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    • 112. 发明授权
    • Disk drive computing data center off-track from repeatable runout of write servo track and read servo track
    • 磁盘驱动器计算数据中心从写入伺服轨迹和读取伺服轨迹的可重复跳动偏离轨迹
    • US07961422B1
    • 2011-06-14
    • US12388644
    • 2009-02-19
    • Min ChenLi YiDuc T. Phan
    • Min ChenLi YiDuc T. Phan
    • G11B5/596
    • G11B5/59627
    • A disk drive is disclosed comprising a disk having a plurality of servo tracks that define a plurality of data tracks, and a head actuated over the disk by a voice coil motor (VCM), wherein the head comprises a read element offset radially from a write element. The read element is positioned over a first servo track and the write element is positioned over a second servo track, and a first repeatable runout (RRO) of the first servo track is measured. The read element is positioned over the second servo track, and a second RRO of the second servo track is measured. A data center off-track is computed in response to the first RRO and the second RRO.
    • 公开了一种磁盘驱动器,其包括具有限定多个数据磁道的多个伺服磁道的盘,以及由音圈电机(VCM)在盘上驱动的磁头,其中磁头包括从写入放射偏离的读取元件 元件。 读取元件位于第一伺服轨道之上,并且写入元件位于第二伺服轨道上,并且测量第一伺服轨道的第一可重复跳动(RRO)。 读取元件位于第二伺服轨道上,并且测量第二伺服轨道的第二RRO。 响应于第一RRO和第二RRO计算数据中心离轨。
    • 113. 发明申请
    • Video data processing
    • 视频数据处理
    • US20090278937A1
    • 2009-11-12
    • US12386693
    • 2009-04-22
    • Ralf BotchenDaniel WeiskopfThomas ErtlMin Chen
    • Ralf BotchenDaniel WeiskopfThomas ErtlMin Chen
    • G06T11/20H04N5/225
    • G06T11/00G06K9/00771G06T7/20G06T2207/10016
    • An embodiment of the present invention relates to systems and methods for dynamically detecting and visualizing actions and/or events in video data streams. In one embodiment, a method involves dynamically detecting and extracting objects and attributes relating to the objects from a video data stream by using action recognition filtering for attribute detection and time series analysis for relation detection among the extracted objects. In addition, the method may involve dynamically generating a multi-field video visualization along a time axis by depicting the video data stream as a series of frames at a relatively sparse or dense interval, and by continuously rendering the attributes relating to the objects with substantially continuous abstract illustrations. Finally, a method may also involve dynamically combining detection, and extraction of objects and combining with multi-field visualization in a video perpetuo gram (VPG), which may show a video stream in parallel, and which allows for real-time display and interaction.
    • 本发明的实施例涉及用于动态地检测和可视化视频数据流中的动作和/或事件的系统和方法。 在一个实施例中,一种方法包括通过使用用于属性检测的动作识别过滤和提取的对象之间的关系检测的时间序列分析来动态地检测和提取与视频数据流相关的对象和属性。 此外,该方法可以包括通过将视频数据流描绘为相对稀疏或密集间隔的一系列帧来动态地生成沿着时间轴的多视场视频可视化,并且通过连续呈现与物体相关的属性 连续的抽象插图。 最后,一种方法还可以包括动态地组合检测和提取对象,并结合视频永久化(VPG)中的多场可视化,其可以并行地显示视频流,并且允许实时显示和交互 。
    • 114. 发明申请
    • AMPLIFIER CIRCUIT HAVING STACKED MAIN AMPLIFIER AND PARALLEL SUB-AMPLIFIER
    • 具有堆叠主放大器和并联放大器的放大器电路
    • US20090189695A1
    • 2009-07-30
    • US12022159
    • 2008-01-30
    • Jie-Wei LaiMin Chen
    • Jie-Wei LaiMin Chen
    • H03F3/68
    • H03F1/223H03F1/26H03F1/3205H03F3/211H03F2200/294
    • An amplifier circuit for amplifying an input signal to generate an output signal is provided. The amplifier circuit has a stacked main amplifier, a parallel sub-amplifier, and a signal combiner. The stacked main amplifier includes a first amplifier unit for outputting a first amplified signal generated from processing the input signal; and a second amplifier unit for outputting a second amplified signal generated from processing the first amplified signal. The first amplifier unit and the second amplifier unit share bias current. The parallel sub-amplifier is coupled to the stacked main amplifier according to a parallel connection fashion, and outputs a third amplified signal generated from processing the input signal. The signal combiner combines the second amplified signal and the third amplified signal to generate the output signal.
