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    • 5. 发明申请
    • Symbol Clock Recovery Circuit
    • 符号时钟恢复电路
    • US20120269304A1
    • 2012-10-25
    • US13417486
    • 2012-03-12
    • Massimo CiacciRemco Cornelis Herman Van De BeekGhiath Al-kadi
    • Massimo CiacciRemco Cornelis Herman Van De BeekGhiath Al-kadi
    • H04L27/06H04L7/04
    • H04L7/0334H04L7/046H04L27/22H04L2007/047
    • A symbol clock recovery circuit is provided for a data communication system using coherent demodulation. The symbol clock recovery circuit comprises an analog-to-digital converter comprising a first input for receiving a coherent-detected baseband analog signal derived from a carrier signal, a second input for receiving an adapted symbol clock signal, and an output for outputting a digital signal comprising a frame having a preamble with at least two symbols. The symbol clock recovery circuit comprises further a phase shifting unit comprising a first input for receiving a symbol clock signal derived from the carrier signal, and a timing detector, comprising a first input for receiving the digital signal from the analog-to-digital converter and an output for providing a signal comprising information about an optimum sample phase to the phase shifting unit.
    • 为使用相干解调的数据通信系统提供符号时钟恢复电路。 符号时钟恢复电路包括模数转换器,其包括用于接收从载波信号导出的相干检测的基带模拟信号的第一输入端,用于接收适配符号时钟信号的第二输入端和用于输出数字 信号包括具有至少两个符号的前同步码的帧。 符号时钟恢复电路还包括一个移相单元,包括用于接收从载波信号导出的符号时钟信号的第一输入端和定时检测器,该定时检测器包括用于从模 - 数转换器接收数字信号的第一输入端和 用于向相移单元提供包括关于最佳采样相位的信息的信号的输出。
    • 6. 发明申请
    • SYSTEM OF DEVICES OF WHICH SOME INCLUDE AN INFARED REMOTE CONTROL INTERFACE
    • 一些包含无限远的遥控接口的设备系统
    • US20110044690A1
    • 2011-02-24
    • US12937834
    • 2009-04-15
    • Ghiath Al-KadiAjay Kapoor
    • Ghiath Al-KadiAjay Kapoor
    • H04J14/00
    • H04B10/1125G08C23/04G08C2201/40
    • Infrared control signals are communicated between an infrared remote control unit (16) and an infrared controlled device (18) via network gateways (14). A sub-network of a backbone network (10) is automatically set up prior to transmission of messages. The sub-network comprises a selection of devices coupled to a backbone network (10). The setting up of the sub-network comprises automatically sending out a request from the first one of the network gateways (14) to detect network gateways (14) that indicate ability to transmit infrared control messages prior to transmission of the message and storing information defining the sub-network in the first one of the network gateways dependent to a response to the request. Subsequently, when a first infra red control signal is received from the infrared remote control unit (16) at a first one of the network gateways (14), a message is transmitted dependent on information derived from the first infrared control signal from the first one of the network gateways (14) over the backbone network (10) to the subnetwork of the selected devices. The message from the backbone network (10) is received at a second one of the network gateways (14). The second one of the network gateways (14) transmits a second infrared control signal from to the infrared controlled device (18) dependent on information derived from the message. The information in the network message may comprise sample values of the de modulated infrared control signal.
