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    • 143. 发明申请
    • Rapid Charging And Power Management Of A Battery-Powered Fluid Analyte Meter
    • 电池供电流体分析仪的快速充电和电源管理
    • US20090146826A1
    • 2009-06-11
    • US12129185
    • 2008-05-29
    • Igor GofmanJun Chen
    • Igor GofmanJun Chen
    • G08B21/00
    • H02J7/0047A61B5/14532A61B2560/0214G01N33/48785G01R31/3624G01R31/3682H02J7/007H02J7/0073H02J7/0078H02J7/0091
    • A system and method is described for rapid charging and power management of a battery for a meter. A charger component is operably associated with the meter and is capable of executing a rapid charge algorithm for a rechargeable battery. The algorithm includes monitoring for a connection to an external power source and implementing a charging routine of a battery at a first charge rate and then at a second charge rate. The second charge rate is lower than the first charge rate. A temperature rise in the rechargeable battery due to the first charge rate has a negligible heat transfer effect on the fluid sample. The meter can also include a power switch for controlling current flow to a battery fuel gauge. The power switch is open when the meter enters into a sleep mode. The state of battery charge is determined after the meter exits the sleep mode.
    • 描述了用于电表的电池的快速充电和电源管理的系统和方法。 充电器部件可操作地与仪表相关联,并且能够对可充电电池执行快速充电算法。 该算法包括监视与外部电源的连接,并以第一充电速率然后以第二充电速率实现电池的充电程序。 第二次充电率低于第一次充电速率。 由于第一充电速率,可充电电池中的温度升高对流体样品具有可忽略的热传递效应。 仪表还可以包括用于控制电流流向电池电量计的电源开关。 当仪表进入睡眠模式时,电源开关打开。 在仪表退出睡眠模式后,确定电池电量的状态。
    • 145. 发明申请
    • Method and Apparatus for Constructing Efficient Slepian-Wolf Codes With Mismatched Decoding
    • 用于构造具有不匹配解码的有效Slepian-Wolf码的方法和装置
    • US20090030922A1
    • 2009-01-29
    • US11782249
    • 2007-07-24
    • Jun ChenDake HeAshish Jagmohan
    • Jun ChenDake HeAshish Jagmohan
    • G06F17/30
    • H03M7/30
    • Disclosed is a method for constructing Slepian-Wolf codes, wherein the designed Slepian-Wolf codes are robust to mismatched decoding. The disclosed method for constructing Slepian-Wolf codes includes the steps of: choosing representative probability distributions from a set of possible probability distributions; choosing a probability distribution as a decoding metric; converting the chosen decoding metric to a cyclic-symmetric channel; computing the initial message value given the cyclic-symmetric channel; computing a set of probability distributions of the initial message given the initial message values and the representative probability distributions; optimizing the degree distribution given the set of probability distributions of the initial message; optimizing the decoding metric.
    • 披露了一种用于构造Slepian-Wolf码的方法,其中设计的Slepian-Wolf码对于不匹配的解码是鲁棒的。 所公开的用于构造Slepian-Wolf码的方法包括以下步骤:从一组可能的概率分布中选择代表性概率分布; 选择概率分布作为解码度量; 将所选择的解码度量转换为循环对称信道; 计算给定循环对称信道的初始消息值; 给出初始消息值和代表性概率分布的初始消息的一组概率分布; 优化给定初始消息的概率分布集的度数分布; 优化解码度量。
    • 146. 发明申请
    • METHOD, APPARATUS AND SYSTEM FOR SEAMLESSLY SHARING A GRAPHICS CARD AMONGST VIRTUAL MACHINES
    • 方法,用于无缝共享虚拟机的图形卡的装置和系统
    • US20080215770A1
    • 2008-09-04
    • US12025287
    • 2008-02-04
    • Yongfeng LiuChunmei LiuJun ChenKe Ke
    • Yongfeng LiuChunmei LiuJun ChenKe Ke
    • G06F13/14
    • G06F9/45558G06F2009/45579
    • The present invention provides a virtual machine system and a method of accessing a graphics card by the same, wherein, the virtual machine system includes a Virtual Machine Monitor (VMM), a Service Operating System (SOS) and at least one Guest Operating System (GOS), and further includes a resource converting module for performing IO address converting on graphics card framebuffer accessing data from the GOS(s) or mapping MMIO(s) to physical MMIO(s) of a graphics card based on a resource converting table or resource converting tables, and sending the processed data to the graphics card; and a framebuffer allocating module for dividing a framebuffer resource of the graphics card into multiple blocks and allocating them respectively to the corresponding GOS(s). The resource converting table(s) records correspondences between a resource allocation for the graphics card by the SOS and a resource allocation or resource allocations for the graphics card by the GOS(s). The framebuffer MMIO resource(s) allocated to the graphics card by the GOS(s) is/are the framebuffer allocated to the GOS(s) by the framebuffer allocating module. The virtual machine system and the method according to the present invention are capable of accessing the real graphics card through the resource converting table(s), and also solve the problem of display confusion when multiple GOSs commonly access the real graphics card while being able to switch display.
