FR852622A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR852622A
FR852622A FR852622DA FR852622A FR 852622 A FR852622 A FR 852622A FR 852622D A FR852622D A FR 852622DA FR 852622 A FR852622 A FR 852622A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR852622A publication Critical patent/FR852622A/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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/24—Supports for luminescent material
FR852622D 1938-04-05 1939-04-05 Improvements to cathode ray tubes Expired FR852622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB852622X 1938-04-05

Publications (1)

Publication Number Publication Date
FR852622A true FR852622A (en) 1940-02-28

Family

ID=10587171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852622D Expired FR852622A (en) 1938-04-05 1939-04-05 Improvements to cathode ray tubes

Country Status (1)

Country Link
FR (1) FR852622A (en)

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