发明名称 HELICAL WHIP ANTENNA
摘要 <P>PROBLEM TO BE SOLVED: To provide a helical whip antenna operable in three or more frequency bands. <P>SOLUTION: This helical whip antenna 1 includes: a linear whip element 10; an element part connected to the upper end of the whip element 10 and comprising a first helical element 11; and a second helical element 12 having a helical part wound around the whip element 10. The whip element 10 is supplied with power from the lower end. The second helical element 12 is connected to a base part 13 functioning as a ground. The whip element 10 and the first helical element 11 are operable in a first frequency band and a second frequency band, and the second helical element 12 is operable in a third frequency band. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009182797(A) 申请公布日期 2009.08.13
申请号 JP20080020845 申请日期 2008.01.31
申请人 NIPPON ANTENNA CO LTD 发明人 KISHIMOTO TOMOHISA
分类号 H01Q5/15;H01Q5/10;H01Q9/32;H01Q11/08;H01Q21/30 主分类号 H01Q5/15
代理机构 代理人
主权项
地址