发明名称
摘要 <p>A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.</p>
申请公布号 JP4763810(B2) 申请公布日期 2011.08.31
申请号 JP20080555889 申请日期 2007.02.15
申请人 发明人
分类号 G01C21/00;G01S3/16;G08G1/005;H04W4/02;H04W64/00;H04W88/02;H04W88/06 主分类号 G01C21/00
代理机构 代理人
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