GB473173A - Improvements in or relating to cathode-ray tubes - Google Patents

Improvements in or relating to cathode-ray tubes

Info

Publication number
GB473173A
GB473173A GB1972/37A GB197237A GB473173A GB 473173 A GB473173 A GB 473173A GB 1972/37 A GB1972/37 A GB 1972/37A GB 197237 A GB197237 A GB 197237A GB 473173 A GB473173 A GB 473173A
Authority
GB
United Kingdom
Prior art keywords
cathode
ray tubes
relating
chrome
iron
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
GB1972/37A
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 GB473173A publication Critical patent/GB473173A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof

Landscapes

  • Luminescent Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

Cathode-ray tubes with luminescent screens of zinc silicate, cadmium tungstate, &c. have their electrodes made of chrome-iron or chrome-steel alloys. Specification 460,409 is referred to.
GB1972/37A 1936-01-25 1937-01-22 Improvements in or relating to cathode-ray tubes Expired GB473173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE473173X 1936-01-25

Publications (1)

Publication Number Publication Date
GB473173A true GB473173A (en) 1937-10-07

Family

ID=6541523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1972/37A Expired GB473173A (en) 1936-01-25 1937-01-22 Improvements in or relating to cathode-ray tubes

Country Status (2)

Country Link
FR (1) FR816756A (en)
GB (1) GB473173A (en)

Also Published As

Publication number Publication date
FR816756A (en) 1937-08-17

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