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    • 1. 发明授权
    • Unbalanced power feeding antenna device for making radio communications
    • 用于制造无线电通信的不平衡馈电天线装置
    • US07348931B2
    • 2008-03-25
    • US11497737
    • 2006-08-02
    • Hiromichi SuzukiIsao OhbaTakayuki ShibuyaYusuke OkadaKenji Matsuzaki
    • Hiromichi SuzukiIsao OhbaTakayuki ShibuyaYusuke OkadaKenji Matsuzaki
    • H01Q1/50
    • H01Q1/50
    • An antenna device which is connected to a radio module performing radio communications with a system using a first band and a system using a second band, has an antenna element which transmits/receives radio signals in the first and second bands. The antenna device has first and second matching circuits corresponding to the first and second bands, and also disposes a switching circuit between the first and second bands and the radio module. A first filter circuit is connected between the first matching circuit and the antenna element. The first filter circuit passes the radio signal in the first band and also attenuates the radio signal in the second band. Meanwhile, a second filter circuit is connected between the second matching circuit and the antenna element. The second filter circuit passes the radio signal in the second band and also attenuates the radio signal in the first band.
    • 连接到与使用第一频带的系统进行无线电通信的无线电模块和使用第二频带的系统的天线装置具有在第一和第二频带中发送/接收无线电信号的天线单元。 天线装置具有对应于第一和第二频带的第一和第二匹配电路,并且还在第一和第二频带与无线电模块之间配置切换电路。 第一滤波电路连接在第一匹配电路和天线元件之间。 第一滤波器电路通过第一频带中的无线电信号,并且还使第二频带中的无线电信号衰减。 同时,第二滤波电路连接在第二匹配电路和天线元件之间。 第二滤波器电路通过第二频带中的无线电信号,并且还使第一频带中的无线电信号衰减。
    • 2. 发明申请
    • Unbalanced power feeding antenna device for making radio communications
    • 用于制造无线电通信的不平衡馈电天线装置
    • US20070241985A1
    • 2007-10-18
    • US11497737
    • 2006-08-02
    • Hiromichi SuzukiIsao OhbaTakayuki ShibuyaYusuke OkadaKenji Matsuzaki
    • Hiromichi SuzukiIsao OhbaTakayuki ShibuyaYusuke OkadaKenji Matsuzaki
    • H01Q1/50
    • H01Q1/50
    • An antenna device which is connected to a radio module performing radio communications with a system using a first band and a system using a second band, has an antenna element which transmits/receives radio signals in the first and second bands. The antenna device has first and second matching circuits corresponding to the first and second bands, and also disposes a switching circuit between the first and second bands and the radio module. A first filter circuit is connected between the first matching circuit and the antenna element. The first filter circuit passes the radio signal in the first band and also attenuates the radio signal in the second band. Meanwhile, a second filter circuit is connected between the second matching circuit and the antenna element. The second filter circuit passes the radio signal in the second band and also attenuates the radio signal in the first band.
    • 连接到与使用第一频带的系统进行无线电通信的无线电模块和使用第二频带的系统的天线装置具有在第一和第二频带中发送/接收无线电信号的天线单元。 天线装置具有对应于第一和第二频带的第一和第二匹配电路,并且还在第一和第二频带与无线电模块之间配置切换电路。 第一滤波电路连接在第一匹配电路和天线元件之间。 第一滤波器电路通过第一频带中的无线电信号,并且还使第二频带中的无线电信号衰减。 同时,第二滤波电路连接在第二匹配电路和天线元件之间。 第二滤波器电路通过第二频带中的无线电信号,并且还使第一频带中的无线电信号衰减。