发明授权
- 专利标题： RF transponder
- 专利标题（中）： 射频应答器
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申请号： US09936125申请日： 2002-02-13
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公开(公告)号： US06693599B1公开(公告)日： 2004-02-17
- 发明人: Michael Yan Wah Chia , Chip Hong Ang , Daryl Lee Song Cher , We Peng Jason Ng
- 申请人： Michael Yan Wah Chia , Chip Hong Ang , Daryl Lee Song Cher , We Peng Jason Ng
- 优先权： SG9902217 19990416
- 主分类号： H01Q1112
- IPC分类号： H01Q1112
摘要：
An RF transponder having an antenna comprising at least two ports operable to receive signals such that, in use, the signals in combination establish at least two current nulls on the antenna, each of the ports being located substantially at a current null.
信息查询
