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    • 94. 发明授权
    • System for detecting rotation angle of a catheter in an X-ray image
    • 用于检测X射线图像中的导管的旋转角度的系统
    • US08849375B2
    • 2014-09-30
    • US13532953
    • 2012-06-26
    • John BaumgartGuang Yang
    • John BaumgartGuang Yang
    • A61B5/05A61B8/00A61B6/00A61B8/12A61B6/12
    • A61B6/12A61B6/425A61B8/12A61B8/4254A61B8/4263A61B8/463G06F19/00
    • An IVUS catheter is advantageously provided with a particular radio-opaque pattern enabling detection of catheter rotation angle with respect to an X-ray imaging source for co-registering IVUS image data with angiographic X-ray or CT image data, for example. An ultrasound catheter system supports orientation and display of intra-vascular ultrasound imaging data. The system comprises an ultrasound catheter for acquiring ultrasound images comprising a body having a pattern of radio-opaque material on the external surface of the catheter body. The pattern varies with angular rotation of the catheter and indicates an angle of rotation of a predetermined reference orientation of the catheter relative to an X-ray radiation source, so that an X-ray image of the catheter body indicates the pattern and the pattern is analyzable by an image data processor to determine the angle of rotation.
    • 有利地,IVUS导管设置有特定的不透射线图案,使得能够检测相对于X射线成像源的导管旋转角度,用于将IVUS图像数据与血管造影X射线或CT图像数据共同对准。 超声导管系统支持血管内超声成像数据的取向和显示。 该系统包括用于获取超声图像的超声波导管,该超声波图像包括在导管主体的外表面上具有不透射线材料图案的主体。 该图案随着导管的角度旋转而变化,并且指示导管相对于X射线辐射源的预定参考取向的旋转角度,使得导管体的X射线图像指示图案,并且图案是 可由图像数据处理器分析以确定旋转角度。
    • 96. 发明授权
    • Semantic relationship-based location description parsing
    • 基于语义关系的位置描述解析
    • US08682646B2
    • 2014-03-25
    • US12132623
    • 2008-06-04
    • Jin LiGuang YangShuang PengZhenyu Qian
    • Jin LiGuang YangShuang PengZhenyu Qian
    • G06F17/27
    • G06F17/277G06F17/2785
    • An automated arrangement for parsing location descriptions is provided in which semantic verification is integrated into a parsing process to reduce the generation of false results. The semantic verification involves checking up to three semantic relationships between keywords (i.e., syntactical components) parsed from the location description in a tokenization process to determine if a tokenization result is valid. The semantic relationships include: a) a spatial “part-of” relationship between location keywords; b) a spatial “near-by” relationship; and, c) a spatial “intersect” relationship. The semantic relationships between particular locations may be pre-calculated and stored as extended vocabulary to enable the semantic verification to occur early in the parsing process to thus increase overall parsing efficiency. The results of the parsing are sorted based on a rank score that is derived using the semantic relationships between the locations.
    • 提供了用于解析位置描述的自动布置,其中将语义验证集成到解析过程中以减少假结果的生成。 语义验证涉及在标记化过程中从位置描述解析的关键字(即,语法组件)之间检查多达三个语义关系,以确定标记化结果是否有效。 语义关系包括:a)位置关键词之间的空间“部分”关系; b)空间“近”关系; 和c)空间“相交”关系。 可以预先计算特定位置之间的语义关系并将其存储为扩展词汇表,以便能够在解析过程中早期发生语义验证,从而提高整体解析效率。 基于使用位置之间的语义关系导出的等级分数对解析的结果进行排序。
    • 100. 发明申请
    • LOW TRIPPING LEVEL CIRCUIT BREAKERS, TRIPPING UNITS, AND METHODS
    • 低牵引电平断路器,牵引单元和方法
    • US20130271257A1
    • 2013-10-17
    • US13768014
    • 2013-02-15
    • Guang Yang
    • Guang Yang
    • H01H77/04
    • H01H77/04H01H71/16H01H71/164H01H71/323H01H71/40
    • Embodiments provide a circuit breaker having a relatively low instantaneous current level at tripping. The circuit breaker includes a tripping mechanism coupled to a moveable electrical contact, the tripping mechanism including a tripping unit having a magnet, a bimetal member extending alongside of the magnet and having a moveable end, and an armature including an engagement portion being moveable as a result of motion the moveable end to trip the circuit breaker upon exceeding an instantaneous current level, and either the armature or the bimetal member includes a non-magnetic separating piece preventing a magnetic short circuit. System and method aspects are provided, as are other aspects.
    • 实施例提供一种在跳闸时具有相对低的瞬时电流水平的断路器。 断路器包括耦合到可移动电接触件的跳闸机构,该跳闸机构包括具有磁体的跳闸单元,沿着磁体并且具有可移动端部延伸的双金属构件,以及电枢,其包括可作为 运动结果使可移动端在超过瞬时电流水平时使断路器跳闸,并且电枢或双金属构件包括防止磁短路的非磁性分离件。 还提供了系统和方法方面,以及其他方面。