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    • 23. 发明授权
    • Synchronization scheme for digital communications systems transporting
data at a customer-controlled rate
    • 以客户控制的速率传输数据的数字通信系统的同步方案
    • US5521949A
    • 1996-05-28
    • US891500
    • 1992-05-29
    • Gang HuangJean-Jacques Werner
    • Gang HuangJean-Jacques Werner
    • H04B3/23H04L27/34H04L23/00H04L5/12
    • H04L27/3455
    • A synchronization scheme for bidirectional data applications where the customer supplies data for transmission at a rate which is customer controlled. In accordance with the present invention, in each transmission direction, the customer data is converted into data symbols in a predetermined constellation. In response to these data symbols, additional symbols are added. In the disclosed embodiment, the additional symbols added are symbols lying outside of the constellation and are not used to represent customer data. The additional symbols added raise the symbol rate in each transmission direction to one higher than that provided by the symbols representative of the customer data alone. This higher symbol rate in each transmission direction is preferably the same, or the higher symbol rate in one direction is related to the higher symbol rate in the other direction by a rational number. At each receiver, the additional symbols are removed and customer data is recovered from its representative data symbols.
    • 用于双向数据应用的同步方案,其中客户以用户控制的速率提供用于传输的数据。 根据本发明,在每个传输方向上,客户数据被转换成预定星座中的数据符号。 响应于这些数据符号,添加附加符号。 在所公开的实施例中,添加的附加符号是位于星座之外的符号,并且不用于表示客户数据。 添加的附加符号将每个传输方向的符号速率提高到比代表客户数据的符号提供的符号速率高一个。 每个发送方向上的这种较高的符号率优选相同,或者一个方向上较高的符号率与另一个方向上的较高符号率相关联。 在每个接收机处,除去附加符号并从其代表数据符号恢复客户数据。
    • 24. 发明授权
    • Crosstalk suppression technique
    • 串扰抑制技术
    • US5483551A
    • 1996-01-09
    • US100584
    • 1993-07-30
    • Gang HuangGi-Hong ImJean-Jacques Werner
    • Gang HuangGi-Hong ImJean-Jacques Werner
    • H04M1/74H04B3/20H04B3/23H04B7/015H04B1/38H04L5/16
    • H04B3/23
    • To reduce near-end crosstalk (NEXT) in systems possessing excess bandwidth, a signal is transmitted from a first to a second location. At the second location, the received signal is examined and a characteristic of this signal is determined while the delay provided in the transmit signal path at this location is varied. Based on this examination, a particular amount of delay is introduced into the transmit signal path which reduces NEXT. This process is repeated for each direction of transmission. In the disclosed embodiment, the characteristic of the received signal which is determined is the mean square error and the amount of delay selected is that corresponding to the minimum mean square error.
    • 为了减少具有超额带宽的系统中的近端串扰(NEXT),信号从第一位置传输到第二位置。 在第二位置,检测接收到的信号,并且确定该信号的特性,同时在该位置处的发送信号路径中提供的延迟是变化的。 基于该检查,将特定量的延迟引入到减少NEXT的发送信号路径中。 对于每个传输方向重复该过程。 在所公开的实施例中,确定的接收信号的特性是均方误差,所选择的延迟量是对应于最小均方误差。
    • 25. 发明授权
    • Computer-aided learning system and method with adaptive optimization
    • 计算机辅助学习系统和自适应优化方法
    • US08838016B2
    • 2014-09-16
    • US12953724
    • 2010-11-24
    • Haiqing WeiGang HuangJuhua Mao
    • Haiqing WeiGang HuangJuhua Mao
    • G09B3/00G09B7/00
    • G09B7/00
    • A computer-aided learning system with adaptive optimization is disclosed. The system may comprise a storage module configured for storing learning data; a man-machine interface configured for providing the learning data to at least one learner; an information collection module configured for tracking and recording an interactive learning process; a learning process analysis module configured for receiving the interactional learning process provided by the information collection module, the learning process analysis module further configured for analyzing the interactional learning process and forming a control signal; and a learning strategy generation module configured for receiving the control signal from the learning process analysis module, the learning strategy generation module further configured for generating a learning strategy signal based on the control signal; wherein the man-machine interface is configured to provide the learning data to the at least one learner based on the learning strategy signal.
