发明名称 |
SENSOR MODULE, CORRECTION METHOD, PROGRAM, AND RECORDING MEDIUM |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sensor module with its detection accuracy kept high. <P>SOLUTION: Correction data are updated (steps S271 and S273) only when the variation range of acceleration obtained from an output signal of an acceleration sensor is less than a threshold while a difference is less than a threshold between a directional angle obtained from an output signal of a geomagnetic sensor and an inclination angle obtained from the output signal of the acceleration sensor (step S269 Y). This causes the correction data to be updated only when a magnetic field is satisfactory at the position of a movable body, allowing the accuracy of the correction data to be kept high. <P>COPYRIGHT: (C)2008,JPO&INPIT |
申请公布号 |
JP2008096131(A) |
申请公布日期 |
2008.04.24 |
申请号 |
JP20060274614 |
申请日期 |
2006.10.06 |
申请人 |
RICOH CO LTD |
发明人 |
KO HIROYOSHI;FUSE AKIHIRO |
分类号 |
G01C17/38 |
主分类号 |
G01C17/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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