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    • 61. 发明授权
    • Current output architecture for an implantable stimulator device
    • 植入式刺激器装置的电流输出结构
    • US08606362B2
    • 2013-12-10
    • US11177503
    • 2005-07-08
    • Yuping HeDavid K. L. Peterson
    • Yuping HeDavid K. L. Peterson
    • A61N1/02
    • A61N1/0551A61N1/36185
    • Disclosed herein are current output architectures for implantable stimulator devices. Current source and sink circuitry is divided into a plurality of stages, each of which is capable via an associated switch bank of sourcing or sinking an amount of current to or from any one of the electrodes of the device. The current source circuitry is distinct from the current sink circuitry, and the two share no common circuit nodes prior to connection to the electrodes. In other words, the current source circuitry and the current sink circuitry do not share a common node other than the electrodes. Each stage is preferably formed of a current mirror for receiving a reference current and outputting a scaled version of current to that stage's switch bank. The scalar at each stage can be set by wiring a desired number of output transistors in parallel. Preferably, the reference current to the current mirrors in the stages is controllable via a digital-to-analog converter (DAC), to globally control the overall magnitude of the current supply to the electrodes.
    • 这里公开了用于可植入刺激装置的电流输出结构。 电流源和接收电路被分成多个级,其中每个级能够经由相关联的开关组来产生或吸收来自该器件的任何一个电极的电流量。 电流源电路与当前的吸收电路不同,并且两者在连接到电极之前不共享公共电路节点。 换句话说,电流源电路和电流吸收电路不共享电极以外的公共节点。 每个级最好由用于接收参考电流的电流镜形成,并将电流的缩放版本输出到该级的开关组。 可以通过并联连接所需数量的输出晶体管来设定每个阶段的标量。 优选地,通过数模转换器(DAC)可控制级中的电流镜的参考电流,以全局地控制电流对电极的电流的总体幅度。
    • 65. 发明授权
    • Digital camera including refocusable imaging mode adaptor
    • 数码相机包括可重新对焦的成像模式适配器
    • US08593564B2
    • 2013-11-26
    • US13239472
    • 2011-09-22
    • John Norvold BorderRichard D. Young
    • John Norvold BorderRichard D. Young
    • H04N5/225
    • H04N5/23212H04N5/23229
    • A digital camera system configurable to operate in a low-resolution refocusable mode and a high-resolution non-refocusable mode comprising: a camera body; an image sensor mounted in the camera body having a plurality of sensor pixels for capturing a digital image; an imaging lens for forming an image of a scene onto an image plane, the imaging lens having an aperture; and an adaptor that can be inserted between the imaging lens and the image sensor to provide the low-resolution refocusable mode and can be removed to provide the high-resolution non-refocusable mode, the adaptor including a microlens array with a plurality of microlenses; wherein when the adaptor is inserted to provide the low-resolution refocusable mode, the microlens array is positioned between the imaging lens and the image sensor.
    • 一种可配置为以低分辨率可重新定焦模式和高分辨率不可重新定焦模式操作的数字照相机系统,包括:照相机主体; 安装在相机主体中的图像传感器,具有用于捕获数字图像的多个传感器像素; 用于将场景的图像形成到图像平面上的成像透镜,所述成像透镜具有孔; 以及适配器,其可以插入到成像透镜和图像传感器之间以提供低分辨率可重聚焦模式并且可以被去除以提供高分辨率不可重新定焦模式,所述适配器包括具有多个微透镜的微透镜阵列; 其中当插入适配器以提供低分辨率可重聚焦模式时,微透镜阵列位于成像透镜和图像传感器之间。
    • 66. 发明授权
    • Downhole apparatus with a swellable support structure
    • 具有可膨胀支撑结构的井下装置
    • US08584764B2
    • 2013-11-19
    • US13850092
    • 2013-03-25
    • Swelltec Limited
    • Kim NutleyBrian Nutley
    • E21B33/12
    • E21B33/12E21B17/10E21B17/1028E21B17/1078E21B33/10E21B33/1208E21B33/1216
    • A downhole apparatus having a radially expanding portion and a support structure are described. The support structure comprises an attachment means for coupling to the apparatus and a support portion configured to be deployed from a first unexpanded condition to a second expanded condition by expansion of the apparatus. In one aspect of the invention, the downhole apparatus is expanded by exposing the swellable material to at least one predetermined fluid, and the support structure abuts the swellable material in its expanded form. A method of use and its application to a well packer, a hanging member, an anchor and a centralizing apparatus are described.
