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    • 1. 发明授权
    • Sigma-delta analog-to-digital converter and method
    • Sigma-delta模数转换器和方法
    • US06677875B2
    • 2004-01-13
    • US10134300
    • 2002-04-29
    • Elias H. DagherMatthew Miller
    • Elias H. DagherMatthew Miller
    • H03M300
    • H03M1/0665H03M1/74H03M3/464
    • A sigma-delta analog-to-digital converter (10) having DEM (14) facilitated data weighted averaging to select specific unit elements of a negative feedback loop digital-to-analog converter (15), which DEM (14) is comprised substantially of transmission gates that contribute little to propagation delay. As a result, the feedback signal provided by the feedback loop is not more than one clock cycle behind the present coded output of the ADC (10) itself. As a result, higher resolution converters can be realized. The DEM (14) utilizes a repeating sequence to select specific unit elements. In some embodiments the direction of sequence usage is reversed in various ways to aid in reducing harmonic distortion.
    • 具有DEM(14)的Σ-Δ模数转换器(10)便于数据加权平均以选择负反馈回路数模转换器(15)的特定单元,该DEM(14)基本上包括 对传播延迟贡献很小的传输门。 结果,由反馈回路提供的反馈信号在ADC(10)本身的当前编码输出之后不超过一个时钟周期。 因此,可以实现更高分辨率的转换器。 DEM(14)利用重复序列来选择特定的单元。 在一些实施例中,序列使用的方向以各种方式颠倒以帮助减少谐波失真。
    • 5. 发明申请
    • Topic and Time Based Media Affinity Estimation
    • 主题和基于时间的媒体亲和度估计
    • US20130018896A1
    • 2013-01-17
    • US13548901
    • 2012-07-13
    • Michael Ben FleischmanDeb Kumar RoyJeremy RishelAnjali MidhaMatthew Miller
    • Michael Ben FleischmanDeb Kumar RoyJeremy RishelAnjali MidhaMatthew Miller
    • G06F17/30
    • G06F17/30017G06F17/30029G06F17/30528G06Q30/0278G06Q50/01
    • An affinity server estimates an affinity between two different time based media events (e.g., TV, radio, social media content stream), between a time based media event and a specific topic, or between two different topics, where the affinity score represents an intersection between the populations of social media users who have authored social media content items regarding the two different events and/or topics. The affinity score represents an estimation of the real world affinity between the real world population of people who have an interest in both time based media events, both topics, or in a time based media event and a topic. One possible threshold for including a social media user in a population may be based on a confidence score that indicates the confidence that one or more social media content items authored by the social media user are relevant to the topic or event in question.
    • 亲和度服务器估计在基于时间的媒体事件和特定话题之间的两个不同的基于时间的媒体事件(例如,TV,无线电,社交媒体内容流)之间或两个不同主题之间的亲和度,其中亲和度分数表示交集 在两个不同的事件和/或主题之间创作社交媒体内容的社交媒体用户之间。 亲和度分数表示对现实世界中有时间的媒体事件,两个主题或基于时间的媒体事件和主题感兴趣的人之间的真实世界关系的估计。 将社交媒体用户包括在群体中的一个可能的阈值可以基于置信度得分,该置信度得分指示由社交媒体用户创作的一个或多个社交媒体内容项目与所讨论的主题或事件相关的置信度。
    • 6. 发明授权
    • Reconfigurable interface operable with multiple types of sensors and actuators
    • 可重构接口可与多种类型的传感器和执行器一起使用
    • US08149102B1
    • 2012-04-03
    • US12410746
    • 2009-03-25
    • Matthew MillerAlan S. Broad
    • Matthew MillerAlan S. Broad
    • G08B29/00
    • H04W4/38Y02D70/00
    • An interface is provided that configures itself dynamically based on sensor information received from a sensor assembly or actuator information received from an actuator assembly. The interface may be configured to interoperate with sensor assemblies including analog transducers, smart transducers providing digital outputs and various actuators. The sensor information or the actuator information may include information for managing power consumption associated with the operation of the sensor or the actuator. Using the sensor information or the actuator information, a power management scheme may be implemented to reduce power consumption and extend the operational time of a module. The sensor information also includes information about the sensor signal generated by the sensor. The information about the sensor signal allows the module to interoperate with more diverse types of sensors.
    • 提供了一种接口,其基于从传感器组件接收的传感器信息或从致动器组件接收的致动器信息动态地配置自身。 接口可以被配置为与传感器组件互操作,包括模拟换能器,提供数字输出的智能换能器和各种致动器。 传感器信息或致动器信息可以包括用于管理与传感器或致动器的操作相关联的功率消耗的信息。 使用传感器信息或致动器信息,可实施功率管理方案以降低功耗并延长模块的操作时间。 传感器信息还包括关于由传感器产生的传感器信号的信息。 关于传感器信号的信息允许模块与更多种类型的传感器进行互操作。