COLOR PICTURE TUBE DEVICE

PROBLEM TO BE SOLVED: To provide a color picture tube device with a simple structure and equipped with a deflection yoke capable of adjusting winding distribution. SOLUTION: A plurality of protrusion parts 16 protruded to a tube axis side of a cathode-ray tube are formed on an inner surface of a ferrite core 10, along the inner surface of the ferrite core 10 in the tube axis direction. A screen surface side end part of the protrusion parts 16 is nearer to an electron gun side than an end part 12 of the screen surface side of the ferrite core 10, an end part 16b of the protrusion parts 16 at the electron gun side is nearer to the screen surface side than an end part 11 of the ferrite core 10 at the electron gun side. Projections 13, 14 protruded outside the ferrite core 10 are formed at the end part 12 of the screen surface side of the ferrite core 10 and the end part 11 of the electron gun side of the ferrite core 10, and a deflecting coil 8 is regulated of its position by the projections 13, 14 and the protrusion parts 16. COPYRIGHT: (C)2006,JPO&NCIPI