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41. 发明授权

US08008902B2 Hysteretic buck converter having dynamic thresholds 有权
标题翻译：迟滞降压转换器具有动态阈值
公开(公告)号：US08008902B2
公开(公告)日：2011-08-30
申请号：US12145807
申请日：2008-06-25
申请人： John L. Melanson , Lei Ding
发明人： John L. Melanson , Lei Ding
IPC分类号： G05F1/42
CPC分类号： H02M3/1563 , H02M2001/0019 , H02M2001/0032 , Y02B70/16
摘要： A hysteretic buck converter provides improved regulation control, in particular for buck converter standby operation. A comparison circuit compares the output voltage of the buck converter to a waveform that is generated from an indication of the output current of the converter, so that the turn-on time of the converter is advanced as the output current demand increases. The resulting action anticipates a reduction in output voltage due to the increased current, preventing an excursion of the output voltage below the ripple voltage minimum. The turn-off time of the converter is controlled by an upper threshold that limits the ripple voltage maximum. The output current indication may be a measurement of output current, or may be a dynamic value calculated from the input voltage and the output voltage waveform.
摘要翻译：迟滞降压转换器提供改进的调节控制，特别是对于降压转换器待机操作。比较电路将降压转换器的输出电压与从转换器的输出电流的指示产生的波形进行比较，使得转换器的导通时间随着输出电流需求的增加而提前。所产生的动作预期由于增加的电流而导致的输出电压降低，防止输出电压偏离低于纹波电压的最小值。转换器的关断时间由限制纹波电压最大值的上限阈值控制。输出电流指示可以是输出电流的测量值，或者可以是从输入电压和输出电压波形计算出的动态值。

42. 发明授权

US07269231B2 System and method for predistorting a signal using current and past signal samples 失效
标题翻译：使用当前和过去信号样本预失真信号的系统和方法
公开(公告)号：US07269231B2
公开(公告)日：2007-09-11
申请号：US10159540
申请日：2002-05-31
申请人： Lei Ding , Zhengxiang Ma , Dennis Raymond Morgan , Michael George Zierdt
发明人： Lei Ding , Zhengxiang Ma , Dennis Raymond Morgan , Michael George Zierdt
IPC分类号： H04K1/02 , H04L25/49
CPC分类号： H03F1/3258 , H03F1/3247 , H03F2201/3233
摘要： A signal is predistorted by producing a set of sample values, each of at least a subset of which is dependent on (i) at least one of a plurality of past time spaced input samples and (ii) a current time spaced input sample, and independent of any other time spaced input sample, and combining the sample values to produce the predistorted signal. Predistortion circuitry for generating the predistorted signal may be implemented using multiple predistortion core circuits, with each of the predistortion core circuits receiving a data input and an index input associated with a particular input sample and generating a corresponding data output. The data outputs of the predistortion core circuits correspond generally to sample values. The predistortion circuitry may also include at least one memory finite impulse response (FIR) filter which processes one or more input samples in conjunction with the production of the sample values.
摘要翻译：通过产生一组采样值来预测信号，其中至少一个子集取决于（i）多个过去时间间隔输入样本中的至少一个和（ii）当前时间间隔输入样本中的至少一个，以及独立于任何其他时间间隔的输入采样，并组合采样值以产生预失真信号。用于产生预失真信号的预失真电路可以使用多个预失真核心电路来实现，其中每个预失真核心电路接收与特定输入采样相关联的数据输入和索引输入并产生相应的数据输出。预失真核心电路的数据输出一般对应于采样值。预失真电路还可以包括至少一个存储器有限脉冲响应（FIR）滤波器，其结合样本值的产生来处理一个或多个输入样本。

