Color image display system having an improved external...

Details Color image display system having an improved external... Color image display system having an improved external...

H - Electricity

01

J

313/35.11

H01J 1/52 (2006.01) H01J 29/86 (2006.01)

Patent

CA 1219303

RCA 79,527 Abstract Of The Disclosure A color image display system includes a shadow mask type cathode-ray tube having a longitudinal axis, a panel, a funnel and a neck, with a deflection yoke assembly encircling adjoining segments of the neck and funnel. A plurality of neck components are disposed around the neck of the tube. In one embodiment, an external magnetic shield is disposed along opposite sides of the funnel and neck of the tube. The shield extends across the longitudinal axis behind the neck, for shunting magnetic fields from the tube while providing access to the deflection yoke assembly and the neck components. In a second embodiment, a second external magnetic shield is disposed orthogonally to the first-mentioned external shield and spaced therefrom.

476571

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