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    • 2. 发明授权
    • Dynamically adjustable digital gyrator having extendable feedback for stable DC load line
    • 动态可调数字回转器具有稳定的直流负载线的可延伸反馈
    • US06888938B2
    • 2005-05-03
    • US09884040
    • 2001-06-20
    • Hong CuiLane A. Smith
    • Hong CuiLane A. Smith
    • H04M1/738H04M19/00H04M1/00
    • H04M19/001H04M1/738
    • A dynamically adjustable digital gyrator device for a telephone line interface (e.g., a DAA) utilizing extended feedback and a dynamically adjustable filter to achieve stable convergence in the control of DC line current on a telephone line a short period of time. The low pass filter of the digital gyrator includes at least two (2) different fast filter settings and at least two (2) different slow filter settings based on possible load terminations (e.g., PBX, TAS, etc.), which can be determined based on the dynamic detection of an oscillation on the line. For instance, in a disclosed example, a voice band modem system is allowed to go off-hook with a 1 Hz cutoff low pass filter, and then the output of the low pass filter is checked for an oscillation. If an oscillation is detected, then the poles and/or zeroes of the low pass filter cutoff are changed to a slower convergence rate cutoff frequency (e.g., to 0.1 Hz). As a result, the exemplary voice band modem will converge stably and quickly (e.g., in less than 1 second) before dialing begins. By controlling the DC line current digitally, software can be used to set the DC line current in accordance with predefined characteristics. Predefined characteristics can be set to accommodate varying country specifications instead of using switches to control resistors and capacitors.
    • 一种用于电话线接口(例如,DAA)的动态可调数字旋转器装置,其利用扩展反馈和可动态调节的滤波器,以在短时间内在电话线上控制DC线路电流中实现稳定的收敛。 数字回转器的低通滤波器包括至少两(2)个不同的快速滤波器设置和至少两(2)个基于可能的负载终端(例如,PBX,TAS等)的慢滤波器设置,其可以被确定 基于在线上的振荡的动态检测。 例如,在公开的示例中,允许语音频带调制解调器系统以1Hz截止低通滤波器摘机,然后检查低通滤波器的输出是否有振荡。 如果检测到振荡,则将低通滤波器截止的极点和/或零点改变为较慢的收敛速率截止频率(例如,至0.1Hz)。 结果,示例性语音频带调制解调器将在拨号开始之前稳定和快速地(例如,在不到1秒钟内)收敛。 通过数字控制直流线路电流,可以使用软件根据预定义的特性设置直流线路电流。 预定义的特性可以设置为适应不同的国家规范,而不是使用开关来控制电阻和电容。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR FORKING CALLING REQUEST TO CALLED USER ADDRESS
    • 用于呼叫请求呼叫用户地址的方法和装置
    • US20130065567A1
    • 2013-03-14
    • US13698938
    • 2010-05-20
    • Hong CuiRuteng Zhao
    • Hong CuiRuteng Zhao
    • H04W4/16H04W4/12
    • H04L65/1016H04L65/1096H04M3/42059H04M3/42263H04M3/46H04M3/465H04M7/006H04M2207/185
    • The invention provides a method and apparatus, in a network device, for forking a calling request to a first registered called user address among a plurality of registered called user addresses. The method comprises: obtaining forking-related information, the forking-related information corresponding to the public user identity code and representing a forking order relationship between at least one calling number and the plurality of registered called user addresses; receiving the calling request from a calling user equipment; determining the first registered called user address among the plurality of registered called user addresses according to the number of the calling user equipment and the forking-related information corresponding to the public user identity code; and forking the calling request to the first registered called user address. The forking scheme of a calling request for a calling number recorded in the forking-related information may be different from that of a calling number which is not recorded in the forking-related information. In this way, a specific forking scheme can be adopted for some specific numbers to thereby satisfy a personalized demand of a user.
    • 本发明提供一种网络设备中的方法和装置,用于在多个注册的被叫用户地址之间分配呼叫请求到第一注册的被叫用户地址。 所述方法包括:获得与所述公共用户身份码相对应的分支相关信息,并且表示至少一个主叫号码与所述多个登记的被叫用户地址之间的分岔订单关系的分岔相关信息; 从主叫用户设备接收呼叫请求; 根据所述主叫用户设备的号码和对应于所述公共用户身份码的所述分叉相关信息,确定所述多个注册的被叫用户地址中的所述第一注册的被叫用户地址; 并将呼叫请求转发到第一个注册的被叫用户地址。 针对与叉子相关的信息中记录的主叫号码的呼叫请求的分支方案可能不同于没有记录在分叉相关信息中的主叫号码的分支方案。 以这种方式,对于一些特定的数字可以采用特定的分叉方案,从而满足用户的个性化需求。
    • 10. 发明授权
    • Bicycle trainer
    • 自行车教练
    • US06676571B2
    • 2004-01-13
    • US10141061
    • 2002-05-09
    • Xiao Hong Cui
    • Xiao Hong Cui
    • A63B7100
    • B62M1/28B62M1/12B62M1/14
    • The bicycle trainer includes a frame having a head tube, a top tube, and a rear fork, wherein a foot bar and a front fork are mounted at a lower part of the head tube, a front part of the top tube is pivotally connected to the head tube, and the rear fork is connected to the top tube; a handle connected to the front fork of the frame and properly connected to the front fork; a front wheel and a rear wheel pivotally connected to front wheel and rear wheel; and a flexible device connecting the frame with a rear pivot shaft at one side of the rear wheel, wherein the flexible device drive the rear wheel to rotate and is recovered by using a swirling spring installed at the other side of the rear wheel.
    • 自行车训练器包括具有头管,顶管和后叉的框架,其中脚杆和前叉安装在头管的下部,顶管的前部枢转地连接到 头管和后叉连接到顶管; 手柄连接到框架的前叉并正确地连接到前叉; 可转动地连接到前轮和后轮的前轮和后轮; 以及柔性装置,其将框架与后轮的一侧的后枢轴连接,其中,柔性装置驱动后轮旋转,并且通过使用安装在后轮的另一侧的旋转弹簧来回收。