发明授权
- 专利标题： Quadrifilar helical antenna
- 专利标题（中）： 四边形螺旋天线
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申请号： US12367528申请日： 2009-02-08
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公开(公告)号： US07978148B2公开(公告)日： 2011-07-12
- 发明人: Gregory A. O'Neill , Murray Fugate , Young-Min Jo , John C. Farrar , Myung Sung Lee , Se-Hyun Oh , Joo Mun Lee , Jin Hee Yoon , Sang Ok Choi , Eun Seok Han
- 申请人： Gregory A. O'Neill , Murray Fugate , Young-Min Jo , John C. Farrar , Myung Sung Lee , Se-Hyun Oh , Joo Mun Lee , Jin Hee Yoon , Sang Ok Choi , Eun Seok Han
- 代理机构： Beusse Wolter Sanks Mora & Maire, P.A.
- 代理商 John L. DeAngelis
- 主分类号： H01Q1/36
- IPC分类号： H01Q1/36 ; H01Q1/50
摘要：
A quadrifilar helical antenna comprising two pairs of filars having unequal lengths and phase quadrature signals propagating thereon. A conductive H-shaped impedance matching element matches a source impedance to an antenna impedance. The impedance matching element having a feed terminal at the center thereof from which current is supplied to the two filars of each filar pair disposed about an edge of the impedance matching element and symmetric with respect to a center of the impedance matching element. The impedance matching element further comprises a reactive element for matching the antenna and source impedances.
公开/授权文献
- US20090201215A1 QUADRIFILAR HELICAL ANTENNA 公开/授权日：2009-08-13
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