FR49710E - Improvements to television cathode ray tubes and more particularly to projection tubes - Google Patents

Improvements to television cathode ray tubes and more particularly to projection tubes

Info

Publication number
FR49710E
FR49710E FR49710DA FR49710E FR 49710 E FR49710 E FR 49710E FR 49710D A FR49710D A FR 49710DA FR 49710 E FR49710 E FR 49710E
Authority
FR
France
Prior art keywords
tubes
cathode ray
projection
television cathode
ray tubes
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)
Inventor
Pierre Marie Gabriel Toulon
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 filed Critical
Application granted granted Critical
Publication of FR49710E publication Critical patent/FR49710E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
FR49710D 1938-01-14 1938-01-14 Improvements to television cathode ray tubes and more particularly to projection tubes Expired FR49710E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49710T 1938-01-14

Publications (1)

Publication Number Publication Date
FR49710E true FR49710E (en) 1939-06-29

Family

ID=8684832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49710D Expired FR49710E (en) 1938-01-14 1938-01-14 Improvements to television cathode ray tubes and more particularly to projection tubes

Country Status (1)

Country Link
FR (1) FR49710E (en)

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