Low cost multiple pattern antenna for use with multiple receiver systems
    7.
    发明申请
    Low cost multiple pattern antenna for use with multiple receiver systems 失效
    低成本多模式天线,用于多个接收机系统

    公开(公告)号:US20050174298A1

    公开(公告)日:2005-08-11

    申请号:US11101914

    申请日:2005-04-08

    Abstract: An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that can electrically terminate it to adjust the input or output beam pattern(s) produced by the combination of the active antenna elements and the beam control antenna element(s). More specifically, the beam control antenna element(s) may be coupled to different terminating reactances to change beam characteristics, such as the directivity and angular beamwidth. Processing may be employed to select which terminating reactance to use. Consequently, the radiator pattern of the antenna can be more easily directed towards a specific target receiver/transmitter, reduce signal-to-noise interference levels, and/or increase gain. A Multiple-Input, Multiple-Output (MIMO) processing technique may be employed to operate the antenna assembly with simultaneous beam patterns.

    Abstract translation: 天线组件包括至少两个有源或主辐射全向天线元件,其布置有用作反射器的至少一个光束控制或无源天线元件。 波束控制天线元件可以具有多个电抗元件,其可以电气端接它,以调节由有源天线元件和波束控制天线元件的组合产生的输入或输出波束图案。 更具体地,波束控制天线元件可以耦合到不同的终止电抗以改变诸如方向性和角波束宽度的波束特性。 可以使用处理来选择要使用的终止电抗。 因此,天线的辐射器图案可以更容易地指向特定的目标接收器/发射器,降低信噪比干扰电平和/或增加增益。 可以采用多输入多输出(MIMO)处理技术来操作具有同时波束图案的天线组件。

    Electronic phase shifter with enhanced phase shift performance

    公开(公告)号:US20050104687A1

    公开(公告)日:2005-05-19

    申请号:US11022483

    申请日:2004-12-22

    CPC classification number: H01P1/185

    Abstract: A varactor based phase shifter that increases phase shift range using a lower characteristic impedance between quadrature ports than is used at its input/output ports. The circuit makes use of a four port coupler arrangement that imbeds a quarter wave impedance transformation between the input port and the quadrature ports as well as between the quadrature ports and the output port. The characteristic impedance across the quadrature ports is therefore less than the characteristic impedance across the input and output ports. In one implementation, reducing a characteristic input/output impedance of 50 to a 20 ohm quadrature port impedance results in a phase shift range increase of more than 50%.

    Network based media enhancement function based on an identifier
    10.
    发明授权
    Network based media enhancement function based on an identifier 有权
    基于网络的媒体增强功能,基于标识符

    公开(公告)号:US09020621B1

    公开(公告)日:2015-04-28

    申请号:US12948515

    申请日:2010-11-17

    Abstract: A network based processing element for processing audio information improves the understanding of speech or music for intended listeners based on an identifier. The processing involves performing a media enhancement function, where a parameter affecting the utilization or performance aspects of the media enhancement function are dependent upon the identifier. A “media enhancement server” (MES) is included, whereby the audio of a telephone call, video call, multimedia program or other stream to be heard by a specific listener is processed using a personalized audio enhancement parameter to enhance the audio signal such that the listener will enjoy a benefit, such as better comprehension of the information, reduced listening effort, and more listening comfort during the call. The personalized parameters are stored and retrieved based upon the identifier, and used within the MES. The audio portion of the call or stream could be speech, music, or a combination.

    Abstract translation: 用于处理音频信息的基于网络的处理元件基于标识符改善对于预期听众的语音或音乐的理解。 该处理涉及执行媒体增强功能,其中影响媒体增强功能的利用或性能方面的参数取决于标识符。 包括“媒体增强服务器”(MES),由此使用个性化音频增强参数来处理要由特定收听者听到的电话呼叫,视频呼叫,多媒体节目或其他流的音频,以增强音频信号,使得 听众将享受到更好的理解信息,减少听力,以及更多的聆听舒适性。 基于标识符存储和检索个性化参数,并在MES中使用。 呼叫或流的音频部分可以是语音,音乐或组合。

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