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    • 2. 发明申请
    • Systems and methods for ultrasound imaging
    • 超声成像系统和方法
    • US20060235302A1
    • 2006-10-19
    • US11385482
    • 2006-03-20
    • Jeffrey GrossmanScott PhillipsTimothy Davies
    • Jeffrey GrossmanScott PhillipsTimothy Davies
    • A61B8/00
    • A61B8/08A61B8/4494G01S7/5209G01S15/8993
    • Systems and methods are disclosed for improving the resolution and quality of an image formed by signals from an array of receivers. Multiple receivers introduce variations in arrival times that can be less than the period of an operating signal, and also less than the period associated with a sampling operation. Thus, multiple receivers allow sampling of fine features of reflected signals that would be considered beyond the resolution associated with the operating signal. Use of multiple receivers also provides an effective sampling rate that is greater than the sampling rate of an individual receiver. Similar advantages can be obtained using multiple transmitters. Such advantageous features can be used to obtain high resolution images of objects in a medium in applications such as ultrasound imaging. Sub-Nyquist sampling is discussed. Accounting for the effects of refraction on pathlengths as a signal passes between two regions of different sound speed allows improved calculation of focus distances. Extending the analysis to account for additional layers or sub-layers allows further improvement.
    • 公开了用于提高由来自接收器阵列的信号形成的图像的分辨率和质量的系统和方法。 多个接收器引入到达时间的变化,其可以小于操作信号的周期,并且还小于与采样操作相关联的周期。 因此,多个接收器允许对将被认为超出与操作信号相关联的分辨率的反射信号的精细特征进行采样。 使用多个接收器还提供了大于单个接收机的采样率的有效采样速率。 使用多个发射机可以获得类似的优点。 可以使用这样的有利特征来获得诸如超声成像的应用中的介质中的物体的高分辨率图像。 讨论了奈奎斯特采样。 考虑到信号通过不同声速的两个区域之间的折射对光程的影响,可以改善对焦距离的计算。 扩展分析以考虑额外的层或子层允许进一步改进。
    • 5. 发明申请
    • Systems and methods for improved imaging
    • 用于改进成像的系统和方法
    • US20060064015A1
    • 2006-03-23
    • US10945459
    • 2004-09-20
    • Timothy DaviesRichard Evans
    • Timothy DaviesRichard Evans
    • A61B8/06
    • G01S7/52028A61B8/4483G01S7/52003G01S7/52036G01S7/52046G01S15/8918G01S15/8927
    • Systems and methods are disclosed for improving the resolution and quality of an image formed by signals from an array of receivers. Multiple receivers introduce variations in arrival times that can be less than the period of an operating signal, and also less than the period associated with a sampling operation. Thus, multiple receivers allow sampling of fine features of reflected signals that would be considered beyond the resolution associated with the operating signal. Use of multiple receivers also provides an effective sampling rate that is greater than the sampling rate of an individual receiver. Similar advantages can be obtained using multiple transmitters. Such advantageous features can be used to obtain high resolution images of objects in a medium in applications such as ultrasound imaging.
    • 公开了用于提高由来自接收器阵列的信号形成的图像的分辨率和质量的系统和方法。 多个接收器引入到达时间的变化,其可以小于操作信号的周期,并且还小于与采样操作相关联的周期。 因此,多个接收器允许对将被认为超出与操作信号相关联的分辨率的反射信号的精细特征进行采样。 使用多个接收器还提供了大于单个接收机的采样率的有效采样速率。 使用多个发射机可以获得类似的优点。 可以使用这样的有利特征来获得诸如超声成像的应用中的介质中的物体的高分辨率图像。
    • 6. 发明授权
    • Active window seal
    • 活动窗口密封
    • US06702301B1
    • 2004-03-09
    • US09404668
    • 1999-09-23
    • Timothy DaviesCharles HopsonChristos KyrtsosJoseph TyckowskiFrancois Breynaert
    • Timothy DaviesCharles HopsonChristos KyrtsosJoseph TyckowskiFrancois Breynaert
    • F16J1548
    • F16J15/027B60J10/244E06B7/18E06B7/2318
    • An active window seal assembly is disclosed that operatively engages a movable window when the window is stationary and disengages the window when the window is in motion. The seal assembly comprises a stationary frame, a movable lip that is operatively connected to the stationary frame, and a cavity disposed between the stationary frame and the movable lip. Several configurations provide for movement of the movable lip when the movable window is in motion. The first configuration allows the cavity to inflate with air, thus forcing the movable lip away from the window. A second configuration provides that the air in the cavity be evacuated, thus pulling the movable lip away from the window. A third configuration provides that a voltage be applied to the stationary frame and the movable lip to create an electric field. The electric field draws the movable lip toward the stationary frame and away from the movable window.
    • 公开了一种主动窗密封组件,其在窗户静止时可操作地接合可移动窗口,并且当窗口运动时使窗口脱离窗口。 密封组件包括固定框架,可操作地连接到固定框架的可动唇缘和设置在固定框架和可移动唇缘之间的空腔。 当可移动窗口运动时,几种配置提供了可移动唇缘的移动。 第一配置允许空腔与空气一起膨胀,从而迫使可动唇缘远离窗户。 第二构造提供了空腔中的空气被抽空,从而将可移动的唇缘从窗口拉出。 第三构造提供了将电压施加到静止框架和可移动唇缘以产生电场。 电场将可移动唇朝着固定框架拉出并远离活动窗。
    • 7. 发明授权
    • Glass edge object detection sensor
    • 玻璃边缘物体检测传感器
    • US06515441B1
    • 2003-02-04
    • US09391066
    • 1999-09-07
    • Joseph TyckowskiChristos KyrtsosTimothy DaviesCharles HopsonFrancois BreynaertPascal Bonduel
    • Joseph TyckowskiChristos KyrtsosTimothy DaviesCharles HopsonFrancois BreynaertPascal Bonduel
    • G05B500
    • H03K17/964B60J7/0573E05F15/42E05F15/443E05Y2900/542
    • An object detection system includes a sensor in communication with a controller which identifies contact with the sensor. In a preferred embodiment the sensor is a piezo film which generates a signal when an object applies a predetermined force to the edge of the moveable glass member. This signal is identifiable by the controller in communication with the piezo film. Another embodiment of the sensor provides a pair of substantially parallel segments of conductive material applied along the edge of the window. When an object is in contact with both segments of conductive material an electrical signal is conducted and identified by the controller. When the controller determines an object is in contact with the sensor and therefore the moveable glass member, the controller halts or reverses the movement of the moveable glass member to prevent trapping the object between the closing moveable glass member and the frame.
    • 物体检测系统包括与识别与传感器的接触的控制器通信的传感器。 在优选实施例中,传感器是当物体对可移动玻璃构件的边缘施加预定力时产生信号的压电膜。 该信号可以通过与压电膜通信的控制器来识别。 传感器的另一个实施例提供一对基本上平行的沿窗口边缘施加的导电材料段。 当物体与导电材料的两个部分接触时,电信号由控制器进行和识别。 当控制器确定物体与传感器接触并因此可移动玻璃构件时,控制器停止或反转可移动玻璃构件的移动,以防止物体在关闭的可移动玻璃构件和框架之间被捕获。