43. 发明授权

US07196648B1 Non-integer decimation using cascaded intergrator-comb filter 有权
标题翻译：使用级联集成梳状滤波器的非整数抽取
公开(公告)号：US07196648B1
公开(公告)日：2007-03-27
申请号：US11317546
申请日：2005-12-23
申请人： Lei Ding , John L. Melanson , Xaiofan Fei , Johann Gaboriau
发明人： Lei Ding , John L. Melanson , Xaiofan Fei , Johann Gaboriau
IPC分类号： H03M1/66
CPC分类号： H03H17/0685 , H03H17/0671
摘要： A non-integer decimation filter for decimating an input value includes a first integrator for integrating the input value in an input sample domain at an input sample rate and for generating a first integral of the input value at its output and a second integrator for integrating the first integral of the input value in the input sample domain at the input sample rate and for generating a second integral at its output. A calculation network is coupled to the outputs of the first and second integrators for combining the outputs of the first and second integrators with corresponding coefficients to generate intermediate output values in an output sample domain. A differentiator is configured to receive the intermediate output values from the calculation network and to generate a decimated output value at an output sample rate in which the output sample rate has a non-integer factor with respect to the input sample rate.
摘要翻译：用于对输入值进行抽取的非整数抽取滤波器包括：第一积分器，用于以输入采样率对输入采样域中的输入值进行积分，并在其输出端产生输入值的第一积分;以及第二积分器，在输入采样率的输入采样域中的输入值的第一个积分，并在其输出端产生第二个积分。计算网络耦合到第一和第二积分器的输出，用于将第一和第二积分器的输出与相应系数组合，以在输出样本域中产生中间输出值。微分器被配置为从计算网络接收中间输出值，并且以输出采样率产生相对于输入采样率的非整数因子的输出采样率的抽取输出值。

44. 发明授权

US11468233B2 Intention identification method, intention identification apparatus, and computer-readable recording medium 有权
公开(公告)号：US11468233B2
公开(公告)日：2022-10-11
申请号：US16750182
申请日：2020-01-23
申请人： Liang Liang , Lei Ding , Bin Dong , Shanshan Jiang , Yixuan Tong
发明人： Liang Liang , Lei Ding , Bin Dong , Shanshan Jiang , Yixuan Tong
IPC分类号： G06F40/216 , G06F40/30 , G06F16/242 , G06F40/56 , G06F40/211
摘要： An intention identification method includes generating a heterogeneous text network based on a language material sample; using a graph embedding algorithm to perform learning with respect to the heterogeneous text network and obtain a vector representation of the language material sample and a word, and determining keywords of the language material sample based on a similarity in terms of a vector between the language material sample and the word in the language material sample; training an intention identification model until a predetermined training termination condition is satisfied, by using the keywords of the language material samples, and obtaining the trained intention identification model; and receiving a language material query, and using the trained intention identification model to identify an intention of the language material query.

45. 发明授权

US08478048B2 Optimization of human activity determination from video 失效
标题翻译：从视频优化人类活动确定
公开(公告)号：US08478048B2
公开(公告)日：2013-07-02
申请号：US12832379
申请日：2010-07-08
申请人： Lei Ding , Quanfu Fan , Sharathchandra U. Pankanti
发明人： Lei Ding , Quanfu Fan , Sharathchandra U. Pankanti
IPC分类号： G06K9/46 , G06K9/00
CPC分类号： G06K9/00335 , G06K9/00771 , G08B13/19613
摘要： In an embodiment, automated analysis of video data for determination of human behavior includes providing a programmable device that segments a video stream into a plurality of discrete individual frame image primitives which are combined into a visual event that may encompass an activity of concern as a function of a hypothesis. The visual event is optimized by setting a binary variable to true or false as a function of one or more constraints. The optimized visual event is processed in view of associated non-video transaction data and the binary variable by associating the optimized visual event with a logged transaction if associable, issuing an alert if the binary variable is true and the optimized visual event is not associable with the logged transaction, and dropping the optimized visual event if the binary variable is false and the optimized visual event is not associable.
摘要翻译：在一个实施例中，用于确定人类行为的视频数据的自动分析包括提供将视频流分段成多个离散的单独帧图像原语的可编程设备，其被组合成视觉事件，视觉事件可以包含作为功能的关注活动一个假设。通过将二进制变量设置为true或false作为一个或多个约束的函数来优化视觉事件。考虑到相关联的非视频交易数据和二进制变量，通过将优化的可视事件与记录的事务相关联来处理优化的视觉事件，如果可关联，则如果二进制变量为真，并且优化的视觉事件不能与记录的事务，并且如果二进制变量为false并且优化的可视事件不可关联，则丢弃优化的可视事件。

