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    • 83. 发明申请
    • Sheathed Duodenoscope
    • 护颈十二指肠镜
    • US20160227988A1
    • 2016-08-11
    • US15098602
    • 2016-04-14
    • Kerang JiangXiangyang WuZhenyu ZhouChong ChenJian ZhangMing Xu
    • Kerang JiangXiangyang WuZhenyu ZhouChong ChenJian ZhangMing Xu
    • A61B1/00A61B1/273A61B1/018
    • A61B1/00142A61B1/00096A61B1/00098A61B1/00101A61B1/00135A61B1/00137A61B1/00177A61B1/0615
    • A sheathed endoscope, includes: an endoscope and a disposable component. The disposable compartment protects the inner and outer surfaces of the endoscope. The disposable compartment includes: a cap of endoscope tip in the distal end of endoscope, a disposable tube for biopsy forceps, and an outside sheath capsule for endoscope shaft. The tip cap connects the sheath capsule and the disposable tube for biopsy forceps. There are multiple windows set on the lateral side of endoscope tip, wherein pills containing transparent fluid are placed somewhere in between of the tip cap and the distal end of endoscope. The pills will be crushed by co-fraction of the tip cap and the distal end of endoscope, to release the transparent fluid to fill in the space formed between the tip cap and the distal end of the endoscope. This disposable sheath compartment in the invention will cover all surfaces of the endoscope with disposable material, preventing contaminations on endoscope during endoscopy, meanwhile there is anti-glaring design, to prevent producing of glaring in the space formed between the tip cap and the distal end of endoscope.
    • 护套内窥镜包括:内窥镜和一次性部件。 一次性隔间保护内窥镜的内表面和外表面。 一次性隔室包括:内窥镜前端的内窥镜顶盖,活检钳的一次性管,以及内窥镜轴用外鞘。 尖端帽连接鞘囊和用于活检钳的一次性管。 在内窥镜头的侧面设置有多个窗口,其中包含透明流体的药丸放置在尖端帽和内窥镜的远端之间的某处。 丸剂将被顶盖和内窥镜的远端的共同部分压碎,以释放透明流体,以填充尖端盖和内窥镜的远端之间形成的空间。 本发明的这种一次性护套室将以一次性材料覆盖内窥镜的所有表面,防止在内窥镜检查时对内窥镜的污染,同时具有防眩光设计,以防止在尖端帽与远端之间形成的空间中产生眩光 的内窥镜。
    • 84. 发明授权
    • AC-to-DC power supply apparatus and power control structure and method thereof
    • AC-DC电源装置及其功率控制结构及其方法
    • US09318949B2
    • 2016-04-19
    • US13626892
    • 2012-09-26
    • Lin-Lin GuChuan-Yun WangMing XuJu-Lu Sun
    • Lin-Lin GuChuan-Yun WangMing XuJu-Lu Sun
    • H02M1/42H02M3/156H02M1/00
    • H02M1/4225H02M3/156H02M2001/0025Y02B70/126
    • An AC-to-DC power supply apparatus and a power control structure and method thereof are provided. The provided method includes: making an AC-to-DC converter in the AC-to-DC power supply apparatus convert an AC input voltage in response to a driving signal, so as to generate a DC output voltage; sampling a rectified voltage relating to the AC input voltage, so as to provide a sampling signal; providing an output feedback signal relating to an output of the AC-to-DC converter; multiplying the sampling signal by the output feedback signal, so as to provide a product signal; performing a signal modulation on the product signal, so as to generate the driving signal to control a switching of a main power switch in the AC-to-DC converter; and performing an amplitude-limiting process on the sampling signal or the product signal.
    • 提供了一种AC至DC电源装置及其功率控制结构及其方法。 所提供的方法包括:使AC-DC转换器响应于驱动信号转换AC输入电压,以产生DC输出电压; 对与AC输入电压有关的整流电压进行采样,以提供采样信号; 提供与所述AC-DC转换器的输出有关的输出反馈信号; 将采样信号乘以输出反馈信号,以提供产品信号; 对产品信号执行信号调制,以产生驱动信号以控制AC-DC转换器中的主电源开关的切换; 对采样信号或产品信号执行限幅处理。
    • 86. 发明授权
    • Non-isolated inverter and related control manner thereof and application using the same
    • 非隔离逆变器及其相关控制方式及其应用
    • US08958219B2
    • 2015-02-17
    • US13615636
    • 2012-09-14
    • Ming XuChuan-Yun Wang
    • Ming XuChuan-Yun Wang
    • H02M7/48H02M7/5388H02J3/38H02M7/493H02M1/12
    • H02M7/5388H02J3/383H02M7/493H02M2001/123Y02E10/563
    • A non-isolated inverter including a DC input-side, a capacitor connected in parallel with the DC input-side, an AC output-side connected in parallel with a load, and first and second bridge-arm units is provided. The first and second bridge-arm units are connected in parallel with the capacitor. The first bridge-arm unit includes a series forward-connection of upper and lower switch-elements, where a common-node of upper and lower switch-elements and a supplying terminal of the second bridge-arm unit are respectively connected to two terminals of the AC output-side. The upper and lower switch-elements are respectively turned on in positive and negative half cycles of an output current of the non-isolated inverter, and the generation of common-mode currents in the non-isolated inverter is suppressed under a clamping action between the upper and lower switch-elements due to there are no high-frequency voltages on the parasitic-capacitors from the non-isolated inverter to the ground.
