FR943129A - Perfectionnement aux tubes cathodiques - Google Patents

Perfectionnement aux tubes cathodiques

Info

Publication number
FR943129A
FR943129A FR943129DA FR943129A FR 943129 A FR943129 A FR 943129A FR 943129D A FR943129D A FR 943129DA FR 943129 A FR943129 A FR 943129A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
further training
training
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
English (en)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR943129A publication Critical patent/FR943129A/fr
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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
FR943129D 1947-02-25 1947-02-25 Perfectionnement aux tubes cathodiques Expired FR943129A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943129T 1947-02-25

Publications (1)

Publication Number Publication Date
FR943129A true FR943129A (fr) 1949-02-28

Family

ID=9471144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943129D Expired FR943129A (fr) 1947-02-25 1947-02-25 Perfectionnement aux tubes cathodiques

Country Status (1)

Country Link
FR (1) FR943129A (fr)

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