Self converging, north/south pin cushion corrected hybrid yoke

Details Self converging, north/south pin cushion corrected hybrid yoke Self converging, north/south pin cushion corrected hybrid yoke

1977-07-26

1979-03-06

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 700

Patent

active

041433467

ABSTRACT:
A deflection yoke for a television picture tube having coplanar in-line electron guns includes vertical and horizontal coil windings selected for providing self-convergence and north/south pin cushion correction. The desired characteristics are achieved by winding the vertical coil for converging the electron beams along the vertical axis of the picture tube viewing screen and by winding the horizontal coil in a saddle configuration wherein an aperture devoid of wire turns is provided in the front end of the horizontal coil facilitating the achievement of a high third harmonic content winding distribution simultaneously with a comparatively high fifth harmonic content winding distribution.

REFERENCES:
patent: 4039987 (1977-08-01), Talsma
patent: 4039988 (1977-08-01), Clemens
patent: 4039989 (1977-08-01), Staal et al.

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