    • 提供一种非隔离逆变器,包括DC输入侧,与DC输入侧并联连接的电容器,与负载并联连接的AC输出侧,以及第一和第二桥臂单元。 第一和第二桥臂单元与电容器并联连接。 第一桥臂单元包括上下开关元件的串联前向连接,其中上下开关元件的共同节点和第二桥臂单元的供电端子分别连接到第二桥臂单元的两个端子 交流输出端。 上下开关元件分别在非隔离逆变器的输出电流的正半周期和负半周期内导通,并且在非隔离逆变器的输出电流之间的钳位动作下抑制了共模电流的产生 上,下开关元件由于在非隔离逆变器到地的寄生电容上没有高频电压。
    • 87. 发明授权
    • Apparatus for controlling gas distribution using orifice ratio conductance control
    • 使用孔径比电导控制来控制气体分布的装置
    • US08905074B2
    • 2014-12-09
    • US13091827
    • 2011-04-21
    • Corie Lynn CobbMing Xu
    • Corie Lynn CobbMing Xu
    • F17D3/00F16K51/02
    • F16K51/02Y10T137/6851Y10T137/87306Y10T137/87885
    • Apparatus for controlling gas distribution are provided. In some embodiments, apparatus for controlling gas distribution may include a first flow path from an inlet to a first outlet; a plurality of first orifices disposed within the first flow path; a plurality of first valves that control gas flow through the plurality of first orifices to control a total gas flow at the first outlet; a second flow path from the inlet to a second outlet; a plurality of second orifices disposed along the second flow path; a plurality of second valves that control gas flow through respective ones of the plurality of second orifices to control a total gas flow at the second outlet; and a mounting block having the plurality of first valves and second valves coupled thereto, wherein at least a portion of the first flow path and the second flow path is disposed within the mounting block.
    • 提供了用于控制气体分布的装置。 在一些实施例中,用于控制气体分配的装置可以包括从入口到第一出口的第一流动路径; 设置在第一流路内的多个第一孔; 多个第一阀,其控制通过所述多个第一孔的气体流,以控制在所述第一出口处的总气流; 从入口到第二出口的第二流动路径; 沿所述第二流路布置的多个第二孔; 多个第二阀,其控制通过所述多个第二孔中的相应孔的气体流动,以控制在所述第二出口处的总气流; 以及安装块,其具有联接到其上的多个第一阀和第二阀,其中第一流动路径和第二流动路径的至少一部分设置在安装块内。
    • 88. 发明授权
    • Isolated gate driver adapted for PWM-based switching power supply
    • 隔离栅极驱动器适用于基于PWM的开关电源
    • US08860471B2
    • 2014-10-14
    • US13624964
    • 2012-09-23
    • Ming XuJing-Peng ZhuJu-Lu SunZhang-He Nan
    • Ming XuJing-Peng ZhuJu-Lu SunZhang-He Nan
    • H03K3/00H03K17/691H02M1/08H03K17/16H02M1/32H03K17/0812
    • H02M1/08H02M1/32H03K17/08122H03K17/161H03K17/691
    • An isolated gate driver including a driving control circuit, an isolated transformer, an anti-circuit and a secondary processing circuit is provided. The driving control circuit is configured to generate a driving PWM signal for driving a power switch tube. The isolated transformer has a primary winding and a secondary winding. The anti-circuit is connected between the driving control circuit and the primary winding of the isolated transformer, and is configured to suppress a variation of an induced voltage in the secondary winding of the isolated transformer when a duty cycle of the driving PWM signal is sharply decreased. The secondary processing circuit is connected in parallel with the secondary winding of the isolated transformer, and is configured to perform a voltage clamping action on a gate-source voltage of the power switch tube when the duty cycle of the driving PWM signal is sharply decreased.
    • 提供了包括驱动控制电路,隔离变压器,防电路和二次处理电路的隔离栅极驱动器。 驱动控制电路被配置为产生用于驱动电源开关管的驱动PWM信号。 隔离变压器具有初级绕组和次级绕组。 防电路连接在驱动控制电路和隔离变压器的初级绕组之间,并且被配置为当驱动PWM信号的占空比急剧减小时,抑制隔离变压器的次级绕组中的感应电压的变化 减少。 二次处理电路与隔离变压器的次级绕组并联连接,并且被配置为当驱动PWM信号的占空比急剧减小时,对功率开关管的栅极 - 源极电压进行钳位动作。
    • 89. 发明授权
    • Method and device for superimposing reference signal and data based on space division multiple access
    • 基于空分多址的叠加参考信号和数据的方法和装置
    • US08797993B2
    • 2014-08-05
    • US13378124
    • 2010-04-12
    • Hui TongMing XuMasayuki HoshinoSeigo NakaoDaichi Imamura
    • Hui TongMing XuMasayuki HoshinoSeigo NakaoDaichi Imamura
    • H04W4/00H04B7/04
    • H04B7/046H04B7/0408H04B7/0413
    • The present invention provides a method of superimposing data signals and reference signals in a space division multiple access communication system, a base station of the communication system transmitting the first layer resource block and another layer resource block to a terminal using the same time/frequency resources, reference signals in the first layer resource block and reference signals in the other layer resource block being orthogonal to each other, the method including superimposing data signals transmitted in the first layer resource block at positions of reference signals in the first layer resource block, making a spreading sequence of the superimposed data signals orthogonal to a spreading sequence of the reference signals in the first layer resource block. The present invention can effectively use resources consumed under a multiuser MIMO system and drastically improve the system performance.
    • 本发明提供了一种在空分多址通信系统中叠加数据信号和参考信号的方法,该通信系统的基站使用相同的时间/频率资源向终端发送第一层资源块和另一层资源块 所述第一层资源块中的参考信号和所述另一层资源块中的参考信号彼此正交,所述方法包括将在所述第一层资源块中发送的数据信号叠加在所述第一层资源块中的参考信号的位置, 与第一层资源块中的参考信号的扩展序列正交的叠加数据信号的扩展序列。 本发明可以有效地利用在多用户MIMO系统下消耗的资源,并且显着提高系统性能。