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Medium provided with magnetic body and magnetic body sensing device
Medium provided with magnetic body and magnetic body sensing device
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机译:具有磁性体的介质和磁性体感测装置
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摘要
A medium comprises a magnetic body which generates a signal when a magnetic field is applied thereto, wherein the magnetic body has two or more easy magnetization directions and the magnetic body forms information that identifies the medium based on the signal generated when the magnetic field is applied to the magnetic body.
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