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    • 1. 发明授权
    • User interface for geofence associated content
    • 地理围栏相关内容的用户界面
    • US09043222B1
    • 2015-05-26
    • US13251724
    • 2011-10-03
    • Michael A. KerrDavid Stewart
    • Michael A. KerrDavid Stewart
    • G06Q30/00G06Q30/06
    • G06Q30/0621
    • A location aware user interface on a wireless handset is described. The location aware user interface comprises a location module configured to transmit a location message to a remote server via a network. The remote server is configured to determine whether the wireless handset is within a geofence. The user interface further comprises a display module configured to display at least one content item associated with the geofence. The user interface also comprises an input module configured to receive a user-created content item and transmit the received user-created content item to the remote server. The remote server is configured to associate the content item with the geofence in which the wireless handset is located.
    • 描述无线手机上的位置感知用户界面。 位置感知用户界面包括位置模块,其被配置为经由网络向远程服务器发送位置消息。 远程服务器被配置为确定无线手机是否在地理栅栏内。 所述用户界面还包括被配置为显示与所述地理围栏相关联的至少一个内容项目的显示模块。 用户接口还包括被配置为接收用户创建的内容项目并将接收到的用户创建的内容项目发送到远程服务器的输入模块。 远程服务器被配置为将内容项目与无线手机所在的地理栅栏相关联。
    • 4. 发明申请
    • Wave energy converter utilizing internal reaction mass and spring
    • 使用内部反应物质和弹簧的波能量转换器
    • US20070126239A1
    • 2007-06-07
    • US11607386
    • 2006-12-01
    • David StewartJames Gerber
    • David StewartJames Gerber
    • F03B13/12F03B13/10H02P9/04
    • F03B13/20F05B2260/502Y02E10/38
    • A wave energy converter (WEC) includes a shell suitable for being placed within a body of water. The shell contains an internal oscillator comprising a “reaction mass” and a spring mechanism coupled between the reaction mass and the shell. The shell and internal oscillator are constructed such that, when placed in a body of water and in response to waves in the body of water, there is relative motion between the shell and the internal oscillator's mass. A power take-off (PTO) device is coupled between the internal oscillator and the shell to convert their relative motion into electric energy. In systems embodying the invention, the spring mechanism is designed such that its displacement or movement is less than the displacement or movement of the reaction mass. The spring mechanism may be any device which enables the reaction mass to undergo a given replacement while its displacement or movement is less than that of the reaction mass. This property enables the size of the WEC to be more readily controlled (e.g., made smaller).
    • 波能转换器(WEC)包括适于放置在水体内的外壳。 壳体包含内部振荡器,其包括耦合在反应物质和壳体之间的“反应物质”和弹簧机构。 壳体和内部振荡器被构造成使得当放置在水体中并且响应于水体中的波浪时,壳体和内部振荡器的质量之间存在相对运动。 功率输出(PTO)装置耦合在内部振荡器和壳体之间,以将其相对运动转换为电能。 在体现本发明的系统中,弹簧机构设计成使得其位移或移动小于反作用物质的位移或移动。 弹簧机构可以是使得反应物质在其位移或运动小于反应物质的位移或运动时经历给定替换的任何装置。 该属性使得能够更容易地控制WEC的尺寸(例如,更小)。
    • 6. 发明申请
    • Variable distortion limiter using clip detect predictor
    • 可变失真限制器使用剪辑检测预测器
    • US20060284675A1
    • 2006-12-21
    • US11155800
    • 2005-06-17
    • Andrew KrochmalJohn WhitecarDavid Stewart
    • Andrew KrochmalJohn WhitecarDavid Stewart
    • H03F1/26
    • H03F1/3264H03G3/301
    • A system and method for predicting and limiting distortion of an amplified signal is described. The system includes a variable total harmonic distortion (“THD”) clipping predictor, a comparator in communication with the variable THD clipping predictor and a distortion limiter in communication with the comparator. As for the method, a reference power supply value, a maximum desired total harmonic distortion value and a preamplified signal value is provided. A THD output threshold value is calculated based on the reference power supply value and the maximum desired THD value and is then compared to the preamplified signal value. Depending on if the preamplified signal value is greater than or less than the THD output threshold value, the amplitude of the preamplified signal may be increased or decreased.
    • 描述了用于预测和限制放大信号的失真的系统和方法。 该系统包括可变总谐波失真(“THD”)限幅预测器,与可变THD限幅预测器通信的比较器和与比较器通信的失真限制器。 对于该方法,提供参考电源值,最大期望总谐波失真值和预放大信号值。 基于参考电源值和最大期望THD值计算THD输出阈值,然后将其与前置放大信号值进行比较。 根据预放大信号值是否大于或小于THD输出阈值,可以增大或减小前置放大信号的幅度。