发明名称 Individual management system
摘要 To provide an individual management system for managing products with the use of an automatic identification technology using a wireless communication device. In the individual management system, an individual management device is attached to a managed object, an individual identification device can wirelessly communicate with the individual management device, and an individual information management device can communicate with the individual identification device. The individual management device includes a detection portion such as a sensor. The individual identification device includes a position analysis portion which calculates a distance between the individual management device and the individual identification device. Information on the distance between the individual management device and the individual identification device, and information from the detection portion included in the individual management device are transmitted to the individual identification device. Accordingly, a system user can specify a position of the individual management device accurately.
申请公布号 US8026813(B2) 申请公布日期 2011.09.27
申请号 US20080053950 申请日期 2008.03.24
申请人 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 发明人 SAITO YUMIKO;YAMAGUCHI MAYUMI;IZUMI KONAMI
分类号 G08B13/14 主分类号 G08B13/14
代理机构 代理人
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