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    • 82. 发明授权
    • Amplifying apparatus for a mobile station receiver and method for controlling the same
    • 移动台接收机的放大装置及其控制方法
    • US06496072B2
    • 2002-12-17
    • US09752707
    • 2000-12-28
    • Seung-Ki ChoYong-Seong JeongSang-Yong YangWoo-Yong LeeJae-Min Lee
    • Seung-Ki ChoYong-Seong JeongSang-Yong YangWoo-Yong LeeJae-Min Lee
    • H03G310
    • H03G1/0088
    • An amplifying apparatus for a mobile station receiver is disclosed. A low-noise amplifier amplifies a received signal to a preset level. A controller detects a level of a signal corresponding to a first frame of the received signal output from the low-noise amplifier, and generates a control voltage according to the detected level. An attenuation determining resistor determines an attenuation of the received signal. A first switching element is connected in series to the attenuation determining resistor, and is turned ON according to the control voltage so as to attenuate the received signal through the attenuation determining resistor. An impedance compensation resistor is connected in parallel to the attenuation determining resistor, and compensates for a decrease in an impedance due to turn-ON of the first switching element. Further, a second switching element is connected in parallel to the impedance compensation resistor and the first switching element. The second switching element is turned ON according to the control voltage so as to provide the received signal to the low-noise amplifier without attenuation.
    • 公开了一种用于移动台接收机的放大装置。 低噪声放大器将接收到的信号放大到预设电平。 控制器检测对应于从低噪声放大器输出的接收信号的第一帧的信号的电平,并且根据检测到的电平产生控制电压。 衰减确定电阻器确定接收信号的衰减。 第一开关元件与衰减确定电阻器串联连接,并根据控制电压导通,以便衰减通过衰减确定电阻器的接收信号。 阻抗补偿电阻并联连接到衰减确定电阻器,并且补偿由于第一开关元件导通引起的阻抗的降低。 此外,第二开关元件并联连接到阻抗补偿电阻器和第一开关元件。 第二开关元件根据控制电压导通,以将接收的信号提供给低噪声放大器而不衰减。
    • 85. 发明授权
    • Method and system for isochronous data stream management in high speed audio/video networks
    • 高速音频/视频网络中同步数据流管理的方法和系统
    • US09003466B2
    • 2015-04-07
    • US13091019
    • 2011-04-20
    • Harkirat SinghIlju NaJae Min LeeChiu Ngo
    • Harkirat SinghIlju NaJae Min LeeChiu Ngo
    • H04N7/173H04N21/2381H04N21/438H04N21/643
    • H04N21/2381H04N21/4381H04N21/643
    • A method and system for isochronous data stream management in high speed audio/video networks. One implementation comprises isochronous communication management between audio/video (AV) devices by maintaining forwarding information for forwarding data between AV devices, wherein each AV device includes multiple I/O ports for connecting the AV device to another AV device via a communication link including multiple communication lanes. The forwarding information is utilized to communicate AV path set-up request and response control messages between a source AV device and a destination AV device via said communication link, and allocating isochronous communication resources for AV data streaming, for establishing AV path streams for bi-directional isochronous AV data streaming between the source and destination AV devices.
    • 一种用于高速音频/视频网络中等时数据流管理的方法和系统。 一种实现方式包括通过维护用于AV设备之间转发数据的转发信息的音频/视频(AV)设备之间的等时通信管理,其中每个AV设备包括用于经由包括多个的通信链路的AV设备将AV设备连接到另一个AV设备的多个I / O端口 通讯通道 转发信息用于经由所述通信链路在源AV设备和目的地AV设备之间传送AV路径建立请求和响应控制消息,并且为AV数据流分配等时通信资源,用于建立用于双向通信的AV路径流, 在源和目的地AV设备之间定向同步AV数据流。