FR864608A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR864608A
FR864608A FR864608DA FR864608A FR 864608 A FR864608 A FR 864608A FR 864608D A FR864608D A FR 864608DA FR 864608 A FR864608 A FR 864608A
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR864608A publication Critical patent/FR864608A/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
FR864608D 1939-04-18 1940-04-02 Improvements to cathode ray tubes Expired FR864608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1165839A GB527980A (en) 1939-04-18 1939-04-18 Improvements in or relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
FR864608A true FR864608A (en) 1941-05-01

Family

ID=9990288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864608D Expired FR864608A (en) 1939-04-18 1940-04-02 Improvements to cathode ray tubes

Country Status (2)

Country Link
FR (1) FR864608A (en)
GB (1) GB527980A (en)

Also Published As

Publication number Publication date
GB527980A (en) 1940-10-21

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