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    • 54. 发明授权
    • Antenna system having two antennas and three ports
    • 天线系统有两个天线和三个端口
    • US09559433B2
    • 2017-01-31
    • US13846481
    • 2013-03-18
    • Apple Inc.
    • Yijun ZhouNanbo JinYuehui OuyangEnrique Ayala VazquezAnand LakshmananRobert W. SchlubMattia PascoliniMatthew A. Mow
    • H01Q21/28H01Q1/24H01Q9/06H01Q9/04H01Q5/35
    • H01Q21/28H01Q1/24H01Q1/243H01Q5/35H01Q9/0421H01Q9/06
    • Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may form a dual arm inverted-F antenna and a monopole antenna sharing a common antenna ground. The antenna structures may have three ports. A first antenna port may be coupled to an inverted-F antenna resonating element at a first location and a second antenna port may be coupled to the inverted-F antenna resonating element at a second location. A third antenna port may be coupled to the monopole antenna. Tunable circuitry can be used to tune the antenna structures. An adjustable capacitor may be coupled to the first port to tune the inverted-F antenna. An additional adjustable capacitor may be coupled to the third port to tune the monopole antenna. Transceiver circuitry for supporting wireless local area network communications, satellite navigation system communications, and cellular communications may be coupled to the first, second, and third antenna ports.
    • 电子设备可以包括射频收发器电路和天线结构。 天线结构可以形成双臂倒F天线和共享共同天线接地的单极天线。 天线结构可以具有三个端口。 第一天线端口可以在第一位置处耦合到倒F天线谐振元件,并且第二天线端口可以在第二位置处耦合到倒F天线谐振元件。 第三天线端口可以耦合到单极天线。 可调电路可用于调谐天线结构。 可调电容器可以耦合到第一端口以调谐倒F天线。 附加可调电容器可以耦合到第三端口以调谐单极天线。 支持无线局域网通信,卫星导航系统通信和蜂窝通信的收发器电路可以耦合到第一,第二和第三天线端口。