| 摘要 |
PROBLEM TO BE SOLVED: To accurately and efficiently detect even a signal of extremely low intensity such as geomagnetism by performing signal processing mutually using outputs obtained from sensors, in a sensor module having a plurality of sensors such as a magnetometric sensor and a motion sensor. SOLUTION: An arithmetic processor 13 determines the variation of detection acceleration by an acceleration sensor 12, and a determination device 14 compares the magnitude of variation of the acceleration with data stored in memory 15. As a result, when the variation of the acceleration is determined to be large, the number of integrations of the magnetometric sensor 11 is increased. When the variation of the acceleration is determined to be small, the number of integrations of the magnetometric sensor 11 is decreased. COPYRIGHT: (C)2008,JPO&INPIT
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