Deflection yoke apparatus

Details Deflection yoke apparatus Deflection yoke apparatus

1994-05-02

1995-01-03

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313430, 335210, H01J 2970

Patent

active

053789610

ABSTRACT:
A pair of saddle type horizontal deflection coils are provided at those upper and lower places on the inner wall of the coil separator. Vertical deflection coils toroidally wound on a core are provided on the outer periphery of the coil separator. Neck-side magnetic pieces are provided at those upper and lower sides of the neck-side area between the coil separator on one hand and the vertical deflection coils on the other hand. A pair of magnetic pieces, right and left, are provided, as a pair of crossarms, on the coil separator at a front-side section. In a deflection yoke apparatus thus provided, magnetic field creation areas at the crossarms are provided mainly on a Y axis side and four permanent magnets are provided on the front-side flange section of the coil separator at an angle of about 10.degree. relative to an X axis so that these permanent magnets are magnetized substantially in a tube direction of a CRT.

REFERENCES:
patent: 4636684 (1987-01-01), Yokota et al.
patent: 4939415 (1990-07-01), Iwasaki et al.
patent: 5099169 (1992-03-01), Vriens

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