Gte Sylvania Incorporated

Raymond Goos

Johan Bekaert

In a self-converging inline cathode ray tube assembly having a convergence electrode with a flat base and a central and two outer apertures formed for passage of electron beams, a pair of substantially flat sheets of ferromagnetic material having a substantially U-shaped configuration are disposed in mirror-image relationship intermediate the central aperture and each one of the outer apertures with the open portion of the U-shaped configuration directed toward the outer apertures whereby the deflection field of the electron beam passing through the central aperture is relatively strengthened and the deflection fields of the electron beams passing through the outer apertures are relatively weakened to provide an enhanced vertical and horizontal scanning raster for the cathode ray tube.

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Tienen, Belgium

Raymond Goos