Color cathode ray tube gun having control grid of varying thickness

A shadow mask type color cathode ray tube fitted with an in-line type electron gun having a control grid of a quadrupole structure, wherein the control grid has an elongated rectangular hole having a horizontal diameter H and a vertical diameter V wherein the relationship expressed by 1<H/V<1....

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Bibliographic Details
Main Authors NATSUHARA; MASAO, ASHIZAKI; SHIGEYA, HAYASHI; AKIRA
Format Patent
LanguageEnglish
Published 07.07.1992
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:A shadow mask type color cathode ray tube fitted with an in-line type electron gun having a control grid of a quadrupole structure, wherein the control grid has an elongated rectangular hole having a horizontal diameter H and a vertical diameter V wherein the relationship expressed by 1<H/V<1.4 is established.
Bibliography:Application Number: US19900603457