H - Electricity – 01 – J
Patent
H - Electricity
01
J
316/11, 313/35.1
H01J 9/236 (2006.01) H01J 29/76 (2006.01) H01J 29/82 (2006.01)
Patent
CA 1163311
10-4-1979 1 PHN 9180 ABSTRACT: "Method of manufacturing a deflection unit for a colour television display tube, a deflection unit manufactured according to this method and a colour display tube 'having such a deflection unit". A deflection unit for a colour television display tube comprising line and frame deflection coils and a magnet core cooperating with said coilscan be manufactured by placing the deflection coils and the magnet core around the part of the transition neck-cone of` a colour display tube in such manner that the deflection coils engage or sub- stantially engage the tube, which display tube comprises an adjusted colour purity magnet, after which the tube is adjusted so as to be colour pure by moving the magnet core along the axis of the tube, after which, if desired, the magnet core is moved in known manner in a plane perpendicu- lar to the tube axis so as to remove convergence errors and the magnet core and the coils are then connected togeth- er to form a deflection unit.
330317
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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