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    • 43. 发明申请
    • Phase Detector Circuit for Automatically Detecting 270 and 540 Degree Phase Shifts
    • 用于自动检测270和540度相移的相位检测电路
    • US20100134161A1
    • 2010-06-03
    • US12327787
    • 2008-12-03
    • Min XuMing-Ju E. Lee
    • Min XuMing-Ju E. Lee
    • H03L7/06
    • H03L7/0812H03D13/004H03L7/089H03L7/0891
    • Embodiments include implementing a phase detector for a delay-locked loop (DLL) circuit that is operable to detect substantially 270 degree and substantially 540 degree phase differences between two clock signals. In an embodiment, a DLL circuit comprises a delay line receiving a system clock signal and generating a substantially 270 degree phase shifted clock signal and a substantially 540 degree phase shifted clock signal, a phase detector receiving the system clock signal and the substantially 270 degree phase shifted clock signal, and configured to generate corresponding up and down signals upon detection of a phase shift of substantially 270 degrees between the system clock signal and the substantially 270 degree phase shifted clock signal, a charge pump coupled to the phase detector, and configured to receive the up and down signals and generate a control signal responsive to thereto, and a regulator circuit to receive the control signal from the charge pump and generate a voltage control signal to the delay chain to control delay of the system clock signal.
    • 实施例包括实现用于延迟锁定环路(DLL)电路的相位检测器,该电路可操作以检测两个时钟信号之间基本上270度和基本上540度的相位差。 在一个实施例中,DLL电路包括延迟线,其接收系统时钟信号并产生基本上270度的相移时钟信号和基本上540度的相移时钟信号,相位检测器接收系统时钟信号和基本270度相位 并且被配置为在检测到系统时钟信号和基本上270度的相移时钟信号之间基本上为270度的相移时产生相应的上下信号,耦合到相位检测器的电荷泵,并且被配置为 接收上升和下拉信号并响应于此产生控制信号,以及调节器电路,用于从电荷泵接收控制信号,并产生到延迟链的电压控制信号以控制系统时钟信号的延迟。
    • 46. 发明申请
    • Optical tomography using independent component analysis for detection and localization of targets in turbid media
    • 使用独立分量分析进行光学层析成像,用于浑浊介质中目标的检测和定位
    • US20080146897A1
    • 2008-06-19
    • US11296831
    • 2005-12-07
    • Robert R. AlfanoMin XuMohammed AlrubaieeSwapan Kumar Gayen
    • Robert R. AlfanoMin XuMohammed AlrubaieeSwapan Kumar Gayen
    • A61B5/00
    • A61B5/0073A61B5/0066
    • Disclosed is a system and a method for detecting the presence of one or more objects in a turbid medium, the method including: illuminating at least a portion of the turbid medium with incident light having at least one wavelength which interacts with the one or more objects contained in the turbid medium differently than the incident light interacts with the turbid medium; measuring light that emerges from the turbid medium; and detecting and locating the one or more objects using Independent Component Analysis (ICA) of the emergent light from the turbid medium. The present invention is useful for medical applications, such as for finding and locating, a tumor(s) in body organs, or excised tissues. Moreover, the present invention can be used to locate objects in obscuring medium, such as, mines in shallow coastal water, a plane in fog, military targets under fog, smoke or cloud cover.
    • 公开了一种用于检测混浊介质中一个或多个物体的存在的系统和方法,所述方法包括:用具有至少一个波长的入射光照射混浊介质的至少一部分,该入射光与一个或多个物体相互作用 不同于入射光与混浊介质相互作用的混浊介质; 测量从混浊介质中出来的光; 以及使用来自混浊介质的出射光的独立分量分析(ICA)来检测和定位一个或多个物体。 本发明可用于医学应用,例如用于发现和定位体内器官或切除组织中的肿瘤。 此外,本发明可以用于定位在浅色海岸水中的矿井,雾中的矿井,雾中的军事目标,烟雾或云层等模糊介质中的物体。
    • 49. 发明申请
    • Fuel injector nozzle assembly
    • 燃油喷嘴组件
    • US20050023381A1
    • 2005-02-03
    • US10932592
    • 2004-09-02
    • Min Xu
    • Min Xu
    • F02M51/06F02M51/08F02M61/18B05B1/34F02M59/00F02M61/00
    • F02M61/1806F02M61/1833F02M61/1853Y10S239/90
    • A fuel injector nozzle assembly includes an injector body including a valve seat with a supply passage through which fuel flows generally along a supply axis. The valve seat presents an upper surface which is adapted to engage a valve to seal the supply passage. A nozzle plate is mounted onto the valve seat and includes a plurality of orifice holes therein through which fuel flows. The valve seat further includes a first edge protrusion protruding into the fuel flow for generating a first separation of the fuel flow, thereby creating a plurality of small eddies which are entrained within the fuel flowing adjacent thereto. A turbulence cavity is defined by the nozzle plate and the valve seat wherein fuel flows into the turbulence cavity through the supply passage and out from the turbulence cavity through the plurality of orifice holes.
    • 燃料喷射器喷嘴组件包括喷射器主体,该喷射器主体包括具有供应通道的阀座,燃料通过该供应通道沿着供应轴线流动。 阀座呈现适于接合阀门以密封供给通道的上表面。 喷嘴板安装在阀座上并且在其中包括多个孔口,燃料通过该孔孔流动。 阀座还包括突出到燃料流中的第一边缘突起,用于产生燃料流的第一分离,从而产生夹带在与其相邻的燃料内流动的多个小涡流。 湍流空腔由喷嘴板和阀座限定,其中燃料通过供应通道流入湍流腔并通过多个孔孔从湍流腔排出。