Isolation of short-circuited sensor cells for high-reliability operation of sensor array
    1.
    发明申请
    Isolation of short-circuited sensor cells for high-reliability operation of sensor array 有权
    隔离传感器阵列的高可靠性操作的短路传感器单元

    公开(公告)号:US20060145059A1

    公开(公告)日:2006-07-06

    申请号:US11028789

    申请日:2005-01-04

    IPC分类号: H01J40/14 G01J1/42 H03F3/08

    CPC分类号: H04R23/00 B06B1/0292

    摘要: A device comprising an array of sensors and a multiplicity of bus lines, each sensor being electrically connected to a respective bus line and comprising a respective multiplicity of groups of micromachined sensor cells, the sensor cell groups of a particular sensor being electrically coupled to each other via the bus line to which that sensor is connected, each sensor cell group comprising a respective multiplicity of micromachined sensor cells that are electrically interconnected to each other and not switchably disconnectable from each other, the device further comprising means for isolating any one of the sensor cell groups from its associated bus line and in response to any one of the micromachined sensor cells of that sensor cell group being short-circuited to ground. In one implementation, the isolating means comprise a multiplicity of fuses. In another implementation, the isolating means comprise a multiplicity of short circuit protection modules, each module comprising a current sensor circuit and an electrical isolation switch.

    摘要翻译: 一种包括传感器阵列和多条总线线路的设备,每个传感器电连接到相应的总线,并且包括相应多个微机械传感器单元组,特定传感器的传感器单元组彼此电耦合 通过连接该传感器的总线,每个传感器单元组包括彼此电互连并且不可切换地彼此分离的相应多个微机械传感器单元,该装置还包括用于隔离传感器 来自其相关联的总线线路的单元组以及响应于该传感器单元组的微机械传感器单元中的任一个被短路到地。 在一个实施方案中,隔离装置包括多个保险丝。 在另一实施方案中,隔离装置包括多个短路保护模块,每个模块包括电流传感器电路和电隔离开关。

    Fresnel zone imaging system and method
    2.
    发明申请
    Fresnel zone imaging system and method 有权
    菲涅耳区成像系统及方法

    公开(公告)号:US20070167786A1

    公开(公告)日:2007-07-19

    申请号:US11313449

    申请日:2005-12-20

    IPC分类号: A61B8/00

    CPC分类号: A61B8/00

    摘要: A method for Fresnel zone imaging is provided. The method comprises identifying a plurality of constructive regions and a plurality of destructive regions in an energy transmitting device and converting the destructive regions to the constructive regions by using an apodization profile. The apodization profile comprises apodization values for each constructive region and destructive region and the apodization values comprise real numbers.

    摘要翻译: 提供了一种菲涅耳带成像方法。 该方法包括在能量传输装置中识别多个构造区域和多个破坏性区域,并且通过使用变迹轮廓将破坏性区域转换为结构区域。 变迹曲线包括每个构建区域和破坏性区域的变迹值,并且变迹值包括实数。

    Imaging catheter and method for volumetric ultrasound
    4.
    发明申请
    Imaging catheter and method for volumetric ultrasound 审中-公开
    成像导管和体积超声的方法

    公开(公告)号:US20070167823A1

    公开(公告)日:2007-07-19

    申请号:US11314338

    申请日:2005-12-20

    IPC分类号: A61B8/14

    摘要: An imaging catheter assembly and method for use in volumetric ultrasound imaging and catheter-guided procedures are provided. The imaging catheter assembly comprises a transducer array for acquiring image data at a given image plane and a motion controller coupled to the transducer array for translating the transducer array along a direction perpendicular to a direction of the image plane in order to image a three-dimensional (3D) volume.

