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Cathode Ray Tube Color Convergence Assembly

IP.com Disclosure Number: IPCOM000052426D
Original Publication Date: 1981-Jun-01
Included in the Prior Art Database: 2005-Feb-11

Publishing Venue

IBM

Related People

Authors:
Beeteson, JS Lovatt, M Morrish, AJ Sowter, BR Van Den Oever, WE [+details]

Abstract

A radial convergence assembly for a delta gun color cathode ray tube (CRT) is shown in the figure. The assembly consists of a pair of ferrite pole pieces 1. Each ferrite pole piece has a coil 2 which can be energized by AC currents to achieve dynamic convergence. The pole pieces 1 are separated by a magnet 3 and air gap 4. The magnet 3 is rotatable to set the static convergence condition. A spring clamp 5 holds the assembly together.