FR57909E - Improvements in the manufacture of cathode ray tubes - Google Patents

Improvements in the manufacture of cathode ray tubes

Info

Publication number
FR57909E
FR57909E FR57909DA FR57909E FR 57909 E FR57909 E FR 57909E FR 57909D A FR57909D A FR 57909DA FR 57909 E FR57909 E FR 57909E
Authority
FR
France
Prior art keywords
manufacture
cathode ray
ray tubes
tubes
cathode
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.)
ANONIMA FABBRICAZIONE APPARECC
Original Assignee
ANONIMA FABBRICAZIONE APPARECC
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 ANONIMA FABBRICAZIONE APPARECC filed Critical ANONIMA FABBRICAZIONE APPARECC
Application granted granted Critical
Publication of FR57909E publication Critical patent/FR57909E/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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
FR57909D 1947-12-11 1947-12-11 Improvements in the manufacture of cathode ray tubes Expired FR57909E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57909T 1947-12-11

Publications (1)

Publication Number Publication Date
FR57909E true FR57909E (en) 1953-09-18

Family

ID=8691876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57909D Expired FR57909E (en) 1947-12-11 1947-12-11 Improvements in the manufacture of cathode ray tubes

Country Status (1)

Country Link
FR (1) FR57909E (en)

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