发明名称 Article management system
摘要 An article management system which can efficiently search for the whereabouts of an article. The article management system for managing the whereabouts of an article existing in any of a plurality of sections includes radio communication devices provided in the respective sections, and an RFID tag and a portable device that are communicable with the radio communication device by radio. The RFID tag is attached to the article. The article is detected through communication between the RFID tag and one of the radio communication devices provided in the respective sections. Further, in which of the plurality of sections the article exists is specified through communication between the portable device and the radio communication devices provided in the respective sections.
申请公布号 US2008297319(A1) 申请公布日期 2008.12.04
申请号 US20080153643 申请日期 2008.05.22
申请人 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 发明人 OHTANI HISASHI;KOYAMA JUN;YAMAZAKI SHUNPEI
分类号 H04Q5/22;B65G1/137;G06K17/00 主分类号 H04Q5/22
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