FR858314A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR858314A
FR858314A FR858314DA FR858314A FR 858314 A FR858314 A FR 858314A FR 858314D A FR858314D A FR 858314DA FR 858314 A FR858314 A FR 858314A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co 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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR858314A publication Critical patent/FR858314A/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/78—Arrangements for deflecting ray or beam along a circle, spiral or rotating radial line, e.g. for radar display
FR858314D 1938-07-29 1939-07-27 Improvements to cathode ray tubes Expired FR858314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2268538A GB517579A (en) 1938-07-29 1938-07-29 Improvements in or relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
FR858314A true FR858314A (en) 1940-11-22

Family

ID=10183448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858314D Expired FR858314A (en) 1938-07-29 1939-07-27 Improvements to cathode ray tubes

Country Status (2)

Country Link
FR (1) FR858314A (en)
GB (1) GB517579A (en)

Also Published As

Publication number Publication date
GB517579A (en) 1940-02-02

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