Deflection distortion correction device

Details Deflection distortion correction device Deflection distortion correction device

H - Electricity

01

J

313/35.1201

H01J 29/76 (2006.01) H04N 3/23 (2006.01)

Patent

CA 1269694

ABSTRACT OF THE DISCLOSURE A deflection yoke field modifying device corrects N-S pincushion distortion without increasing A-zone convergence errors. The device may be of the form of a ferrite ring which is located near the electron beam exit end of the deflection yoke. The ring may be mounted on the yoke insulator. The ring shunts flux from the vertical deflection field in order to provide the desired N-S pincushion correction.

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