FR1028249A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR1028249A
FR1028249A FR1028249DA FR1028249A FR 1028249 A FR1028249 A FR 1028249A FR 1028249D A FR1028249D A FR 1028249DA FR 1028249 A FR1028249 A FR 1028249A
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR1028249A publication Critical patent/FR1028249A/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
FR1028249D 1950-11-22 1950-11-22 Improvements to cathode ray tubes Expired FR1028249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1028249T 1950-11-22

Publications (1)

Publication Number Publication Date
FR1028249A true FR1028249A (en) 1953-05-20

Family

ID=9581129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1028249D Expired FR1028249A (en) 1950-11-22 1950-11-22 Improvements to cathode ray tubes

Country Status (1)

Country Link
FR (1) FR1028249A (en)

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