Deflection yoke providing improved image quality

Details Deflection yoke providing improved image quality Deflection yoke providing improved image quality

1998-02-23

1999-12-28

Day, Michael

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313426, 335213, H01J 2976

Patent

active

060085746

ABSTRACT:
A deflection yoke including a saddle shaped horizontal deflection coil, a saddle shaped vertical deflection coil located outside the saddle shaped horizontal deflection coil, and a core located outside the saddle shaped vertical deflection coil, wherein the screen side flange portion (66) of the saddle shaped horizontal deflection coil has a contour (63) of a smoothly curved line and the ratio (r=c/d) of the maximum width (c) to the maximum height (d) for the flange portion (66) is in the range of from 2.2 to 3.5. The present deflection yoke provides improved image quality.

REFERENCES:
patent: 3027500 (1962-03-01), Smith
patent: 3488541 (1970-01-01), Barbin
patent: 3895329 (1975-07-01), Logan et al.
patent: 4143346 (1979-03-01), Borkar et al.
patent: 4229720 (1980-10-01), Heijnemans et al.
patent: 4233582 (1980-11-01), Abe et al.
patent: 4755714 (1988-07-01), Sluyterman
patent: 5077533 (1991-12-01), Klingelhofer
patent: 5408163 (1995-04-01), Milili et al.
Dec. 21, 1995, Communication from European Patent Office and attached Search Report.

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