valve Co Ltd Thermionic gas-filled rectifier
US2424293A (en) * 1944-03-09 1947-07-22 Westinghouse Electric Corp Thermionic cathode construction
US2436907A (en) * 1945-06-23 1948-03-02 Nasa Indirectly heated cathode
US2653268A (en) * 1950-05-01 1953-09-22 Beverly D Kumpfer Directly heated cathode structure
US3295090A (en) * 1962-02-26 1966-12-27 Dale Electronics Electrical resistor having a core element with high heat dissipating properties
US3248680A (en) * 1962-12-11 1966-04-26 Ward Leonard Electric Co Resistor
US3265920A (en) * 1964-06-22 1966-08-09 Rauland Corp Electron-discharge device cathode assembly with radiation shield

Also Published As

Publication number Publication date
FR42178E (fr) 1933-05-31
US1942080A (en) 1934-01-02

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