发明名称 Magnetic compass
摘要 <p>A small magnetic compass capable of suppressing the effects from the magnetic dip is provided. The magnetic compass includes a substrate 11, a two-axis sensor 12 arranged on the substrate 11, for detecting external magnetic fields, a magnetic north calculating device 13 for detecting an azimuth from outputs of the respective magnetic sensors, a rotating magnetic field generating device 14 for generating a rotating magnetic field on the plane of the substrate using a reference point P1 as a center of rotation. </p>
申请公布号 EP1500905(A3) 申请公布日期 2006.03.01
申请号 EP20040254254 申请日期 2004.07.15
申请人 ALPS ELECTRIC CO., LTD. 发明人 SASAGAWA, SHINICHI,
分类号 G01C17/28;G01C17/30 主分类号 G01C17/28
代理机构 代理人
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