PROBLEM TO BE SOLVED: To provide a magnetic warming device capable of local warming using nonlinear responsiveness to an external magnetic field of magnetic particles.SOLUTION: This magnetic warming device for magnetically warming a zero region of a magnetic field, includes a magnetic field generating means for generating a magnetic field to create a zero region of the magnetic field, and a magnetization change means for applying an alternate current magnetic field to a predetermined region including the zero region of the magnetic field and changing the magnetization of the magnetic particles contained in the zero region of the magnetic field. Furthermore, the magnetic field generating means can restrict the magnetization change of the magnetic particles contained outside the zero region of the magnetic field among the predetermined regions. In addition, the magnetic warming device may include a control means for controlling electric current supply to the magnetic field generating means so that the physical quantity of the zero region of the magnetic field is changed.COPYRIGHT: (C)2013,JPO&INPIT【課題】磁性体粒子の外部磁場に対する非線形応答性を利用した局所加温可能な磁気加温装置を提供すること。【解決手段】本発明の磁気加温装置は、ゼロ磁場領域を磁気加温する磁気加温装置であって、前記ゼロ磁場領域を生成するように磁場を発生する磁場発生手段と、前記ゼロ磁場領域を含む所定領域に交流磁場を印加し、前記ゼロ磁場領域に含まれる磁性体粒子の磁化を変化させる磁化変化手段とを備える。さらに、前記磁場発生手段は、前記所定領域のうち、前記ゼロ磁場領域外に含まれる磁性体粒子の磁化変化を制限し得る。更に、前記ゼロ磁場領域の物理量が変化するように前記磁場発生手段への電流供給を制御する制御手段を備え得る。【選択図】 図1
