发明名称 Within-A-Radius Calling System and Service Method Thereof
摘要 The present invention discloses a within-a-radius calling system and a service method thereof, which can request a call from a member positioned within a certain radius. The within-a-radius calling system comprises: an application transmission unit; a member join/authentication unit; a storage unit; a radius information receiving unit; a position information receiving unit; a member search unit; and a within-a-radius calling unit.
申请公布号 US2012238235(A1) 申请公布日期 2012.09.20
申请号 US201113281392 申请日期 2011.10.25
申请人 LEE JAE HEE 发明人 LEE JAE HEE
分类号 H04W4/16;H04W4/22 主分类号 H04W4/16
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