JPH0291139U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a configuration diagram of main parts showing an embodiment of the deflection yoke according to the present invention, Fig. 2 is a distribution diagram of the vertical deflection magnetic field in the embodiment, and Fig. 3 is an explanation of Seagull distortion correction in the device of the embodiment. Figure 4 shows the Seagull distortion correction effect in this embodiment, Figure 4a is a pattern diagram of Seagull distortion on a TV screen that appears in the conventional device, and Figure 4b shows the Seagull distortion pattern in the device of this embodiment. Therefore, FIG. 5 is a pattern diagram of green G in which Seagull distortion has been eliminated, and FIG.
Figure a is a diagram of the inversion pattern of cross misconvergence PQV that appears in the conventional device, Figure 5b is a diagram of the blue B and red R patterns in which the inversion pattern is eliminated by the device of this embodiment, and Figure 6 is An example of eliminating the reversal pattern of misconvergence YH in this embodiment is shown. FIG. A simple pattern diagram of misconvergence YH in which the above-mentioned inversion pattern has been eliminated, FIG. 7 shows the overall improvement effect of misconvergence between blue B and red R, and FIG. 7a shows the pattern that appears in the conventional device. Reversal pattern diagrams of various types of complicated misconvergence; Figure 7b is a diagram of various types of misconvergence patterns without reversal patterns simplified by the device of this embodiment; Figure 8 is used for conventional deflection yokes. Fig. 9 is a distribution diagram of a general vertical deflection magnetic field generated in the vertical deflection coil of Fig. 8, and Fig. 10 is a diagram of the conventional vertical deflection magnetic field. FIG. 3 is an explanatory diagram of seagull distortion occurring in the device. 1... Core, 2a, 2b, 2c, 2d... Tightly wound portion, 3, 3a, 3b, 3c... Loosely wound portion.

Claims (1)

[Scope of utility model registration request] A deflection yoke in which a lever-shaped horizontal deflection coil is wound on the top side and the bottom side along the inner peripheral surface of the core, and a vertical deflection coil is toroidally wound around the core on the top side and the bottom side, The vertical deflection coils on the top side and the bottom side each have seven sections in order from one end of the coil winding area to the other end: tightly wound, loosely wound, tightly wound, loosely wound, tightly wound, loosely wound, and tightly wound. A deflection yoke characterized by being wound with a coil in a sparse and dense configuration.