发明名称 Tuneable antenna with inductive coupling at input
摘要 A whip antenna system for surface vehicles or the like. The antenna system's tuner has an LC tank circuit, into whose inductor is inserted a coil that is connected to the vehicle's transmitter/receiver, the coil being field coupled to the tank circuit's inductor. The inserted coil provides sufficient reactance that the vehicle need not serve as a counterpoise, thus providing an antenna of comparable size but electrically less close to the ground (i.e. one that has better "seeing"), and useable with non-metallic vehicles (e.g. fiberglass boats).
申请公布号 US4584587(A) 申请公布日期 1986.04.22
申请号 US19830528898 申请日期 1983.09.02
申请人 IRELAND, FRANK E. 发明人 IRELAND, FRANK E.
分类号 H01Q9/14;H01Q9/24;H01Q9/30;(IPC1-7):H01Q9/24;H01Q1/48 主分类号 H01Q9/14
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