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发明名称
射频辨识读取器/写入器
摘要
在一射频辨识读取器/写入器中,一发射信号产生单元产生由圆极化形成之一载波。一第一天线发射以及接收一第一极化成份之一极化波。一第二天线发射以及接收正交于该第一极化成份之一第二极化成份之一极化波。当一信号分析单元藉由第一及第二天线从多个标签接收对于此等载波之一反射波时,此单元将分析包含在此反射波内之该等第一及第二极化成份。根据此信号分析单元之分析结果,设定欲从此等第一及第二天线发射之电功率,以控制欲随着一命令发射至多个标签的一发射波之该极化波。
申请公布号
TW200737005
申请公布日期
2007.10.01
申请号
TW095121408
申请日期
2006.06.15
申请人
富士通股份有限公司
发明人
马庭透
分类号
G06K1/18(2006.01);G06K7/10(2006.01);H01Q15/24(2006.01)
主分类号
G06K1/18(2006.01)
代理机构
代理人
恽轶群;陈文郎
主权项
地址
日本
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