    • 本发明提供了一种虚拟机系统及其访问图形卡的方法,其中,虚拟机系统包括虚拟机监视器(VMM),服务操作系统(SOS)和至少一个来宾操作系统 GOS),并且还包括资源转换模块,用于在图形卡帧缓冲器上执行IO地址转换,所述帧缓冲器基于资源转换表或从所述GOS访问数据或将MMIO映射到图形卡的物理MMIO,或 资源转换表,并将处理的数据发送到图形卡; 以及帧缓冲器分配模块,用于将图形卡的帧缓冲器资源划分为多个块并将其分配给相应的GOS。 资源转换表记录由SOS对图形卡的资源分配与GOS的资源分配或图形卡的资源分配之间的对应关系。 由GOS分配给图形卡的帧缓冲器MMIO资源是由帧缓冲器分配模块分配给GOS的帧缓冲区。 根据本发明的虚拟机系统和方法能够通过资源转换表访问真实图形卡,并且还解决了当多个GOS通常访问真实显卡时显示混乱的问题,同时能够 开关显示。
    • 148. 发明申请
    • IMAGING APPARATUS WITH RESOLUTION ADJUSTABILITY
    • 具有分辨率可调性的成像设备
    • US20070221825A1
    • 2007-09-27
    • US11686527
    • 2007-03-15
    • Jun Chen
    • Jun Chen
    • H01L27/00
    • H04N5/349
    • An imaging apparatus with resolution adjustability is provided. The imaging apparatus comprises an image sensor and a prism assembly. The prism assembly guides the imaging beam to the image sensor. The prism assembly comprises a first prism and a second prism. The second prism moves between a first position and a second position relative to the first prism. The vertex angle direction of the first prism differs from that of the second prism by 180 degrees. As the second prism is in the first position relative to the first prism, the imaging beam forms an image within a first area of the image sensor through the first prism and the second prism. As the second prism is in the second position relative to the first prism, the imaging beam forms an image within a second area of the image sensor through the first and the second prism.
    • 提供了具有分辨率可调性的成像装置。 成像装置包括图像传感器和棱镜组件。 棱镜组件将成像光束引导到图像传感器。 棱镜组件包括第一棱镜和第二棱镜。 第二棱镜相对于第一棱镜在第一位置和第二位置之间移动。 第一棱镜的顶角方向与第二棱镜的顶角方向不同,为180度。 当第二棱镜相对于第一棱镜处于第一位置时,成像光束通过第一棱镜和第二棱镜在图像传感器的第一区域内形成图像。 当第二棱镜相对于第一棱镜处于第二位置时,成像光束通过第一和第二棱镜在图像传感器的第二区域内形成图像。
    • 149. 发明申请
    • Driver circuit
    • 驱动电路
    • US20060239082A1
    • 2006-10-26
    • US11112267
    • 2005-04-22
    • Siew HoonFranco MalobertiJun Chen
    • Siew HoonFranco MalobertiJun Chen
    • G11C11/34G11C16/06
    • H03K17/0822H03K17/04206H03K17/165
    • A driver circuit includes a first transistor coupled between an input supply node and an output node. The first transistor operates in one of a conductive state to couple the output node with the input supply node and non-conductive state according to cooperative operation of a second transistor and a third transistor. The second transistor is coupled to provide a control input to drive the first transistor to the conductive state thereof in response a first input signal provided at a control input of the second transistor. The third transistor is coupled to provide an output at the output node in response to a second input signal provided at a control input of the third transistor, the first and second input signals being out of phase with each other. Circuitry is coupled between the input supply node and the control input of the first transistor to provide reduced impedance at the control input of the first transistor according to operation of the second transistor.
    • 驱动电路包括耦合在输入电源节点和输出节点之间的第一晶体管。 第一晶体管根据第二晶体管和第三晶体管的协同操作,以导通状态中的一个工作,以将输出节点与输入电源节点耦合和非导通状态。 第二晶体管被耦合以提供控制输入,以响应于提供在第二晶体管的控制输入处的第一输入信号而将第一晶体管驱动到其导通状态。 第三晶体管被耦合以响应于在第三晶体管的控制输入处提供的第二输入信号在输出节点处提供输出,第一和第二输入信号彼此不同相。 电路耦合在输入电源节点和第一晶体管的控制输入之间,以根据第二晶体管的操作在第一晶体管的控制输入处提供降低的阻抗。
    • 150. 发明授权
    • Single inductor dual output buck converter with frequency and time varying offset control
    • 单电感双输出降压转换器,具有频率和时变偏移控制
    • US07061214B2
    • 2006-06-13
    • US10722270
    • 2003-11-25
    • Valerian MayegaJun ChenJames L. KrugDavid W. Evans
    • Valerian MayegaJun ChenJames L. KrugDavid W. Evans
    • G05F1/577
    • H02M3/156H02M3/155
    • A single-inductor dual-output buck converter and control method that facilitates power conversion by converting a single DC power source/supply into two separate DC outputs, each of which can be configured to provide a selected/desired voltage by selection of respective duty cycles. The topology of the inverter includes a pair of diodes or switches that can selectively re-circulate inductor current. The converter is generally operated at a fixed frequency with four stages of operation. A first and third stage of operation provide power to a first and second output, respectively. A second and fourth stage of operation re-circulate inductor current and can partially recharge a battery type power source. The power output for each stage (voltage and current) can be selectively obtained by computing and employing appropriate time periods for the stages of operation that correspond to appropriate duty cycles.
    • 单电感双输出降压转换器和控制方法,通过将单个DC电源/电源转换为两个独立的直流输出来促进功率转换,每个直流输出可以被配置为通过选择相应的占空比来提供选定/期望的电压 。 逆变器的拓扑结构包括一对二极管或开关,可以选择性地重新循环电感电流。 转换器通常以固定频率工作,具有四个操作阶段。 第一和第三操作阶段分别为第一和第二输出提供电力。 第二和第四阶段的操作重新循环电感电流,并且可以部分地为电池型电源充电。 可以通过对与适当的占空比相对应的操作阶段计算和采用适当的时间周期来选择性地获得每个级的电力输出(电压和电流)。