    • 公开了一种具有自适应优化的计算机辅助学习系统。 该系统可以包括被配置为存储学习数据的存储模块; 人机界面,被配置为将学习数据提供给至少一个学习者; 信息收集模块,被配置为跟踪和记录交互式学习过程; 学习过程分析模块,被配置为接收由所述信息收集模块提供的交互学习过程,所述学习过程分析模块还被配置用于分析所述交互学习过程并形成控制信号; 以及学习策略生成模块,被配置为从所述学习处理分析模块接收所述控制信号,所述学习策略生成模块还被配置为基于所述控制信号生成学习策略信号; 其中所述人机界面被配置为基于所述学习策略信号将所述学习数据提供给所述至少一个学习者。
    • 26. 发明授权
    • Housing for electronic device and method of making the housing
    • 电子设备外壳和外壳制作方法
    • US08241480B2
    • 2012-08-14
    • US12563246
    • 2009-09-21
    • Gang HuangYan-Min WangQiang Wang
    • Gang HuangYan-Min WangQiang Wang
    • C25D5/02B01D57/02
    • C25D13/04C25D5/56C25D13/14C25D13/20H05K5/0243
    • A method of making a housing, comprising the steps of: providing a transparent plastic substrate, the substrate having an outer surface and an inner surface; coating at least portions of the outer surface with a photosensitizer; activating the substrate by using an energy ray to irradiate areas of the outer surface covered with the photosensitizer to form a conductive medium layer thereon; electroplating the activated substrate, an electroplated coating formed on the irradiated area in a predetermined pattern; forming an electrophoretic coating on the surface of the electroplated coating by an electrophoresis process; and forming a paint coating on the inner surface of the substrate. A housing made by the present method is provided.
    • 一种制造壳体的方法,包括以下步骤:提供透明塑料基底,所述基底具有外表面和内表面; 用光敏剂涂覆外表面的至少部分; 通过使用能量射线来照射被光敏剂覆盖的外表面的区域来激活基板,以在其上形成导电介质层; 电镀活化的基底,以预定图案形成在照射区域上的电镀涂层; 通过电泳方法在电镀涂层的表面上形成电泳涂层; 并在基材的内表面上形成涂料。 提供了通过本方法制成的壳体。
    • 27. 发明申请
    • LOW JITTER RF DISTRIBUTION SYSTEM
    • 低抖动射频分配系统
    • US20110123200A1
    • 2011-05-26
    • US12625135
    • 2009-11-24
    • RUSSELL WILCOXLawrence DoolittleGang Huang
    • RUSSELL WILCOXLawrence DoolittleGang Huang
    • H04L7/00H04B10/00
    • H04L7/0075H04B10/2575H04L7/0008
    • A timing signal distribution system includes an optical frequency stabilized laser signal amplitude modulated at an rf frequency. A transmitter box transmits a first portion of the laser signal and receive a modified optical signal, and outputs a second portion of the laser signal and a portion of the modified optical signal. A first optical fiber carries the first laser signal portion and the modified optical signal, and a second optical fiber carries the second portion of the laser signal and the returned modified optical signal. A receiver box receives the first laser signal portion, shifts the frequency of the first laser signal portion outputs the modified optical signal, and outputs an electrical signal on the basis of the laser signal. A detector at the end of the second optical fiber outputs a signal based on the modified optical signal. An optical delay sensing circuit outputs a data signal based on the detected modified optical signal. An rf phase detect and correct signal circuit outputs a signal corresponding to a phase stabilized rf signal based on the data signal and the frequency received from the receiver box.
    • 定时信号分配系统包括以rf频率幅度调制的光频稳定激光信号。 发射机箱传输激光信号的第一部分并接收修改的光信号,并输出激光信号的第二部分和修改的光信号的一部分。 第一光纤携带第一激光信号部分和修改的光信号,第二光纤承载激光信号的第二部分和返回的修改光信号。 接收箱接收第一激光信号部分,使第一激光信号部分的频率偏移输出修改的光信号,并且基于激光信号输出电信号。 在第二光纤端部的检测器基于修改的光信号输出信号。 光延迟检测电路基于检测到的修改光信号输出数据信号。 rf相位检测和正确信号电路基于数据信号和从接收盒接收的频率输出与相位稳定的rf信号对应的信号。