Color cathode ray tube apparatus

Color cathode ray tube apparatus

A color cathode ray tube apparatus includes: a valve; a phosphor screen; an electron gun including an electron beam generating portion (17) for generating three electron beams, a focusing electrode (13), an anode electrode (12), a first field correction electrode (15) and a second field correction e...

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1. Verfasser: ISHIHARA TOMONARI,MORIMOTO HIROJI,NISHIYAMA KOJI,TAKEKAWA TSUTOMU,TOMOYASU HIROYUKI,UENO HIROFUMI,WADA YASUFUMI
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator ISHIHARA TOMONARI,MORIMOTO HIROJI,NISHIYAMA KOJI,TAKEKAWA TSUTOMU,TOMOYASU HIROYUKI,UENO HIROFUMI,WADA YASUFUMI
description A color cathode ray tube apparatus includes: a valve; a phosphor screen; an electron gun including an electron beam generating portion (17) for generating three electron beams, a focusing electrode (13), an anode electrode (12), a first field correction electrode (15) and a second field correction electrode (16); and a deflector for deflecting the electron beams emitted from the electron gun, wherein the focusing electrode (13), the first field correction electrode (15), the anode electrode (14) and the second field correction electrode (16) form an electron lens having a focusing force in a vertical direction, which is perpendicular to the horizontal direction, stronger than its focusing force in the horizontal direction inside the focusing electrode (13), and having a diverging force in the vertical direction greater than its diverging force in the horizontal direction inside the anode electrode (14), by applying a focus voltage to the focusing electrode (13) and the first field correction electrode (15) and applying an anode voltage higher than the focus voltage to the anode electrode (12) and the second field correction electrode (16).
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title Color cathode ray tube apparatus
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