<p>A device coupled with a magnetometer and an angular rate sensor can determine a heading of the device using magnetometer data. When the device receives a notification that the magnetometer data may be inaccurate, the device can determine the heading of the device using angular rate data. When the device determines that the magnetometer data are accurate, the device can resume determining the heading of the device using the magnetometer data.</p>
申请公布号
WO2011123149(A1)
申请公布日期
2011.10.06
申请号
WO2010US50219
申请日期
2010.09.24
申请人
APPLE INC.;MOORE, CHRISTOPHER;KING, BRIAN MICHAEL;VIETA, WILLIAM MATTHEW;TU, XIAOYUAN;PIEMONTE, PATRICK
发明人
MOORE, CHRISTOPHER;KING, BRIAN MICHAEL;VIETA, WILLIAM MATTHEW;TU, XIAOYUAN;PIEMONTE, PATRICK