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    • 52. 发明授权
    • Thermo-electric defrosting system
    • 热电除霜系统
    • US07934385B2
    • 2011-05-03
    • US11990347
    • 2005-08-12
    • Lei Chen
    • Lei Chen
    • F25B21/02
    • A47F3/0443A47F3/0482F25B21/02F25D21/06
    • A refrigeration unit (40) having a defroster (30) has a refrigeration compartment (44), an evaporator coil (26) having an amount of crystallized water being aggregated thereon from air and a thermo-electric module (32, 46, 48, 50) having a semiconductor material. The thermo-electric module (32, 46, 48, 50) provides heating from a first location of the thermoelectric module (32, 46, 48, 50) and cooling from a second location of the thermo-electric module (32, 46, 48, 50) based on a Peltier effect when a current from a power supply is traversed through the thermo-electric module (32, 46, 48, 50). The heating from a first location heats the evaporator coil (26) to defrost the aggregated amount of crystallized water thereon. The cooling from the second location is communicated to the refrigeration compartment (44).
    • 具有除霜器(30)的制冷单元(40)具有冷藏室(44),具有从空气聚集的结晶水量的蒸发器盘管(26)和热电模块(32,46,48, 50)具有半导体材料。 热电模块(32,46,48,50)从热电模块(32,46,48,50)的第一位置提供加热,并且从热电模块(32,46,48,50)的第二位置进行冷却, 当来自电源的电流穿过热电模块(32,46,48,50)时,基于珀耳帖效应。 来自第一位置的加热使蒸发器盘管(26)加热,以使其上结晶水的凝结量除霜。 从第二位置的冷却被传送到冷藏室(44)。
    • 53. 发明授权
    • Integrated battery voltage sensor with high voltage isolation, a battery voltage sensing system and methods therefor
    • 具有高电压隔离的集成电池电压传感器,电池电压检测系统及其方法
    • US07876071B2
    • 2011-01-25
    • US11763522
    • 2007-06-15
    • Lei ChenFun Kok ChowKok Keong Richard LumBin Zhang
    • Lei ChenFun Kok ChowKok Keong Richard LumBin Zhang
    • H02J7/00H01P3/08H04B10/06G01N27/416
    • H01M10/48G01R19/0084H01M10/425
    • An integrated circuit battery sensor and system thereof are provided. The battery sensor includes a voltage sensor configured to sample a voyage of a battery and a buffer in electrical communication with the voltage sensor and configured for scaling the sampled battery voltage and outputting a voltage signal proportional to the sampled battery voltage; wherein the voltage sensor is further configured for isolating the buffer from the battery. The voltage sensor includes a first capacitor coupled to a positive potential terminal of the battery and a second capacitor coupled to a negative potential terminal of the battery. The battery sensor includes a first die including a first and second input terminal configured for coupling to the positive and negative potential terminals of the battery; and a second die including the voltage sensor, wherein the first and second die are electrically isolated from each other.
    • 提供集成电路电池传感器及其系统。 电池传感器包括电压传感器,其被配置为对电池的航行进行采样,并且缓冲器与电压传感器电连通并且被配置为缩放所采样的电池电压并输出与采样的电池电压成比例的电压信号; 其中所述电压传感器还被配置为将所述缓冲器与所述电池隔离。 电压传感器包括耦合到电池的正电位端子的第一电容器和耦合到电池的负电位端子的第二电容器。 电池传感器包括:第一管芯,其包括被配置为耦合到电池的正极和负极端子的第一和第二输入端子; 以及包括所述电压传感器的第二管芯,其中所述第一管芯和所述第二管芯彼此电隔离。
    • 54. 发明申请
    • Systems and Methods for Assessment of Non-Native Spontaneous Speech
    • 非本地自发言语评估系统与方法
    • US20100145698A1
    • 2010-06-10
    • US12628611
    • 2009-12-01
    • Lei ChenKlaus ZechnerXiaoming Xi
    • Lei ChenKlaus ZechnerXiaoming Xi
    • G10L15/14G10L15/00
    • G10L17/26G09B7/02G09B19/06G10L15/08G10L15/14G10L15/187G10L15/26
    • Computer-implemented systems and methods are provided for assessing non-native spontaneous speech pronunciation. Speech recognition on digitized speech is performed using a non-native acoustic model trained with non-native speech to generate word hypotheses for the digitized speech. Time alignment is performed between the digitized speech and the word hypotheses using a reference acoustic model trained with native-quality speech. Statistics are calculated regarding individual words and phonemes in the word hypotheses based on the alignment. A plurality of features for use in assessing pronunciation of the speech are calculated based on the statistics, an assessment score is calculated based on one or more of the calculated features, and the assessment score is stored in a computer-readable memory.
