Patent ID: 6072379
Filing Date: 2000-06-06
Classification: H01J

Abstract:
A video display deflection apparatus, comprising:a saddle shaped, horizontal deflection coil for producing a deflection field to scan an electron beam along a horizontal axis of a display screen of a cathode ray tube, said horizontal deflection coil including a plurality of winding turns forming a pair of side portions, a front end portion, close to said screen, and a rear end portion, close to an electron gun of said tube, said side portions forming a winding window free of conductor wires between said side portions, said winding window having a first end portion established by said rear end turn portion and a second end portion established by said front end turn portion, at least one of said side portions having first, second and third winding spaces for correcting beam landing error, each of said spaces extending to a first longitudinal coordinate along an axis perpendicular to said horizontal axis and to a vertical axis of said display screen, said first longitudinal coordinate being closer to said electron gun than a longitudinal coordinate of said first end portion;a vertical deflection coil for scanning said electron beam along said vertical axis of said screen to form a raster; anda magnetically permeable core for cooperating with said horizontal and vertical deflection coils to form a deflection yoke.