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    • 11. 发明授权
    • Directional coupler and transmitting/receiving apparatus
    • 定向耦合器和发射/接收装置
    • US08107892B2
    • 2012-01-31
    • US12423851
    • 2009-04-15
    • Fumi MoritsukaToshiyuki Umeda
    • Fumi MoritsukaToshiyuki Umeda
    • H04B1/44
    • H01P5/227
    • A directional coupler has first to fourth input/output terminals, a first phase shifting unit which is connected between the first input/output terminal and the second input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a second phase shifting unit which is connected between the third input/output terminal and the fourth input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a first amplifier having an input connected to the third input/output terminal and an output connected to the first input/output terminal, and a second amplifier having an input connected to the fourth input/output terminal and an output connected to the second input/output terminal.
    • 定向耦合器具有第​​一至第四输入/输出端子,连接在第一输入/输出端子和第二输入/输出端子之间的第一移相单元将提供的信号相移90°并输出结果信号, 连接在第三输入/输出端子和第四输入/输出端子之间的第二移相单元将提供的信号相移90°并输出结果信号,第一放大器具有连接到第三输入/ 输出端子和连接到第一输入/输出端子的输出端,第二放大器具有连接到第四输入/输出端子的输入端和连接到第二输入/输出端子的输出端。
    • 12. 发明申请
    • DIRECTIONAL COUPLER AND TRANSMITTING/RECEIVING APPARATUS
    • 方向联轴器和发射/接收装置
    • US20100102897A1
    • 2010-04-29
    • US12423851
    • 2009-04-15
    • Fumi MoritsukaToshiyuki Umeda
    • Fumi MoritsukaToshiyuki Umeda
    • H01P5/18
    • H01P5/227
    • A directional coupler has first to fourth input/output terminals, a first phase shifting unit which is connected between the first input/output terminal and the second input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a second phase shifting unit which is connected between the third input/output terminal and the fourth input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a first amplifier having an input connected to the third input/output terminal and an output connected to the first input/output terminal, and a second amplifier having an input connected to the fourth input/output terminal and an output connected to the second input/output terminal.
    • 定向耦合器具有第​​一至第四输入/输出端子,连接在第一输入/输出端子和第二输入/输出端子之间的第一移相单元将提供的信号相移90°并输出结果信号, 连接在第三输入/输出端子和第四输入/输出端子之间的第二移相单元将提供的信号相移90°并输出结果信号,第一放大器具有连接到第三输入/ 输出端子和连接到第一输入/输出端子的输出端,第二放大器具有连接到第四输入/输出端子的输入端和连接到第二输入/输出端子的输出端。