    • 提供计算机实现的系统和方法来评估非本地自发语音发音。 使用非本地语音训练的非本地声学模型来执行数字化语音的语音识别,以生成用于数字化语音的词假说。 使用使用本地质量语音训练的参考声学模型,在数字化语音和单词假设之间执行时间校准。 基于对齐方式对单词假设中的单个单词和音素进行统计。 基于统计量计算用于评估语音发音的多个特征,基于所计算的特征中的一个或多个来计算评估分数,并且将评估分数存储在计算机可读存储器中。
    • 56. 发明申请
    • PORTABLE ELECTROCARDIOGRAPH
    • 便携式电子
    • US20090299206A1
    • 2009-12-03
    • US12299178
    • 2007-02-08
    • Weihu WangLei ChenPeng Wu
    • Weihu WangLei ChenPeng Wu
    • A61B5/0404
    • A61B5/0404A61B2560/0425
    • A portable electrocardiograph, in which an exposed electrode is arranged on the end face of one end of a housing, characterized in that: the other end of the housing is of a comfortable structure for holding; the comfortable structure for holding is provided with the other exposed electrode; and the geometric center of the comfortable structure for holding is of an offset toward the other end of the housing and one of the two transverse sides, and a measuring key is arranged in the geometric center of the comfortable structure for holding. The present invention is of a humanized and unique holding structure shape, which ensures the wrist, the arm, and the trunk of the user are closed to form a relative space, thus allowing the user to measure in natural and correct posture so as to make sure the monitored data to be accurate and reliable.
    • 一种便携式心电图仪,其中暴露的电极布置在壳体的一端的端面上,其特征在于:所述壳体的另一端具有用于保持的舒适结构; 保持的舒适结构设置有另一个暴露的电极; 并且用于保持的舒适结构的几何中心朝向壳体的另一端偏移并且两个横向侧中的一个偏移,并且测量键布置在舒适结构的几何中心中用于保持。 本发明具有人性化和独特的保持结构形状,其确保使用者的手腕,手臂和躯干被封闭以形成相对空间,从而允许使用者以自然和正确的姿势进行测量,以便使 确保监控的数据准确可靠。
    • 57. 发明申请
    • Integrated Battery Voltage Sensor with High Voltage Isolation, a Battery Voltage Sensing System and Methods Therefor
    • 具有高压隔离的集成电池电压传感器,电池电压检测系统及其方法
    • US20080309317A1
    • 2008-12-18
    • US11763522
    • 2007-06-15
    • Lei ChenFun Kok ChowKok Keong Richard LumBin Zhang
    • Lei ChenFun Kok ChowKok Keong Richard LumBin Zhang
    • G01R19/00
    • H01M10/48G01R19/0084H01M10/425
    • An integrated circuit battery sensor and system thereof are provided. The battery sensor includes a voltage sensor configured to sample a voyage of a battery and a buffer in electrical communication with the voltage sensor and configured for scaling the sampled battery voltage and outputting a voltage signal proportional to the sampled battery voltage; wherein the voltage sensor is further configured for isolating the buffer from the battery. The voltage sensor includes a first capacitor coupled to a positive potential terminal of the battery and a second capacitor coupled to a negative potential terminal of the battery. The battery sensor includes a first die including a first and second input terminal configured for coupling to the positive and negative potential terminals of the battery; and a second die including the voltage sensor, wherein the first and second die are electrically isolated from each other.
    • 提供集成电路电池传感器及其系统。 电池传感器包括电压传感器,其被配置为对电池的航行进行采样,并且缓冲器与电压传感器电连通并且被配置为缩放所采样的电池电压并输出与采样的电池电压成比例的电压信号; 其中所述电压传感器还被配置为将所述缓冲器与所述电池隔离。 电压传感器包括耦合到电池的正电位端子的第一电容器和耦合到电池的负电位端子的第二电容器。 电池传感器包括:第一管芯,其包括被配置为耦合到电池的正极和负极端子的第一和第二输入端子; 以及包括所述电压传感器的第二管芯,其中所述第一管芯和所述第二管芯彼此电隔离。