<；P>；PROBLEM TO BE SOLVED: To provide a humidifier capable of keeping humidifying performance over a long period without blowoff of microorganisms or inorganic ions. <；P>；SOLUTION: A magnetic body 15 and a heating means 16 generating high frequency magnetic field from the circumference to heat the magnetic body are provided in a passage 14 of water particles 13 generated by an ultrasonic oscillator 12 that is a means atomizing water, whereby sterilization is performed. Further, a filter 17 is arranged in the latter stage of the magnetic body 15 to filter and capture impurity such sterilized bacteria or inorganic ions in city water. <；P>；COPYRIGHT: (C)2007,JPO&INPIT
