发明名称 Dual operational frequency slot antenna
摘要 A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.
申请公布号 US7006048(B2) 申请公布日期 2006.02.28
申请号 US20040978585 申请日期 2004.11.02
申请人 TATUNG CO., LTD. 发明人 CHANG THE-NAN
分类号 H01Q13/10;H01Q1/38;H01Q5/00;H01Q13/16 主分类号 H01Q13/10
代理机构 代理人
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