    摘要翻译: 提供了用于体积超声成像和导管引导过程的成像导管组件和方法。 成像导管组件包括用于在给定图像平面处获取图像数据的换能器阵列和耦合到换能器阵列的运动控制器,用于沿着垂直于图像平面方向的方向平移换能器阵列,以便将三维 (3D)音量。

    Accurate time delay estimation method and system for use in ultrasound imaging
    5.
    发明申请
    Accurate time delay estimation method and system for use in ultrasound imaging 审中-公开
    精确的时间延迟估计方法和系统用于超声成像

    公开(公告)号:US20070167802A1

    公开(公告)日:2007-07-19

    申请号:US11294047

    申请日:2005-12-05

    IPC分类号: A61B8/14

    摘要: A method for correcting beamforming time delay in an ultrasound system is provided. The method comprises transmitting a beam of ultrasound energy into an object with a transmit beamforming time delay. The method further comprises receiving a plurality of echo signals with a receive beamforming time delay and estimating beamforming time delay errors for each echo signal and each imaging direction. The method further comprises correcting the transmit and receive beamforming time delays and generating an ultrasound image of the object using the corrected transmission and reception beamforming time delays.

    摘要翻译: 提供了一种用于校正超声系统中的波束形成时间延迟的方法。 该方法包括以发射波束形成时间延迟将超声波束发射到对象中。 该方法还包括以接收波束成形时间延迟接收多个回波信号并估计每个回波信号和每个成像方向的波束成形时间延迟误差。 该方法还包括使用校正的发送和接收波束形成时间延迟校正发送和接收波束成形时间延迟并生成对象的超声图像。

    Time delay estimation method and system for use in ultrasound imaging
    6.
    发明申请
    Time delay estimation method and system for use in ultrasound imaging 失效
    用于超声成像的时间延迟估计方法和系统

    公开(公告)号:US20060004287A1

    公开(公告)日:2006-01-05

    申请号:US10882910

    申请日:2004-06-30

    IPC分类号: A61B8/00

    摘要: A method for correcting a time delay between at least two signals in ultrasound systems is provided. The ultrasound system comprises a beamformer processor comprising a summer coupled to the transducer array and configured for performing a complex operation on a first plurality of receive signals to generate a beamsum signal; wherein each of the receive signals comprise a corresponding beamforming delay and a complex filter coupled to the summer and configured to transform the beamsum signal to an analytical signal. The beamformer processor further comprises a plurality of correlator processors coupled to at least one respective transducer element and the complex filter, each correlator processor configured to calculate a correlation sum for at least one receive signal and at least one time delay estimator adapted to receive the correlation sum of at least one receive signal and configured to estimate the corresponding time delay using the correlation sum.

    摘要翻译: 提供了一种用于校正超声系统中的至少两个信号之间的时间延迟的方法。 所述超声系统包括波束形成器处理器,包括耦合到所述换能器阵列的加法器,并且被配置用于对所述第一多个接收信号执行复合运算以产生波束信号; 其中每个接收信号包括相应的波束成形延迟和耦合到加法器的复合滤波器,并且被配置为将波束信号转换成分析信号。 波束形成器处理器还包括耦合到至少一个相应的换能器元件和复合滤波器的多个相关器处理器,每个相关器处理器被配置为计算至少一个接收信号的相关和和适于接收相关性的至少一个时间延迟估计器 至少一个接收信号的和,并且被配置为使用相关和来估计对应的时间延迟。

    Adaptive ultrasound imaging system
    7.
    发明申请
    Adaptive ultrasound imaging system 有权
    自适应超声成像系统

    公开(公告)号:US20050283077A1

    公开(公告)日:2005-12-22

    申请号:US10872864

    申请日:2004-06-21

    申请人: Kenneth Rigby

    发明人: Kenneth Rigby

    IPC分类号: A61B8/12 G01S7/52 G01S15/89

    摘要: A method and system for operating an ultrasound system is provided. The method comprising estimating a relative motion between a transducer and an imaging subject and controlling an adaptive beamformer system in response to to an estimation of the relative motion.

    摘要翻译: 提供了一种用于操作超声系统的方法和系统。 该方法包括估计换能器和成像对象之间的相对运动,并且响应于相对运动的估计来控制自适应波束形成器系统。