46. 发明授权

US08306150B2 System and method for estimating a transmit channel response and/or a feedback channel response using frequency shifting 有权
标题翻译：用于使用频移来估计发射信道响应和/或反馈信道响应的系统和方法
公开(公告)号：US08306150B2
公开(公告)日：2012-11-06
申请号：US12823714
申请日：2010-06-25
申请人： Fernando A. Mujica , Carson A. Wick , Lei Ding , Milind Borkar , Roland Sperlich
发明人： Fernando A. Mujica , Carson A. Wick , Lei Ding , Milind Borkar , Roland Sperlich
IPC分类号： H04K1/02 , H04L25/03 , H04L25/49
CPC分类号： H04L27/368 , H04L25/0202
摘要： Systems and methods for identifying a transmission channel response and a feedback channel response from a plurality of composite system responses are disclosed. A plurality of shifted feedback signals are created by shifting a feedback signal frequency by a plurality of first offset values and/or by shifting a transmission signal frequency by a plurality of second offset values. The feedback signals are compared to an input signal to identify the transmission channel response and/or a feedback channel response. A control signal is generated for a pre-distortion circuit to modify the input signal by an inverse of the transmission channel response. The composite system response is measured at a plurality of operating frequencies and at the plurality of offset values. The measurements are stored in a matrix and singular value decomposition is applied to the matrix of measurements to calculate the transmission channel response and feedback channel response.
摘要翻译：公开了用于识别传输信道响应和来自多个复合系统响应的反馈信道响应的系统和方法。通过将反馈信号频率移位多个第一偏移值和/或通过将发送信号频率移位多个第二偏移值来创建多个移位反馈信号。将反馈信号与输入信号进行比较，以识别传输信道响应和/或反馈信道响应。产生用于预失真电路的控制信号，以通过传输信道响应的倒数修改输入信号。在多个工作频率和多个偏移值处测量复合系统响应。将测量值存储在矩阵中，并将奇异值分解应用于测量矩阵，以计算传输信道响应和反馈信道响应。

47. 发明申请

US20120108087A1 ROTARY WIRELESS NETWORK CARD WITH DOUBLE ROTATING SHAFTS 有权
标题翻译：旋转无线网卡，双重旋转针
公开(公告)号：US20120108087A1
公开(公告)日：2012-05-03
申请号：US13257861
申请日：2009-12-14
申请人： Lei Ding
发明人： Lei Ding
IPC分类号： H01R13/44
CPC分类号： H01R35/02 , H01R13/72
摘要： The present disclosure provides a rotary wireless network card with double rotating shafts, which comprises a wireless network card body, an ultra-thin USB interface and a first rotating shaft, wherein at the top of the wireless network card body a opening is provided to accommodate the ultra-thin USB interface as withdrawn; the ultra-thin USB interface extends out of or returns back to the opening by rotating around the first rotating shaft; inside the wireless network card body a rotating shaft support is provided; a second rotating shaft in the opening is rotatably connected to the rotating shaft support; the second rotating shaft is accommodated outside the ultra-thin USB interface and connected to the ultra-thin USB interface; and when the second rotating shaft rotates in the opening, the ultra-thin USB interface and the first rotating shaft rotate in the opening along with the second rotating shaft. By designing a rotary head, the present disclosure frees a USB from the external connection with a cap or other objects that are easily lost or broken, and as the rotary shaft of the ultra-thin USB interface is smaller than common rotary shafts, the whole wireless network card is much shorter and narrower, causing no interference on the use of a neighboring interface.
摘要翻译：本公开提供一种具有双旋转轴的旋转无线网卡，其包括无线网卡主体，超薄USB接口和第一旋转轴，其中在无线网卡主体的顶部提供开口以容纳超薄USB接口退出; 超薄USB接口通过围绕第一旋转轴旋转而延伸出或返回到开口; 在无线网卡内部提供旋转轴支撑; 开口中的第二旋转轴可旋转地连接到旋转轴支撑件; 第二旋转轴容纳在超薄USB接口外部，并连接到超薄USB接口; 并且当第二旋转轴在开口中旋转时，超薄USB接口和第一旋转轴与第二旋转轴一起在开口中旋转。通过设计旋转磁头，本公开通过一个容易丢失或断开的盖或其它物体从外部连接中释放USB，并且当超薄USB接口的旋转轴小于普通旋转轴时，整个无线网卡的时间要短得多，不会对相邻接口的使用造成干扰。

