GB427609A - Improvements in electric discharge tubes - Google Patents

Improvements in electric discharge tubes

Info

Publication number
GB427609A
GB427609A GB29999/34A GB2999934A GB427609A GB 427609 A GB427609 A GB 427609A GB 29999/34 A GB29999/34 A GB 29999/34A GB 2999934 A GB2999934 A GB 2999934A GB 427609 A GB427609 A GB 427609A
Authority
GB
United Kingdom
Prior art keywords
cathode
current
emission
disc
increased
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
GB29999/34A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB427609A publication Critical patent/GB427609A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J17/06—Cathodes

Landscapes

  • Discharge Lamp (AREA)
  • Solid Thermionic Cathode (AREA)
GB29999/34A 1933-10-27 1934-10-19 Improvements in electric discharge tubes Expired GB427609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE427609X 1933-10-27

Publications (1)

Publication Number Publication Date
GB427609A true GB427609A (en) 1935-04-26

Family

ID=6477341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29999/34A Expired GB427609A (en) 1933-10-27 1934-10-19 Improvements in electric discharge tubes

Country Status (5)

Country Link
US (1) US2058690A (enrdf_load_stackoverflow)
BE (1) BE405876A (enrdf_load_stackoverflow)
FR (1) FR780201A (enrdf_load_stackoverflow)
GB (1) GB427609A (enrdf_load_stackoverflow)
NL (1) NL42085C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE405876A (enrdf_load_stackoverflow)
NL42085C (enrdf_load_stackoverflow)
US2058690A (en) 1936-10-27
FR780201A (fr) 1935-04-20

Similar Documents

Publication Publication Date Title
US1946288A (en) Electron discharge device
US3714486A (en) Field emission x-ray tube
US1618499A (en) Electrical apparatus
US2036069A (en) Electric switch
US2053879A (en) Discharge tube
GB427609A (en) Improvements in electric discharge tubes
GB543403A (en) Improvements in or relating to the manufacture of electron discharge devices
US1920649A (en) High amperage rectifier
US1965127A (en) Electrical discharge lamp
US2006466A (en) Mercury vapor lamp
US1751418A (en) Electron-discharge apparatus
US1211091A (en) Cathode-ray device.
US2306808A (en) Electric discharge device
JPH0567442A (ja) Ｘ線管
US1850957A (en) Rectifying system
US2242351A (en) Controllable electric discharge tube operating with alternating current
US1875002A (en) Discharge tube with glow cathode
US2112746A (en) X-ray tube
US2157924A (en) Electric discharge device
US2173023A (en) Mercury-cathode rectifier
US1856257A (en) Rectifier
US1749423A (en) A corpora
US2039908A (en) X-ray system
US2050383A (en) Electric discharge device
US2203482A (en) Gaseous conduction lamp