| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce noise and improve sensitivity of detection according to a measuring object of a magnetic sensor. <P>SOLUTION: A magnetic sensor control device includes: a magnetic sensor 20 having, as a detection unit, a cell 9 formed by connecting magnetic resistance element groups 8 in parallel, each of the magnetic resistance element groups 8 formed by connecting magnetic resistance elements 10 in parallel or series; and control means 41 that defines a magnetic field generation source detected by the magnetic sensor 20 as a current source, and based on frequency, intensity, and phase thereof, changes combination of the magnetic resistance element groups 8 and/or cells 9. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
