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    • 2. 外观设计
    • Multipurpose foldable projection screen with stand
    • USD1022009S1
    • 2024-04-09
    • US29836399
    • 2022-04-26
    • Li Zhang
    • Li Zhang
    • FIG. 1. is a rear perspective view of a multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 2 is a front perspective view of a Multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 3 is a front view of a Multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 4 is a rear view of a Multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 5 is a bottom view of a Multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 6 is a top view of a Multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 7 is a left view of a multipurpose foldable projection screen with stand showing my ornamental design;
      FIG. 8 is a right view of a multipurpose foldable projection screen with stand showing my ornamental design.
      FIG. 9 is an enlarged view of the area of FIG. 1 that is labeled with reference number 9.
      FIG. 10 is an enlarged view of the area of FIG. 1 that is labeled with reference number 10.
      FIG. 11 is an enlarged view of the area of FIG. 2 that is labeled with reference number 11; and,
      FIG. 12 is an enlarged view of the area of FIG. 2 that is labeled with reference number 12.
      The dash-dot-dash broken lines demarcate enlarged views and form no part of the claimed design.
    • 6. 发明授权
    • ACK/NAK bit bundling in carrier aggregation scenarios
    • 在载波聚合情况下,ACK / NAK位绑定
    • US09577803B2
    • 2017-02-21
    • US14400339
    • 2012-05-11
    • Yu Yu YanChun Hai YaoPeter SkovLi Zhang
    • Yu Yu YanChun Hai YaoPeter SkovLi Zhang
    • H04L1/00H04L5/00H04L1/16
    • H04L5/0046H04L1/1635H04L5/001H04L5/0055
    • Techniques are disclosed for ACK/NAK bit bundling in carrier aggregation scenarios. Such measures exemplarily comprise generating a set of acknowledgement bits confirming receipt of payload data of a radio frame in a carrier aggregation mode aggregating a primary and at least one secondary carrier, said radio frame being divided into a plurality of downlink subframes and uplink subframes, each of said downlink subframes comprising at least one codeword per carrier, each of said acknowledgement bits is allocated to one of said codewords of one of said downlink subframes, and applying spatial domain bundling and/or time domain bundling on said set of acknowledgement bits distinctive for each of said primary and said at least one secondary carrier, wherein said spatial domain bundling is an AND operation of all acknowledgement bits allocated to each codeword of one carrier of said primary and said at least one secondary carrier and one downlink subframe.
    • 公开了在载波聚合情况下的ACK / NAK比特绑定技术。 这样的措施示例性地包括生成一组确认位,确认在聚合主载波和至少一个辅载波的载波聚合模式中接收无线帧的有效载荷数据,所述无线帧被划分为多个下行子帧和上行子帧,每个 的所述下行链路子帧包括每个载波的至少一个码字,每个所述确认位被分配给所述下行链路子帧之一的所述码字之一,并且在所述确认位集合上应用空间域绑定和/或时域绑定, 所述主载波和所述至少一个辅载波中的每一个,其中所述空域绑定是分配给所述主载波和所述至少一个辅载波的一个载波和一个下行链路子帧的每个码字的所有确认比特的“与”运算。
    • 8. 发明授权
    • Computer tomography imaging device and method
    • 计算机断层扫描成像装置及方法
    • US09380984B2
    • 2016-07-05
    • US13322696
    • 2009-12-30
    • Liang LiZhiqiang ChenLi ZhangKejun KangYuanjing LiYinong LiuYuxiang XingZiran Zhao
    • Liang LiZhiqiang ChenLi ZhangKejun KangYuanjing LiYinong LiuYuxiang XingZiran Zhao
    • G06T11/00A61B6/03A61B6/06A61B6/00
    • A61B6/032A61B6/06A61B6/4452A61B6/469G06T11/006G06T2211/416G06T2211/421G06T2211/424
    • The present invention discloses a method for performing CT imaging on a region of interest of an object under examination, comprising: acquiring the CT projection data of the region of interest; acquiring the CT projection data of region B; selecting a group of PI line segments covering the region of interest, and calculating the reconstruction image value for each PI line segment in the group; and combining the reconstruction image values in all the PI line segments to obtain the image of the region of interest. The present invention further discloses a CT imaging device using this method and a data processor therein. Since the 2D/3D slice image of the region of interest can be exactly reconstructed and obtained as long as the X-ray beam covers the region of interest and the region B, it is possible to use a small-sized detector to perform CT imaging on the region of interest at any position of a large-sized object, which reduces to a great extent the radiation dose of the X-ray during the CT scanning.
    • 本发明公开了一种对被检查物体的感兴趣区域进行CT成像的方法,包括:获取感兴趣区域的CT投影数据; 获取区域B的CT投影数据; 选择覆盖感兴趣区域的一组PI线段,并计算组中每个PI线段的重建图像值; 并且将所有PI线段中的重建图像值组合以获得感兴趣区域的图像。 本发明还公开了一种使用该方法的CT成像装置及其中的数据处理器。 由于只要X射线束覆盖感兴趣区域和区域B,就可以精确地重构和获得感兴趣区域的2D / 3D切片图像,因此可以使用小尺寸检测器来执行CT成像 在大尺寸物体的任何位置处的感兴趣区域,其在CT扫描期间在很大程度上降低X射线的辐射剂量。