Cathode ray tube for displaying coloured pictures

Details Cathode ray tube for displaying coloured pictures Cathode ray tube for displaying coloured pictures

H - Electricity

01

J

313/35.13

H01J 29/62 (2006.01) H01J 29/81 (2006.01) H01J 31/20 (2006.01)

Patent

CA 1042059

ABSTRACT: A post-focusing type cathode ray tube for displaying coloured pictures. A quadrupole lens is formed in each aperture of the colour selection means. The defocusing direction of the quadrupole lenses is parallel to the phosphor strips of the display screen. - 15 -

231143

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