发明名称 Networked wireless devices for local tracking and interaction
摘要 The present invention provides one or more powered wireless transceivers and/or one or more passive wireless transceivers networked to one another, a method for making same and the method of using these devices for locating, tracking and identifying each other, the products in which they are implemented and/or the person, animal or thing holding, maintaining or transporting the device with possible interaction among the devices. Specifically, the invention concerns keeping groups of devices within a certain range of one another, even as they may move around.
申请公布号 US2007037568(A1) 申请公布日期 2007.02.15
申请号 US20060504789 申请日期 2006.08.15
申请人 WARNER ROBERT;WINTERS JACK 发明人 WARNER ROBERT;WINTERS JACK
分类号 H04W84/18 主分类号 H04W84/18
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