Cathode ray tube (CRT)

Cathode ray tube (CRT)

A Cathode Ray Tube (CRT) includes a panel having long and short axes and a tube axis perpendicular to the long and short axes, the panel including an inner phosphor screen. A funnel is attached to the panel, the funnel including a cone having a deflection unit arranged on an outer circumference ther...

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Hauptverfasser: KIM HOO-DEUK, KIM MUN-SEONG
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator KIM HOO-DEUK
KIM MUN-SEONG
description A Cathode Ray Tube (CRT) includes a panel having long and short axes and a tube axis perpendicular to the long and short axes, the panel including an inner phosphor screen. A funnel is attached to the panel, the funnel including a cone having a deflection unit arranged on an outer circumference thereof. A neck is attached to the funnel and has an electron gun arranged therein. The cone has a cross-section taken perpendicular to the tube axis with a shape varied from a circle to a non-circle having a maximum diameter in the directions except for the directions of the long and the short axes of the panel while proceeding from the neck to the panel, and with the cross-section of the cone on the tube axis by a point thereof, the inner and the outer surfaces of the cone in the directions of the long and the short axes are convex toward the tube axis.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title Cathode ray tube (CRT)
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