发明授权
- 专利标题： Electronic tag authentication device and communication adjustment method with electronic tag
- 专利标题（中）： 电子标签认证装置和电子标签的通信调整方法
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申请号： US10995661申请日： 2004-11-23
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公开(公告)号： US07388499B2公开(公告)日： 2008-06-17
- 发明人: Hiroyuki Hayashi , Toru Maniwa , Andrey Andrenko , Manabu Kai
- 申请人： Hiroyuki Hayashi , Toru Maniwa , Andrey Andrenko , Manabu Kai
- 申请人地址： JP Kawasaki
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JP Kawasaki
- 代理机构： Katten Muchin Rosenman LLP
- 优先权： JP2004-223388 20040730
- 主分类号： G08B13/14
- IPC分类号： G08B13/14
摘要：
The electronic tag authentication device of the present invention authenticates the contents of an electronic tag attached to goods. The electronic tag authentication device comprises an antenna directivity change unit for changing the directivity of an antenna for transmitting/receiving electrical waves in order to authenticate the contents of the electronic tag.