FR49667E - écran fluorescent - Google Patents

écran fluorescent

Info

Publication number
FR49667E
FR49667E FR49667DA FR49667E FR 49667 E FR49667 E FR 49667E FR 49667D A FR49667D A FR 49667DA FR 49667 E FR49667 E FR 49667E
Authority
FR
France
Prior art keywords
fluorescent screen
fluorescent
screen
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
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
Application granted granted Critical
Publication of FR49667E publication Critical patent/FR49667E/fr
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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/28—Luminescent screens with protective, conductive or reflective layers
FR49667D 1938-08-05 1938-08-05 écran fluorescent Expired FR49667E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49667T 1938-08-05

Publications (1)

Publication Number Publication Date
FR49667E true FR49667E (fr) 1939-05-30

Family

ID=8684796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49667D Expired FR49667E (fr) 1938-08-05 1938-08-05 écran fluorescent

Country Status (1)

Country Link
FR (1) FR49667E (fr)

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