FR1085671A - Device for adjusting the concentration of an electron beam - Google Patents

Device for adjusting the concentration of an electron beam

Info

Publication number
FR1085671A
FR1085671A FR1085671DA FR1085671A FR 1085671 A FR1085671 A FR 1085671A FR 1085671D A FR1085671D A FR 1085671DA FR 1085671 A FR1085671 A FR 1085671A
Authority
FR
France
Prior art keywords
concentration
adjusting
electron beam
electron
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.)
PATHE MARCONI IND MUSIC
Original Assignee
PATHE MARCONI IND MUSIC
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 PATHE MARCONI IND MUSIC filed Critical PATHE MARCONI IND MUSIC
Application granted granted Critical
Publication of FR1085671A publication Critical patent/FR1085671A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only
FR1085671D 1953-10-27 1953-10-27 Device for adjusting the concentration of an electron beam Expired FR1085671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1085671T 1953-10-27

Publications (1)

Publication Number Publication Date
FR1085671A true FR1085671A (en) 1955-02-04

Family

ID=9612356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1085671D Expired FR1085671A (en) 1953-10-27 1953-10-27 Device for adjusting the concentration of an electron beam

Country Status (1)

Country Link
FR (1) FR1085671A (en)

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