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    • 66. 发明申请
    • Tomosynthesis imaging system and method
    • 系统合成成像系统及方法
    • US20050105679A1
    • 2005-05-19
    • US10776690
    • 2004-02-11
    • Tao WuAlex StewartMartin StantonWalter PhillipsDaniel KopansRichard Moore
    • Tao WuAlex StewartMartin StantonWalter PhillipsDaniel KopansRichard Moore
    • A61B6/00A61B6/03G01N23/04G06T11/00G21K1/12G01N23/00H05G1/60
    • G06T11/006A61B6/025A61B6/502A61B6/583G01N23/04G06T2211/424G06T2211/436
    • A system for three-dimensional tomosynthesis imaging of a target element is provided having an image acquisition element and a processor. The image acquisition element obtains a plurality of images of the target element from a plurality of angles and includes a radiation source that is positionable at a plurality of angles with respect to the target element and a radiation detector. The radiation detector is positioned so as to detect radiation emitted by the radiation source passing through the target element and determine a plurality of attenuation values for radiation passing through the target element to establish a radiation absorbance projection image of the target element for a particular radiation source angle. The processor is configured to apply an iterative reconstruction algorithm to the radiation absorbance projection images of the target element obtained from a plurality of radiation source angles to generate a three-dimensional reconstruction of the target element. The system can gain further accuracy where the iterative reconstruction algorithm is applied using cone-beam forward projection and back projection.
    • 提供了具有图像采集元件和处理器的目标元件的三维断层合成成像系统。 图像采集元件从多个角度获得目标元件的多个图像,并且包括可相对于目标元件以多个角度定位的辐射源和放射线检测器。 放射线检测器被定位成检测通过目标元件的辐射源发射的辐射,并确定用于通过目标元件的辐射的多个衰减值,以建立用于特定辐射源的目标元件的辐射吸收投影图像 角度。 处理器被配置为对从多个辐射源角度获得的目标元件的辐射吸收投影图像应用迭代重建算法,以产生目标元素的三维重建。 在使用锥束前向投影和反投影应用迭代重建算法的情况下,系统可以获得进一步的准确性。
    • 69. 发明授权
    • Automatic release coupling
    • 自动释放联轴器
    • US5205600A
    • 1993-04-27
    • US853101
    • 1992-03-18
    • Richard Moore
    • Richard Moore
    • B63B21/60B63B23/58
    • B63B23/58B63B21/60
    • An automatic quick release coupling/decoupling mechanism for deploying and retrieving a tethered object such as a rescue boat, life boat, or the like, the mechanism generally comprised of a frame a hook member pivotally attached to the frame a lock member pivotally attached to the frame a lock pin slidably disposed in a slot in the frame and a trip member pivotally attached to the frame, the hook member having first and second hook portions adapted to engage the lock pin and a lift ring attached to the tethered object, respectively, and an attached counterweight disposed eccentric to the pivot point, the lock member having first and second recessed portions separated by a cam surface, the first recessed portion adapted to engage the lock pin in a first, locked position wherein the lock pin also engages the first hook portion of the hook member, whereby the lock pin may be biased within the frame slot along the cam surface of the lock member into the second recessed portion, thereby allowing the hook member to rotate freely about its pivot point when the moment generated thereabout by the eccentric counterweight overcomes frictional forces between the lift ring and the second hook portion of the hook subsequent to lowering the rescue boat into a body of water where buoyant forces on the boat relieve tension in the tether, and whereby the tethered object may be retrieved by reversing the process.
    • 一种用于部署和检索诸如救援船,救生艇等的系留物体的自动快速释放联接/解耦机构,该机构通常由框架构成,枢转地附接到框架上的钩构件,枢转地附接到框架的锁定构件 框架可滑动地设置在框架中的槽中的锁销和可枢转地附接到框架的跳闸构件,钩构件具有分别适于接合锁定销的第一和第二钩部分和附接到系留物体的提升环,以及 设置为偏心于枢转点的附接的配重,所述锁定构件具有由凸轮表面分开的第一和第二凹部,所述第一凹部适于在锁定销的第一锁定位置接合,其中所述锁定销还与所述第一钩 钩构件的一部分,由此锁销可以沿着锁定构件的凸轮表面偏置在框架槽内进入第二凹部,从而所有 由于钩构件围绕其枢转点自由旋转,当偏心配重产生的瞬间克服钩子的提升环和钩的第二钩部分之间的摩擦力,随后将救生艇降低到水体中,其中浮力 船可以缓解系链中的紧张,从而可以通过逆转过程来取回系留物。