FR864666A - Enhancements to television reproducing cathode ray tubes - Google Patents

Enhancements to television reproducing cathode ray tubes

Info

Publication number
FR864666A
FR864666A FR864666DA FR864666A FR 864666 A FR864666 A FR 864666A FR 864666D A FR864666D A FR 864666DA FR 864666 A FR864666 A FR 864666A
Authority
FR
France
Prior art keywords
enhancements
cathode ray
ray tubes
television reproducing
reproducing 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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR864666A publication Critical patent/FR864666A/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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/14—Screens on or from which an image or pattern is formed, picked up, converted or stored acting by discoloration, e.g. halide screen
FR864666D 1939-02-23 1940-04-05 Enhancements to television reproducing cathode ray tubes Expired FR864666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB607939A GB525616A (en) 1939-02-23 1939-02-23 Improvements in or relating to television reproducing cathode ray tubes

Publications (1)

Publication Number Publication Date
FR864666A true FR864666A (en) 1941-05-02

Family

ID=9807990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864666D Expired FR864666A (en) 1939-02-23 1940-04-05 Enhancements to television reproducing cathode ray tubes

Country Status (2)

Country Link
FR (1) FR864666A (en)
GB (1) GB525616A (en)

Also Published As

Publication number Publication date
GB525616A (en) 1940-09-02

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