FR1153828A - Electronic lens - Google Patents

Electronic lens

Info

Publication number
FR1153828A
FR1153828A FR1153828DA FR1153828A FR 1153828 A FR1153828 A FR 1153828A FR 1153828D A FR1153828D A FR 1153828DA FR 1153828 A FR1153828 A FR 1153828A
Authority
FR
France
Prior art keywords
electronic lens
lens
electronic
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of FR1153828A publication Critical patent/FR1153828A/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
    • H01J29/60—Mirrors
FR1153828D 1955-06-20 1956-06-18 Electronic lens Expired FR1153828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1781855A GB824648A (en) 1955-06-20 1955-06-20 Improvements in or relating to electron-optical systems

Publications (1)

Publication Number Publication Date
FR1153828A true FR1153828A (en) 1958-03-21

Family

ID=10101759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153828D Expired FR1153828A (en) 1955-06-20 1956-06-18 Electronic lens

Country Status (2)

Country Link
FR (1) FR1153828A (en)
GB (1) GB824648A (en)

Also Published As

Publication number Publication date
GB824648A (en) 1959-12-02

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