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    • 2. 发明授权
    • 2-way speaker with coaxial effect
    • 双向扬声器同轴效应
    • US09578403B2
    • 2017-02-21
    • US14913342
    • 2014-08-20
    • Chang-Soo Lim
    • Chang-Soo Lim
    • H04R1/28H04R1/02H04R1/24H04R1/26
    • H04R1/023H04R1/06H04R1/24H04R1/26H04R1/2896
    • A speaker design technology acquires a coaxial effect of an output sound by placing a high-frequency speaker for outputting a high-pitched sound apart from a low-frequency speaker for outputting a low-pitched sound by a predetermined distance and mechanically arranging output points of the high-frequency speaker and the low-frequency speaker in alignment with each other. The speaker design technology lets vibration of a low-frequency speaker to avoid interference by the high-frequency speaker and also lets the high-frequency speaker to avoid interference by the vibration of the low-frequency speaker by arranging the high-frequency speaker in front of a dust cap necessarily installed in the center of the low-frequency speaker. Since the high-frequency speaker and the low-frequency speaker are spaced apart from each other so as to independently operate, any interface is not required for enabling the high-frequency and the low-frequency speakers to interwork with each other.
    • 扬声器设计技术通过放置用于输出高频扬声器的高频扬声器来获得输出声音的同轴效应,所述高频扬声器用于从低频扬声器输出低音扬声器预定距离,并机械地布置输出点 高频扬声器和低频扬声器彼此对准。 扬声器设计技术使低频扬声器的振动能够避免高频扬声器的干扰,并使高频扬声器能够通过将高频扬声器布置在前面来避免低频扬声器的振动的干扰 防尘帽必须安装在低频扬声器的中心。 由于高频扬声器和低频扬声器彼此间隔开以独立地操作,所以不需要任何界面来使高频扬声器和低频扬声器彼此相互配合。
    • 4. 发明授权
    • Method and apparatus for tracking location of user equipment by using integrated GPS and TDOA scheme
    • 通过使用集成GPS和TDOA方案跟踪用户设备位置的方法和装置
    • US07446701B2
    • 2008-11-04
    • US11270735
    • 2005-11-10
    • Byung-Jun ParkChang-Soo Lim
    • Byung-Jun ParkChang-Soo Lim
    • G01S5/00G01S1/00
    • G01S19/48
    • A method and an apparatus for tracking a location of a UE by using an integrated GPS and TDOA scheme in a mobile communication network are provided. A GPS position solution of the UE is obtained using GPS code information. TDOA position solutions are obtained using pilot signal transmission times of BSs and pilot signal reception times of the UE, and an average value of the TDOA position solutions is calculated. The GPS position solution is subtracted from the average to obtain a position error value, and an iterative method using a least square method is performed for the position error value to correct the position error. The corrected position error value is added to the average value of the TDOA position solutions to obtain a more precise position solution.
    • 提供了一种通过在移动通信网络中使用集成GPS和TDOA方案来跟踪UE的位置的方法和装置。 使用GPS码信息获取UE的GPS位置解。 使用BS的导频信号发送时间和UE的导频信号接收时间获得TDOA位置解,并计算TDOA位置解的平均值。 从平均值中减去GPS位置解,以获得位置误差值,并对位置误差值执行使用最小二乘法的迭代方法来校正位置误差。 将校正的位置误差值加到TDOA位置解的平均值,以获得更精确的位置解。
    • 5. 发明申请
    • Method and apparatus for tracking location of user equipment by using integrated GPS and TDOA scheme
    • 通过使用集成GPS和TDOA方案跟踪用户设备位置的方法和装置
    • US20060232466A1
    • 2006-10-19
    • US11270735
    • 2005-11-10
    • Byung-Jun ParkChang-Soo Lim
    • Byung-Jun ParkChang-Soo Lim
    • G01S1/00
    • G01S19/48
    • A method and an apparatus for tracking a location of a UE by using an integrated GPS and TDOA scheme in a mobile communication network are provided. A GPS position solution of the UE is obtained using GPS code information. TDOA position solutions are obtained using pilot signal transmission times of BSs and pilot signal reception times of the UE, and an average value of the TDOA position solutions is calculated. The GPS position solution is subtracted from the average to obtain a position error value, and an iterative method using a least square method is performed for the position error value to correct the position error. The corrected position error value is added to the average value of the TDOA position solutions to obtain a more precise position solution.
    • 提供了一种通过在移动通信网络中使用集成GPS和TDOA方案来跟踪UE的位置的方法和装置。 使用GPS码信息获取UE的GPS位置解。 使用BS的导频信号发送时间和UE的导频信号接收时间获得TDOA位置解,并计算TDOA位置解的平均值。 从平均值中减去GPS位置解,以获得位置误差值,并对位置误差值执行使用最小二乘法的迭代方法来校正位置误差。 将校正的位置误差值加到TDOA位置解的平均值,以获得更精确的位置解。
    • 7. 发明授权
    • Asynchronous transfer mode (ATM) traffic control apparatus and control method for handling a wide variety of ATM services
    • 用于处理各种ATM业务的异步传输模式(ATM)业务控制装置和控制方法
    • US06175554B1
    • 2001-01-16
    • US09066927
    • 1998-04-28
    • Wook-Jin JangChang-Soo Lim
    • Wook-Jin JangChang-Soo Lim
    • G01R3108
    • H04M15/00H04L12/5601H04L47/10H04L47/12H04L47/24H04L47/263H04L2012/5679H04L2012/5681H04L2012/5683H04M15/58H04M15/8207H04M2215/0188H04M2215/22H04M2215/7813Y02D50/10
    • An ATM traffic control apparatus and method for adaptively controlling ATM traffics. The ATM traffic control apparatus includes an output buffer for storing traffics generated by a plurality of traffic sources; traffic predictors of neural networks for generating predicted traffic values designating the number of cells which is expected to arrive during a future time slot, by adaptively learning the number of cells received during a setting time slot; a decision gate for deciding whether call congestion will happen by using predicted traffic values, an available buffer size of the output buffer and the number of cells to be transmitted during a setting time slot, and for generating the number of cells which can not be processed during a future time slot when it is decided that the congestion will happen; and a traffic controller of an expert system for calculating an optimal flow rate of each traffic source to control the congestion of the output buffer, by using service rates of the traffic sources, traffic types, peak bit rates, predicted traffic values, and the number of cells which can not be processed in the output buffer.
    • 一种用于自适应地控制ATM业务的ATM业务控制装置和方法。 ATM业务控制装置包括用于存储由多个业务源产生的业务的输出缓冲器; 通过自适应地学习在设置时隙期间接收到的小区的数量,生成预测的业务量的业务预测器,用于指定期望在未来时隙期间到达的小区的数量; 用于通过使用预测的流量值,输出缓冲器的可用缓冲器大小和在设置时隙期间要发送的单元的数量来决定是否发生呼叫拥塞的决策门,以及用于生成不能被处理的小区数量 在未来的时间段,当决定发生拥堵时; 以及专家系统的流量控制器,用于通过使用流量源的服务速率,流量类型,峰值比特率,预测的流量值和数量来计算每个流量源的最优流量以控制输出缓冲器的拥塞 不能在输出缓冲区中处理的单元格。