GB164175A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number
GB164175A
GB164175A GB824920A GB824920A GB164175A GB 164175 A GB164175 A GB 164175A GB 824920 A GB824920 A GB 824920A GB 824920 A GB824920 A GB 824920A GB 164175 A GB164175 A GB 164175A
Authority
GB
United Kingdom
Prior art keywords
filament
cap
caps
control electrodes
relating
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
GB824920A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB824920A priority Critical patent/GB164175A/en
Publication of GB164175A publication Critical patent/GB164175A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

164,175. General Electric Co., Ltd., Gossling, B. S., and Bartlett, A. C. March 19, 1920. Vacuum tubes. - The space current emanating from different sections of a thermionic valve filament to the usual electrodes is modified bv control electrodes. In the three - electrode valve shown, the control electrodes are in the form of cylindrical caps g<1>, g<2>, of sheet metal surrounding the ends of the filament a, and supported by metal strips h<1>, h<2> on the filament leading-in wires b<1>, b<2>, so that the caps are maintained at the same potentials as the ends of the filament. The cap at the positive end of the filament causes this section to saturate earlier, and the cap at the negative end retards saturation, and reduces the current in the grid circuit. A cylindrical anode c and a helical grid e are mounted around the middle portion of the filament.
GB824920A 1920-03-19 1920-03-19 Improvements in or relating to electron discharge devices Expired GB164175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB824920A GB164175A (en) 1920-03-19 1920-03-19 Improvements in or relating to electron discharge devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB824920A GB164175A (en) 1920-03-19 1920-03-19 Improvements in or relating to electron discharge devices

Publications (1)

Publication Number Publication Date
GB164175A true GB164175A (en) 1921-06-09

Family

ID=9848864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB824920A Expired GB164175A (en) 1920-03-19 1920-03-19 Improvements in or relating to electron discharge devices

Country Status (1)

Country Link
GB (1) GB164175A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416315A (en) * 1942-06-04 1947-02-25 Bell Telephone Labor Inc Electron discharge device
EP0088603A1 (en) * 1982-03-08 1983-09-14 Exxon Research And Engineering Company Process for solvent dewaxing hydrocarbon oil using methyl tertiary butyl ether

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416315A (en) * 1942-06-04 1947-02-25 Bell Telephone Labor Inc Electron discharge device
EP0088603A1 (en) * 1982-03-08 1983-09-14 Exxon Research And Engineering Company Process for solvent dewaxing hydrocarbon oil using methyl tertiary butyl ether

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