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    • 82. 发明授权
    • Methods, systems, and apparatus to synchronize actions of audio source monitors
    • 用于同步音频源监视器的动作的方法,系统和装置
    • US08855101B2
    • 2014-10-07
    • US12968677
    • 2010-12-15
    • Jie Chen
    • Jie Chen
    • H04J3/06G01S11/14H04N21/442G01S5/18
    • G01S11/14G01S5/18H04N21/44218
    • Systems, methods, articles of manufacture and apparatus are disclosed to align actions of audio source monitors. An example method disclosed herein includes invoking an audience monitor to transmit a radio frequency (RF) initialization packet to a base unit, receiving an indication that the base unit has received the RF initialization packet at a first time, and invoking the base unit to transmit an RF acknowledgement packet to the audience monitor. The example method also includes receiving an indication that the RF acknowledgement packet is received by the audience monitor and waiting for an end to a delay period having a first value, identifying whether the audience monitor has finished processing the RF acknowledgement packet when the delay period ends at a second time, and incrementing the delay period to a second value when the audience monitor is still processing the RF acknowledgement packet and the delay period has ended.
    • 公开了系统,方法,制品和装置以对准音频源监视器的动作。 本文公开的示例性方法包括:调用观众监视器将射频(RF)初始化包发送到基本单元,接收基本单元在第一时间接收到RF初始化包的指示,并且调用基本单元发送 一个RF确认包给观众监视。 示例性方法还包括:接收观众监视器接收RF确认分组并等待结束具有第一值的延迟时段的指示,当延迟周期结束时,识别观众监视器是否完成了RF确认分组的处理 并且当观众监视器仍在处理RF确认分组并且延迟时段已经结束时,将延迟周期递增到第二值。
    • 84. 发明授权
    • System for FEXT cancellation of multi-channel transceivers with precoding
    • 用于具有预编码的多通道收发器的FEXT取消系统
    • US08699551B2
    • 2014-04-15
    • US12806556
    • 2010-08-16
    • Jie ChenKeshab K. Parhi
    • Jie ChenKeshab K. Parhi
    • H04L5/16
    • H04L25/03343H04L25/03057
    • The present invention relates to data processing techniques in multi-channel data transmission systems. In this invention, a novel approach is proposed to deal with FEXT interferences in the application of high/ultra-high speed Ethernet systems. Compared with the traditional FEXT cancellation approaches, the proposed FEXT canceller can deal with the non-causal part of FEXT, and thus can achieve better cancellation performance. Instead of using the conventional DFE, structure, TH precoding technique is incorporated into the proposed design to alleviate the error propagation problem. The resulting FEXT cancellers do not contain feedback loops which makes the high speed VLSI implementation easy. A modified design is also developed by using a finite signal as the input to the FEXT canceller such that the hardware complexity of the proposed FEXT canceller can be reduced.
    • 本发明涉及多通道数据传输系统中的数据处理技术。 在本发明中,提出了一种新颖的方法来处理高/超高速以太网系统的应用中的FEXT干扰。 与传统的FEXT取消方法相比,提出的FEXT消除器可以处理FEXT的非因果部分,从而可以实现更好的取消性能。 代替使用常规的DFE,结构,TH预编码技术被并入所提出的设计中以减轻误差传播问题。 所产生的FEXT消除器不包含使得高速VLSI实现变得容易的反馈回路。 还通过使用有限信号作为FEXT消除器的输入来开发修改的设计,使得可以减少所提出的FEXT消除器的硬件复杂性。
    • 85. 发明授权
    • Ventilation airflow rate control
    • 通风量控制
    • US08672733B2
    • 2014-03-18
    • US11703518
    • 2007-02-06
    • Jie ChenAaron D. HerzonAllan J. ReifelYi Chen
    • Jie ChenAaron D. HerzonAllan J. ReifelYi Chen
    • F24F11/00F24F11/02F24F7/00
    • F04D27/004F24F11/77
    • Airflow rates within a ventilation system are controlled using motor speed or torque and motor electric current or pressure. Fan speed or torque may be varied to compensate for differing restriction in ductwork, and may provide a constant airflow rate over a range of varying airflow restriction. Air handlers or air conditioning units may be mass produced in common configurations, and installed in different buildings or structures with different ductwork configurations. Methods operate a fan motor at a present speed or torque, sample speed or torque, sample current of the fan motor or pressure within the ventilation system, calculate a present airflow rate within the ventilation system, calculate a new input setting using the present airflow rate and a target airflow rate, change the speed or torque to the new input setting, and repeat these steps to converge on the target airflow rate, often avoiding overshoot.
    • 通风系统内的气流速率可通过电机转速或转矩,电机电流或压力进行控制。 可以改变风扇速度或扭矩以补偿管道系统中的不同限制,并且可以在变化的气流限制的范围内提供恒定的气流速率。 空气处理机或空调机可以通常配置大量生产,并安装在具有不同管道结构的不同建筑物或结构中。 方法以当前速度或扭矩,采样速度或扭矩,风扇电机的采样电流或通风系统内的压力来操作风扇电机,计算通风系统内的当前气流速率,使用当前气流速率计算新的输入设置 和目标气流速率,将速度或扭矩改变到新的输入设置,并重复这些步骤以收敛于目标气流速率,通常避免过冲。