FR847410A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR847410A
FR847410A FR847410DA FR847410A FR 847410 A FR847410 A FR 847410A FR 847410D A FR847410D A FR 847410DA FR 847410 A FR847410 A FR 847410A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR847410A publication Critical patent/FR847410A/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
FR847410D 1938-12-17 1938-12-12 Improvements to cathode ray tubes Expired FR847410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB847410X 1938-12-17

Publications (1)

Publication Number Publication Date
FR847410A true FR847410A (en) 1939-10-10

Family

ID=10572136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847410D Expired FR847410A (en) 1938-12-17 1938-12-12 Improvements to cathode ray tubes

Country Status (1)

Country Link
FR (1) FR847410A (en)

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