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    • 24. 发明授权
    • Quantitative pulmonary imaging
    • 定量肺成像
    • US06915151B2
    • 2005-07-05
    • US10071434
    • 2002-02-08
    • James BaumgardnerDavid LipsonRahim RiziDavid RobertsMitchell Schnall
    • James BaumgardnerDavid LipsonRahim RiziDavid RobertsMitchell Schnall
    • G01R33/54A61B5/055
    • G01R33/5601
    • The present invention comprises imaging and quantitative measurement of lung ventilation, particularly in a human lung. Methods for quantitative imaging of lung ventilation, and the further provided systems and algorithmic tools therefore, comprise three primary components: the combined MRI ventilation/perfusion (V/Q) imaging techniques using hyperpolarized helium-3 (3He) gas (H3He); the three-dimensional quantitative imaging of absolute lung perfusion (Q) and collection of local magnetic resonance image data therefrom to produce an absolute lung perfusion image data; and the algorithmic co-registration of the two image data sets, (HP-3He MRI image of V/Q and MR imaging of quantitative perfusion (Q) in the lung). From the data acquired in the combined data sets and their spatial co-registration, absolute ventilation (V) is computed.
    • 本发明包括肺通气的成像和定量测量,特别是在人肺中。 肺通气定量成像的方法,以及进一步提供的系统和算法工具包括三个主要组成部分:使用超极化氦-3( 3)的组合MRI通气/灌注(V / Q)成像技术 He)气(H 3 H 3); 绝对肺灌注(Q)的三维定量成像和从其中收集局部磁共振图像数据产生绝对肺灌注图像数据; 以及两个图像数据集的算法共同配准(在HP中的V-Q的HP-3 He MRI图像和定量灌注(Q)的MR成像)。 根据组合数据集中获取的数据及其空间共同登记,计算绝对通气量(V)。
    • 26. 发明授权
    • Multi-speed winch having epicyclic gear drive
    • 具有行星齿轮传动的多速绞车
    • US6042086A
    • 2000-03-28
    • US934997
    • 1997-09-22
    • David Roberts
    • David Roberts
    • B66D1/74B66D1/14
    • B66D1/7484B66D1/7431B66D1/7494
    • A winch having one orbital gear or one set of orbital gears to transmit drive from a drive shaft to a drum in which the orbital gear or a gear of the set of orbital gears transmits drive to the drum at different drive ratios from the drive shaft in accordance with the direction of rotation of the drive shaft. The orbital gear or set of orbital gears is/are double gears engaged with a stationary gear ring and a drivable gear ring. Transmission of drive is either from a carrier of the gear(s) or from the drivable gear ring depending on the direction of rotation of the drive shaft.
    • 一种具有一个轨道齿轮或一组轨道齿轮的绞盘,用于将驱动轴从驱动轴传递到鼓,其中轨道齿轮或该组轨道齿轮的齿轮以不同的传动比传动到鼓,驱动轴与驱动轴在 根据驱动轴的旋转方向。 轨道齿轮或一组轨道齿轮是与固定齿圈和可驱动齿轮环接合的双齿轮。 驱动器的传动是来自齿轮的载体或来自可驱动的齿轮,取决于驱动轴的旋转方向。
    • 27. 发明授权
    • Message queue for graphical user interface
    • US5801696A
    • 1998-09-01
    • US737037
    • 1996-10-11
    • David Roberts
    • David Roberts
    • G06F3/14G06F3/048G06F9/44G06F9/46G06F3/00
    • G06F9/546G06F9/4443
    • The present invention provides a data processing system arranged to run a plurality of applications, each application being associated with one or more windows, and each window being under the control of a user interface provided by the system. A method of operating such a system is also provided. The system according to the invention comprises: a display device for displaying the windows to a user; an input means for receiving events entered by a user from a plurality of input devices connectable to the system; a storage device for storing the user events received by the input means in queues for subsequent processing by the applications; and a queue control means for creating the queues in the storage device and for directing the user events received by the input means to selected queues in the storage device. The system is characterized in that each input device connected to the input means is categorized as either a pointing device or a non-pointing device, and the queue control means comprises: generation means for creating first and second sets of queues in said storage device, each queue in the first set being associated with a specific one of said windows, and each queue in the second set being associated with a non-pointing device from said plurality of input devices; routing means for directing each event entered via a pointing device to the queue in said first set which is associated with the window identified by that pointing device, and for directing each event entered via a non-pointing device to an open queue in the second set which is associated with that non-pointing device; and transfer means for transferring control of queues in said second set between the various windows as requested by the applications with which said windows are associated. By employing the above approach, the present invention uses a hybrid queue to handle user events in a GUI system. The problems associated with prior art techniques, for example, system lockup, extra user effort, and the inability to provide a `type ahead` facility, are avoided.