公开(公告)号：US20120139812A1

公开(公告)日：2012-06-07

申请号：US13163277

申请日：2011-06-17

申请人： Hiroki ITO ,  Tomokazu FUJIWARA

发明人： Hiroki ITO ,  Tomokazu FUJIWARA

IPC分类号： H01Q21/30

CPC分类号： H01Q21/28 ,  H01Q1/243

摘要： An antenna device includes a first antenna element resonating at a frequency in a first frequency band, a first matching circuit attaining matching between a first radio frequency circuit and the first antenna element, a second antenna element resonating at a frequency in a second frequency band, a second matching circuit attaining matching between a second radio frequency circuit and the second antenna element, a first band-pass circuit connected with the second antenna element and the second matching circuit to selectively conduct a signal in the second frequency band and a second band-pass circuit connected with the second antenna element and grounded to selectively conduct a signal in the first frequency band, wherein the second antenna element is utilized as a parasitic element for the first antenna element.

摘要翻译： 天线装置包括以第一频带的频率谐振的第一天线元件，获得第一射频电路和第一天线元件之间的匹配的第一匹配电路，以第二频带的频率谐振的第二天线元件， 获得第二射频电路和第二天线元件之间的匹配的第二匹配电路，与第二天线元件连接的第一带通电路和第二匹配电路，以选择性地传导第二频带中的信号和第二带通电路， 与第二天线元件连接并接地以选择性地传导第一频带中的信号，其中第二天线元件用作第一天线元件的寄生元件。