    • 红外线控制信号通过网络网关(14)在红外遥控单元(16)和红外线控制设备(18)之间通信。 在发送消息之前自动建立骨干网络(10)的子网络。 子网络包括耦合到骨干网络(10)的设备的选择。 子网络的建立包括:自动发送来自网络网关(14)中的第一个的请求,以检测网络网关(14),其指示在传输消息之前发送红外控制消息的能力,并存储定义的信息 第一个网络网关中的子网络依赖于对请求的响应。 随后,当在网络网关(14)中的第一个红外线遥控单元(16)接收到第一红外线控制信号时,根据来自第一个红外线控制信号的信息发送消息 的网络网关(14)通过骨干网(10)连接到所选择的设备的子网络。 来自骨干网络(10)的消息在第二网络网关(14)处被接收。 网络网关(14)中的第二个根据从消息导出的信息将第二红外控制信号发送到红外线控制设备(18)。 网络消息中的信息可以包括去调制的红外控制信号的采样值。
    • 7. 发明授权
    • System of devices of which some include an infared remote control interface
    • 其中一些设备的系统包括一个远程控制接口
    • US08655179B2
    • 2014-02-18
    • US12937834
    • 2009-04-15
    • Ghiath Al-KadiAjay Kapoor
    • Ghiath Al-KadiAjay Kapoor
    • H04B10/00H04B10/112
    • H04B10/1125G08C23/04G08C2201/40
    • Infrared control signals are communicated between an infrared remote control unit (16) and an infrared controlled device (18) via network gateways (14). A sub-network of a backbone network (10) is automatically set up prior to transmission of messages. The sub-network comprises a selection of devices coupled to a backbone network (10). The setting up of the sub-network comprises automatically sending out a request from the first one of the network gateways (14) to detect network gateways (14) that indicate ability to transmit infrared control messages prior to transmission of the message and storing information defining the sub-network in the first one of the network gateways dependent to a response to the request. Subsequently, when a first infra red control signal is received from the infrared remote control unit (16) at a first one of the network gateways (14), a message is transmitted dependent on information derived from the first infrared control signal from the first one of the network gateways (14) over the backbone network (10) to the subnetwork of the selected devices. The message from the backbone network (10) is received at a second one of the network gateways (14). The second one of the network gateways (14) transmits a second infrared control signal from to the infrared controlled device (18) dependent on information derived from the message. The information in the network message may comprise sample values of the demodulated infrared control signal.
    • 红外线控制信号通过网络网关(14)在红外遥控单元(16)和红外线控制设备(18)之间通信。 在发送消息之前自动建立骨干网络(10)的子网络。 子网络包括耦合到骨干网络(10)的设备的选择。 子网络的建立包括:自动发送来自网络网关(14)中的第一个的请求,以检测网络网关(14),其指示在传输消息之前发送红外控制消息的能力,并存储定义的信息 第一个网络网关中的子网络依赖于对请求的响应。 随后,当在网络网关(14)中的第一个红外线遥控单元(16)接收到第一红外线控制信号时,根据来自第一个红外线控制信号的信息发送消息 的网络网关(14)通过骨干网(10)连接到所选择的设备的子网络。 来自骨干网络(10)的消息在第二网络网关(14)处被接收。 网络网关(14)中的第二个根据从消息导出的信息将第二红外控制信号发送到红外线控制设备(18)。 网络消息中的信息可以包括解调的红外控制信号的采样值。
    • 10. 发明授权
    • Symbol clock recovery circuit
    • 符号时钟恢复电路
    • US08781051B2
    • 2014-07-15
    • US13417486
    • 2012-03-12
    • Massimo CiacciRemco Cornelis Herman van de BeekGhiath Al-kadi
    • Massimo CiacciRemco Cornelis Herman van de BeekGhiath Al-kadi
    • H04L7/00
    • H04L7/0334H04L7/046H04L27/22H04L2007/047
    • A symbol clock recovery circuit is provided for a data communication system using coherent demodulation. The symbol clock recovery circuit comprises an analog-to-digital converter comprising a first input for receiving a coherent-detected baseband analog signal derived from a carrier signal, a second input for receiving an adapted symbol clock signal, and an output for outputting a digital signal comprising a frame having a preamble with at least two symbols. The symbol clock recovery circuit comprises further a phase shifting unit comprising a first input for receiving a symbol clock signal derived from the carrier signal, and a timing detector, comprising a first input for receiving the digital signal from the analog-to-digital converter and an output for providing a signal comprising information about an optimum sample phase to the phase shifting unit.
    • 为使用相干解调的数据通信系统提供符号时钟恢复电路。 符号时钟恢复电路包括模数转换器,其包括用于接收从载波信号导出的相干检测的基带模拟信号的第一输入端,用于接收适配符号时钟信号的第二输入端和用于输出数字 信号包括具有至少两个符号的前同步码的帧。 符号时钟恢复电路还包括一个移相单元,包括用于接收从载波信号导出的符号时钟信号的第一输入端和定时检测器,该定时检测器包括用于从模 - 数转换器接收数字信号的第一输入端和 用于向相移单元提供包括关于最佳采样相位的信息的信号的输出。