GB386376A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB386376A
GB386376A GB28128/31A GB2812831A GB386376A GB 386376 A GB386376 A GB 386376A GB 28128/31 A GB28128/31 A GB 28128/31A GB 2812831 A GB2812831 A GB 2812831A GB 386376 A GB386376 A GB 386376A
Authority
GB
United Kingdom
Prior art keywords
heater
discs
casing
pinch
grid
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
GB28128/31A
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 GB386376A publication Critical patent/GB386376A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Plasma Technology (AREA)
GB28128/31A 1930-10-09 1931-10-09 Improvements in and relating to electric discharge devices Expired GB386376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487541A US1924375A (en) 1930-10-09 1930-10-09 Cathode structure for thermionic devices

Publications (1)

Publication Number Publication Date
GB386376A true GB386376A (en) 1933-01-19

Family

ID=23936153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28128/31A Expired GB386376A (en) 1930-10-09 1931-10-09 Improvements in and relating to electric discharge devices

Country Status (3)

Country Link
US (1) US1924375A (enrdf_load_stackoverflow)
GB (1) GB386376A (enrdf_load_stackoverflow)
NL (1) NL33389C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418117A (en) * 1944-05-29 1947-04-01 Bell Telephone Labor Inc Electron discharge device
US2513255A (en) * 1948-03-03 1950-06-27 Electrons Inc Grid control metal envelope gas tube
NL159006C (enrdf_load_stackoverflow) * 1950-02-15

Also Published As

Publication number Publication date
NL33389C (enrdf_load_stackoverflow)
US1924375A (en) 1933-08-29

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