    • 描述了具有径向扩张部分和支撑结构的井下装置。 支撑结构包括用于联接到装置的附接装置和构造成通过装置的膨胀从第一未膨胀状态展开到第二扩张状态的支撑部分。 在本发明的一个方面,井下装置通过将可溶胀材料暴露于至少一种预定流体而膨胀,并且支撑结构以膨胀形式邻接可溶胀材料。 描述了一种使用方法及其在油井封隔器,悬挂构件,锚固装置和集中装置中的应用。
    • 68. 发明授权
    • Coded aperture camera with adaptive image processing
    • 具有自适应图像处理的编码孔径相机
    • US08582820B2
    • 2013-11-12
    • US12889818
    • 2010-09-24
    • Paul James KaneSen Wang
    • Paul James KaneSen Wang
    • G06K9/00
    • G06T5/003G06T7/571G06T2200/21G06T2207/20021
    • An image capture device is used to identify object range information, and includes: providing an image capture device, an image sensor, a coded aperture, and a lens; and using the image capture device to capture a digital image of the scene from light passing through the lens and the coded aperture, the scene having a plurality of objects. The method further includes: dividing the digital image into a set of blocks; assigning a point spread function (psf) value to each of the blocks; combining contiguous blocks in accordance with their psf values; producing a set of blur parameters based upon the psf values of the combined blocks and the psf values of the remaining blocks; producing a set of deblurred images based upon the captured image and each of the blur parameters; and using the set of deblurred images to determine the range information for the objects in the scene.
    • 图像采集装置用于识别对象范围信息,包括:提供图像捕获装置,图像传感器,编码孔径和透镜; 并且使用图像捕获装置从穿过透镜的光和编码孔径捕获场景的数字图像,场景具有多个对象。 该方法还包括:将数字图像划分成一组块; 将点扩散函数(psf)值分配给每个块; 根据其psf值组合连续的块; 基于组合块的psf值和剩余块的psf值产生一组模糊参数; 基于捕获的图像和每个模糊参数产生一组去模糊图像; 并使用一组去模糊图像来确定场景中对象的范围信息。
    • 69. 发明授权
    • Deep pixel pipeline
    • 深色像素管道
    • US08564612B2
    • 2013-10-22
    • US11462486
    • 2006-08-04
    • Kenneth DykeAssana Fard
    • Kenneth DykeAssana Fard
    • G09G5/02
    • G09G5/363G09G5/02
    • In a pixel imaging method and system, pixel information is stored into backing stores in system memory of a computer. A graphics processing unit (GPU) composites the pixel information into a first assembly buffer that has a first color depth of at least greater than 8-bits per color component. The GPU dithers and filters the pixel information in the first assembly buffer into a second assembly buffer. The second assembly buffer has a second color depth that is different from the first color depth of the first assembly but is the same as the color depth of the computer's frame buffer. The GPU copies the pixel information from the second assembly buffer into the frame buffer (optionally modifying them such as, by filtering), and scan-out hardware outputs the pixel information in the frame buffer to a display of the computer.
    • 在像素成像方法和系统中,将像素信息存储在计算机的系统存储器中的后备存储器中。 图形处理单元(GPU)将像素信息复合到具有至少大于每个颜色分量8位的第一颜色深度的第一组合缓冲器中。 GPU将第一个汇编缓冲区中的像素信息抖动并过滤到第二个汇编缓冲区。 第二组装缓冲器具有与第一组件的第一颜色深度不同的第二颜色深度,但与计算机的帧缓冲器的颜色深度相同。 GPU将来自第二组装缓冲器的像素信息复制到帧缓冲器中(可选地通过滤波来修改它们),并且扫描硬件将帧缓冲器中的像素信息输出到计算机的显示器。
    • 70. 发明授权
    • Swellable downhole apparatus and support assembly
    • 可膨胀的井下设备和支撑组件
    • US08561689B2
    • 2013-10-22
    • US12768882
    • 2010-04-28
    • Kim NutleyBrian Nutley
    • Kim NutleyBrian Nutley
    • E21B33/12
    • E21B33/1208E21B33/1216
    • A downhole apparatus has a radially expanding portion comprising a swellable elastomeric material selected to increase in volume on exposure to at least one predetermined fluid. A support assembly is operable to be deployed from a first retracted position to a second expanded condition. The support assembly comprises an inner surface arranged to face the radially expanding portion, and at least a portion of the inner surface is concave. The support assembly may be configured to direct a force from the swellable material to boost or energise a seal created between the radially expanding portion and a surrounding surface in use.
    • 井下装置具有径向扩张部分,该部分包括可膨胀的弹性体材料,其被选择为在暴露于至少一个预定流体时增加体积。 支撑组件可操作以从第一缩回位置展开到第二扩张状态。 支撑组件包括布置成面向径向扩张部分的内表面,并且内表面的至少一部分是凹形的。 支撑组件可以被配置为引导来自可溶胀材料的力以增强或激励在径向扩张部分和使用中的周围表面之间产生的密封。