发明名称 |
Gravity axis determination apparatus and mobile terminal apparatus using the same |
摘要 |
A gravity axis determination apparatus which can determine the gravity direction in a short time. The apparatus is low in cost and has a simple construction. Data values of acceleration data trains in a same time zone are mutually compared and one of the three axes is determined as a gravity axis.
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申请公布号 |
US2010130258(A1) |
申请公布日期 |
2010.05.27 |
申请号 |
US20090591432 |
申请日期 |
2009.11.19 |
申请人 |
OKI SEMICONDUCTOR CO., LTD. |
发明人 |
FUJIWARA KAZUNORI |
分类号 |
H04B1/38;G01V7/00 |
主分类号 |
H04B1/38 |
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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