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    • 1. 发明申请
    • WIRELESS SPEAKER DEVICE AND WIRELESSLY MULTI-CHANNEL AUDIO SYSTEM THEREOF
    • 无线扬声器设备及其无线多频道音频系统
    • US20150055781A1
    • 2015-02-26
    • US14302344
    • 2014-06-11
    • Yu-Wen CHEN
    • Yu-Wen CHEN
    • H04R5/04
    • H04R5/04H04R2420/07
    • A wireless speaker device includes a speaker module, a processing module, a wireless module and a control module. The processing module may receive the mate signal sent by the adjacent wireless speaker device through the wireless module or send the mate signal sent to the adjacent wireless speaker device through the wireless module to establish a wireless multi-channel audio system. Therefore, the connections of the wireless speaker devices within the wireless multi-channel audio system are simplified. Ans the cost time to mate for connection is reduced. Also, the connection is automated to be convenient for users to operate.
    • 无线扬声器装置包括扬声器模块,处理模块,无线模块和控制模块。 处理模块可以通过无线模块接收由相邻的无线扬声器装置发送的配对信号,或通过无线模块发送发送到相邻的无线扬声器装置的配对信号,以建立无线多声道音频系统。 因此,无线多声道音频系统内的无线扬声器装置的连接被简化。 考虑连接成本的时间缩短。 此外,连接自动化,方便用户操作。
    • 3. 发明申请
    • ARITHMETIC MODULE, DEVICE AND SYSTEM
    • 算术模块,设备和系统
    • US20130311529A1
    • 2013-11-21
    • US13611146
    • 2012-09-12
    • Chih-Wei LiuKuo-Chiang ChangShih-Hao OuYu-Wen Chen
    • Chih-Wei LiuKuo-Chiang ChangShih-Hao OuYu-Wen Chen
    • G06F7/00
    • G06F7/527
    • An arithmetic module is provided, including a first adder, a first shifter coupled to the first adder, a multiplier coupled to the first shifter for receiving an external coefficient signal, a digit alignment unit coupled to the multiplier, a second adder coupled to the digit alignment unit, and a second shifter coupled to the second adder. The arithmetic module reduces the overall computation time effectively, as compared with a scalar processor, by employing a serial data connection design, and also significantly reduces power consumption of the digital signal processor by requiring fewer input and output ends than those of a multi-issue processor.
    • 提供了一种算术模块,包括第一加法器,耦合到第一加法器的第一移位器,耦合到第一移位器的乘法器,用于接收外部系数信号,耦合到乘法器的数字对准单元,耦合到数字的第二加法器 对准单元和耦合到第二加法器的第二移位器。 与标量处理器相比,算术模块通过采用串行数据连接设计,有效地减少了总体计算时间,并且通过要求比多问题的输入和输出端要求更少的输入和输出端,还可显着降低数字信号处理器的功耗 处理器。
    • 8. 发明申请
    • GROUP AUTHENTICATION METHOD
    • 集团认证方法
    • US20090054036A1
    • 2009-02-26
    • US12025771
    • 2008-02-05
    • Yu-Wen ChenJui-Tang WangChien-Chao Tseng
    • Yu-Wen ChenJui-Tang WangChien-Chao Tseng
    • H04M1/66
    • H04L9/0869H04L9/0833H04L9/3242H04L63/065H04L2209/80H04W12/04H04W12/06
    • A group authentication method adaptable to a communication system is disclosed. The communication system includes a user group, a serving network, and a home network. The user group includes at least one mobile station. The home network pre-distributes a group authentication key to itself and all the mobile stations in the same user group and generates a mobile station authentication key for each mobile station. The home network generates a group list for recording related information of the user group. The home network has a database for recording the group list. The serving network has a database for recording the group list and a group authentication data received from the home network. The group authentication method includes following steps. The serving network performs an identification action to a mobile station. The communication system performs a full authentication action or a local authentication action according to the result of the identification action.
    • 公开了适用于通信系统的组认证方法。 通信系统包括用户组,服务网络和家庭网络。 用户组包括至少一个移动台。 家庭网络将组认证密钥预先分配给自身和同一用户组中的所有移动台,并为每个移动台生成移动台认证密钥。 家庭网络生成用于记录用户组的相关信息的组列表。 家庭网络具有用于记录组列表的数据库。 服务网络具有用于记录组列表的数据库和从家庭网络接收的组认证数据。 组认证方法包括以下步骤。 服务网络向移动台执行识别动作。 通信系统根据识别动作的结果进行完整的认证动作或本地认证动作。