    • 提供了用于放大输入信号以产生输出信号的放大器电路。 放大器电路具有堆叠的主放大器,并联子放大器和信号组合器。 堆叠的主放大器包括:第一放大器单元,用于输出从处理输入信号产生的第一放大信号; 以及第二放大器单元,用于输出从处理第一放大信号产生的第二放大信号。 第一放大器单元和第二放大器单元共享偏置电流。 并联子放大器根据并联连接方式耦合到堆叠的主放大器,并且输出从处理输入信号产生的第三放大信号。 信号组合器组合第二放大信号和第三放大信号以产生输出信号。
    • 115. 发明申请
    • METHOD AND APPARATUS FOR SIGNAL DEMODULATION AND TRANSMISSION
    • 用于信号解调和传输的方法和装置
    • US20070099582A1
    • 2007-05-03
    • US11531331
    • 2006-09-13
    • Min ChenWing Han She
    • Min ChenWing Han She
    • H04B1/38H04B1/40
    • H04B1/0071
    • A transceiver comprises a transmitter and a receiver, Dual-band radio signals are simultaneously supported by the transceiver. First and second RF signals are down converted to an intermediate signal based on a first oscillation signal. The intermediate signal is then down converted to an inphase baseband signal and a quadrature baseband signal based on a second oscillation signal. A synthesizer is provided, generating the first and second oscillation signals from one oscillation reference signal. Each of the first and second oscillation signals comprises an inphase part and a quadradure part, and the first frequency is subsequently twice the second frequency. The first frequency is the frequency of first oscillation signal plus the frequency of the second oscillation signal, and the second frequency is difference of the frequency of the first oscillation signal and the frequency of the second oscillation signal.
    • 收发器包括发射机和接收机,收发器同时支持双频无线信号。 基于第一振荡信号将第一和第二RF信号下变频为中间信号。 然后,基于第二振荡信号,将中间信号下变频为同相基带信号和正交基带信号。 提供合成器,从一个振荡参考信号产生第一和第二振荡信号。 第一和第二振荡信号中的每一个包括同相部分和四极化部分,并且第一频率随后是第二频率的两倍。 第一频率是第一振荡信号的频率加上第二振荡信号的频率,第二频率是第一振荡信号的频率与第二振荡信号的频率的差。
    • 116. 发明申请
    • Electric device heat-sensitive sleeve structure
    • 电器热敏套管结构
    • US20070032139A1
    • 2007-02-08
    • US11492863
    • 2006-07-26
    • Min Chen
    • Min Chen
    • H01R4/10
    • H01R4/72
    • An electric device heat-sensitive sleeve structure comprises an electric device. The electric device further includes a power conducting element and a power-sensitive sleeve. The power conducting element is used to conduct power. The heat-sensitive sleeve is disposed on the power conducting element, and contains heat-sensitive material. The heat-sensitive sleeve can detect temperature variation of the electric device through the heat-sensitive material. Timely detection can be accomplished when the electric device generates a large amount of heat. Therefore, the operator or management can take corresponding measures in real time to avoid unexpected sparking and power failure due to overheat of the electric device during power transmission, thereby ensuring normal and safe use of the electric device.
    • 电气设备热敏套筒结构包括电气设备。 电气设备还包括电力传导元件和功率敏感套筒。 导电元件用于导电。 热敏套筒设置在动力传导元件上,并且包含热敏材料。 热敏套筒可以通过热敏材料检测电子装置的温度变化。 当电气设备产生大量的热量时,可以及时检测。 因此,操作人员或管理人员可以实时采取相应的措施,避免因电力传输过程中电器件过热引起的意外火花和电源故障,从而确保电器的正常使用。