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    • 16. 发明授权
    • Low cost and robust receiver architecture for down link carrier aggregation
    • 低成本和强大的接收机架构,用于下行链路载波聚合
    • US09197381B2
    • 2015-11-24
    • US13919868
    • 2013-06-17
    • Broadcom Corporation
    • Masoud KahriziBernd PregardierJohn Cumming Leete
    • H04L5/00H04J1/10H04L27/00
    • H04L5/00H04J1/10H04L5/001H04L27/00
    • Various configurations and arrangements of systems and methods for providing multi-carrier aggregation are described. A system in accordance with the disclosure can include a first mixer configured to receive a first signal in a first frequency band, a second mixer configured to receive a second signal in a second frequency band, a third mixer configured to receive the second signal in the second frequency band, and a fourth mixer configured to receive a third signal in a third frequency band. The system can further include a controller configured to selectively activate one of the first mixer and the second mixer, and selectively activate one of the third mixer and the fourth mixer.
    • 描述了用于提供多载波聚合的系统和方法的各种配置和布置。 根据本公开的系统可以包括配置为在第一频带中接收第一信号的第一混频器,被配置为在第二频带中接收第二信号的第二混频器,被配置为在第二频带中接收第二信号的第三混频器 以及配置成在第三频带中接收第三信号的第四混频器。 该系统还可以包括控制器,其被配置为选择性地激活第一混合器和第二混合器之一,并且选择性地激活第三混合器和第四混合器中的一个。
    • 18. 发明授权
    • Hydrostatic transaxle
    • 静水驱动桥
    • US07690470B2
    • 2010-04-06
    • US11737076
    • 2007-04-18
    • Koji IwakiNorihiro IshiiFumitoshi Ishino
    • Koji IwakiNorihiro IshiiFumitoshi Ishino
    • B60K17/30
    • B62D7/18B60K17/043B60K17/30B60Y2200/223B62D3/02B62D9/002B62D11/001B62D11/06F16H39/14
    • A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle.
    • 静压驱动桥包括:电动机壳体; 设置在所述电动机壳体中的至少一个液压马达; 至少一个输出轴,设置在所述马达壳体中,以被所述至少一个液压马达驱动; 以及一对可转动的轮支撑单元,其附接到马达壳体的相应的相对端。 每个可转向轮支撑单元包括一个轴,可转向的壳体,轮子和转向臂。 在每个可转向的车轮支撑单元中,轴被驱动地连接到至少一个输出轴,可转向的壳体相对于电动机壳体基本水平地可旋转,车轮附接在轴的外端, 壳体,并且转向臂可旋转地一体地设置在可转向的壳体上。 静液压驱动桥进一步包括一对连接杆,用于将可转向轮支撑单元的转向臂连接到从静压驱动桥向前或向后间隔的转向操作机构的公共旋转构件。
    • 19. 发明授权
    • Bit error concealment methods for speech coding
    • 用于语音编码的位错误隐藏方法
    • US07406411B2
    • 2008-07-29
    • US10222933
    • 2002-08-19
    • Juin-Hwey Chen
    • Juin-Hwey Chen
    • G10L21/00G10L21/02
    • G10L19/005H03M13/47
    • A system and method of concealing bit errors in a signal are provided. An exemplary method detects bit errors in an input signal having at least a current signal segment and a previous signal segment. The previous signal segment has a log-gain value qlg(m−1) and immediately precedes the current signal segment. The method comprises estimating a level lvl(m−1) of the input signal and determining a log-gain value qlg(m) of the current signal segment within the input signal. The method also comprises determining a difference between the gain value of the current signal segment and the previous signal segment and determining whether the difference exceeds a threshold. wherein the threshold is adaptive to the input signal level.
    • 提供了一种隐藏信号中位错误的系统和方法。 示例性方法检测具有至少当前信号段和先前信号段的输入信号中的位错误。 先前的信号段具有对数增益值qlg(m-1),并且紧邻当前信号段。 该方法包括估计输入信号的电平lv1(m-1),并确定输入信号内当前信号段的对数增益值qlg(m)。 该方法还包括确定当前信号段的增益值与先前信号段之间的差值,并确定该差是否超过阈值。 其中所述阈值适应于所述输入信号电平。