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    • 46. 发明授权
    • Transmit and receive low band antenna
    • 发送和接收低频天线
    • US09048535B1
    • 2015-06-02
    • US14082096
    • 2013-11-15
    • Laurent DesclosSebastian RowsonJeffrey ShamblinXiaomeng Su
    • Laurent DesclosSebastian RowsonJeffrey ShamblinXiaomeng Su
    • H01Q9/16H01Q3/24
    • H01Q5/335H01Q5/321
    • A multi-frequency, noise optimized active antenna capable of transmit and receive operation consisting of one or several actively tuned antennas optimized over incremental bandwidths and capable of tuning over a large total bandwidth. One or several switches are integrated and provide the capability of operation of an active antenna for both transmit and receive functions. One or multiple impedance transformers are connected to the antennas at an optimal location, with the transformers acting to reduce the impedance for optimal coupling to a transceiver/receiver. Active components can be incorporated into the antenna structures to provide yet additional extension of the bandwidth along with increased optimization of antenna performance over the frequency range of the antenna. The radiating elements can be co-located with a ferrite material and/or active components coupled to the element to tune across a wide frequency range.
    • 一种多频,噪声优化的有源天线,能够进行发射和接收操作,由一个或多个主动调谐天线组成,这些天线在增量带宽上优化,并能够在大的总带宽上进行调谐。 一个或多个开关被集成,并且提供用于发射和接收功能的有源天线的操作能力。 一个或多个阻抗变压器在最佳位置连接到天线,变压器用于减小阻抗以优化耦合到收发器/接收器。 有源组件可以被并入到天线结构中,以提供带宽的额外扩展,同时在天线的频率范围上增加天线性能的优化。 辐射元件可以与铁氧体材料和/或耦合到元件的有源元件共同定位以在宽的频率范围内调谐。
    • 49. 发明申请
    • PRE-OPTIMIZATION OF TRANSMIT CIRCUITS
    • 预测发射电路的优化
    • US20130122836A1
    • 2013-05-16
    • US13608895
    • 2012-09-10
    • Laurent DesclosJeffrey ShamblinSebastian Rowson
    • Laurent DesclosJeffrey ShamblinSebastian Rowson
    • H04B1/04
    • H04B1/04H04B1/0458
    • An impedance tuning and optimization technique is described wherein an impedance interface is dynamically tuned prior to applying transmit power to the circuit. A coupled signal injected into the antenna port is used to optimize the tuning state of a tuning component such that the impedance properties of the circuit are optimized prior to application of transmit power. A coupled or injected signal at an alternate frequency band can be utilized to determine tuning state or parameters at the frequency of interest by first tuning at the frequency of the coupled or injected signal and then accessing a data base containing information that relates tuning parameters across multiple frequency bands for various levels of antenna de-tuning. A time-savings is realized when the tuning circuit is optimized prior to activation or use of the transmit/receive path.
    • 描述阻抗调谐和优化技术,其中在向电路施加发射功率之前动态地调整阻抗接口。 使用注入到天线端口中的耦合信号来优化调谐组件的调谐状态,使得在施加发射功率之前优化电路的阻抗特性。 可以利用交替频带处的耦合或注入信号来确定调谐状态或感兴趣频率处的参数,首先在耦合或注入信号的频率下进行调谐,然后访问包含多个调谐参数的信息的数据库 用于各种级别的天线去调谐的频带。 在激活或使用发送/接收路径之前优化调谐电路时,实现了时间的节省。