| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an induction heating roller device having almost symmetrical temperature distribution at both end parts of a heating roller to improve heating performance, and to provide an fixing device and an image forming device provided with this. <P>SOLUTION: This induction heating roller device is provided with the heating roller HR, a plurality of induction coils ICa, ICb, ICc, ICd distributedly arranged in an axial direction in the heating roller HR, and a high frequency power source HFS having a pair of output ends t1, t2 one of which has astable electric potential and the other has stable electric potential, connecting the output end t1 having the astable electric potential with one end located on an end part side of the heating roller HR to a pair of induction coils ICa, ICd arranged at the end sides of the heating roller HR, connecting the output end t2 having the stable electric potential with the other end located on a center side, and connecting a pair of the output ends t1, t2 with all of a plurality of the induction coils to provide high-frequency power to a plurality of the induction coils. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
