发明名称 Transmitted-receiver
摘要 A transmitter-receiver for four different frequency ranges of two transmission systems has four dielectric resonator antennas (DRAs) for each frequency range to improve and a simplify separation of different frequency ranges. Two DRA's are provided for reception and transmission in the first transmission system, and two other DRA's are provided for reception and transmission in the second transmission system.
申请公布号 US6314276(B1) 申请公布日期 2001.11.06
申请号 US19990369541 申请日期 1999.08.06
申请人 U.S. PHILIPS CORPORATION 发明人 HILGERS ACHIM;HEINRICHS FRANK;PORATH REBEKKA
分类号 H01Q1/40;H01Q1/24;H01Q1/52;H01Q5/00;H01Q9/04;(IPC1-7):H04B1/38 主分类号 H01Q1/40
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