FR1116141A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR1116141A
FR1116141A FR1116141DA FR1116141A FR 1116141 A FR1116141 A FR 1116141A FR 1116141D A FR1116141D A FR 1116141DA FR 1116141 A FR1116141 A FR 1116141A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
tubes
cathode
ray
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1116141A publication Critical patent/FR1116141A/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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
FR1116141D 1953-08-31 1954-08-30 Improvements to cathode ray tubes Expired FR1116141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1116141X 1953-08-31

Publications (1)

Publication Number Publication Date
FR1116141A true FR1116141A (en) 1956-05-04

Family

ID=19869517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116141D Expired FR1116141A (en) 1953-08-31 1954-08-30 Improvements to cathode ray tubes

Country Status (2)

Country Link
FR (1) FR1116141A (en)
NL (1) NL181000B (en)

Also Published As

Publication number Publication date
NL181000B (en)

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