COMPLESSO DI REGOLAZIONE DELLA CONVERGENZA UTILIZZANTE BARRETTE MAGNETICHE SUSCETTIBILI DI MOVIMENTI DIFFERENZIALI
If the self-converging deflection yoke assembly in an in-line colour television tube is displaced vertically to achieve minimum raster distortion, the resulting small convergence error may be eliminated by the provision of diametrically opposed first and second magnetically permeable tabs 440a, b fi...
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Format: | Patent |
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Zusammenfassung: | If the self-converging deflection yoke assembly in an in-line colour television tube is displaced vertically to achieve minimum raster distortion, the resulting small convergence error may be eliminated by the provision of diametrically opposed first and second magnetically permeable tabs 440a, b fixedly mounted with respect to one another for joint vertical adjustment e.g. by the engagement of the insertable gear 470 with the rack 456 formed on the tab support plate which is slidably mounted on the yoke support 426. A similar horizontally displaceable pair of tabs may additionally be employed. |
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