48. 发明申请

US20120093370A1 EVENT DETERMINATION BY ALIGNMENT OF VISUAL AND TRANSACTION DATA 有权
标题翻译：通过视觉和交易数据的对齐确定事件
公开(公告)号：US20120093370A1
公开(公告)日：2012-04-19
申请号：US12905272
申请日：2010-10-15
申请人： Lei Ding , Quanfu Fan , Prasad Gabbur , Arun Hampapur , Sachiko Miyazawa , Sharathchandra U. Pankanti
发明人： Lei Ding , Quanfu Fan , Prasad Gabbur , Arun Hampapur , Sachiko Miyazawa , Sharathchandra U. Pankanti
IPC分类号： G06K9/00
CPC分类号： G06K9/6215 , G06K9/00335 , G06K9/00771
摘要： Determination of human behavior from an alignment of data streams includes acquiring visual image primitives from a video input comprising visual information relevant to a human activity. The primitives are temporally aligned to an optimally hypothesized sequence of primitives transformed from a sequence of transactions as a function of a distance metric between the observed primitive sequence and the transformed primitive sequence. More particularly, transforming includes comparing the distance metric costs and choosing and performing the lowest cost of temporally matching the observed primitives to one or more transactions, deleting a primitive, or associating a primitive with a pseudo transaction marker. Accordingly, alerts are issued based on analysis of the transformation of primitives.
摘要翻译：从数据流的对齐确定人类行为包括从包括与人类活动相关的视觉信息的视频输入中获取视觉图像原语。原语在时间上与从事件序列变换的最优假设序列的原语对齐，作为观察到的原始序列与经变换的原始序列之间的距离度量的函数。更具体地，变换包括比较距离度量成本并选择和执行将观察到的原语暂时匹配到一个或多个事务，删除原语或将原语与伪交易标记相关联的最低成本。因此，基于对原语的转换的分析发出警报。

49. 发明申请

US20120008819A1 OPTIMIZATION OF HUMAN ACTIVITY DETERMINATION FROM VIDEO 失效
标题翻译：从视频优化人类活动决定
公开(公告)号：US20120008819A1
公开(公告)日：2012-01-12
申请号：US12832379
申请日：2010-07-08
申请人： Lei Ding , Quanfu Fan , Sharathchandra U. Pankanti
发明人： Lei Ding , Quanfu Fan , Sharathchandra U. Pankanti
IPC分类号： G06K9/00
CPC分类号： G06K9/00335 , G06K9/00771 , G08B13/19613
摘要： In an embodiment, automated analysis of video data for determination of human behavior includes providing a programmable device that segments a video stream into a plurality of discrete individual frame image primitives which are combined into a visual event that may encompass an activity of concern as a function of a hypothesis. The visual event is optimized by setting a binary variable to true or false as a function of one or more constraints. The optimized visual event is processed in view of associated non-video transaction data and the binary variable by associating the optimized visual event with a logged transaction if associable, issuing an alert if the binary variable is true and the optimized visual event is not associable with the logged transaction, and dropping the optimized visual event if the binary variable is false and the optimized visual event is not associable.
摘要翻译：在一个实施例中，用于确定人类行为的视频数据的自动分析包括提供将视频流分段成多个离散的单独帧图像原语的可编程设备，其被组合成视觉事件，视觉事件可以包含作为功能的关注活动一个假设。通过将二进制变量设置为true或false作为一个或多个约束的函数来优化视觉事件。考虑到相关联的非视频交易数据和二进制变量，通过将优化的可视事件与记录的事务相关联来处理优化的视觉事件，如果可关联，则如果二进制变量为真，并且优化的视觉事件不能与记录的事务，并且如果二进制变量为false并且优化的可视事件不可关联，则丢弃优化的可视事件。

50. 外观设计

USD568249S1 Connecting spring 有权
标题翻译：连接弹簧
公开(公告)号：USD568249S1
公开(公告)日：2008-05-06
申请号：US29287819
申请日：2007-09-24
申请人： Yin Lung Wu , Ming Chiang Chen , Lei Ding
设计人： Yin Lung Wu , Ming Chiang Chen , Lei Ding

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