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    • 2. 发明申请
    • TABLET ULTRASOUND SYSTEM
    • 薄片超声波系统
    • US20140114190A1
    • 2014-04-24
    • US13838694
    • 2013-03-15
    • Alice M. ChiangWilliam M. Wong
    • Alice M. ChiangWilliam M. Wong
    • A61B8/00
    • Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Certain embodiments provide a multi-chip module for an ultrasound engine of a portable medical ultrasound imaging system, in which a transmit/receive chip, an amplifier chip and a beamformer chip are assembled in a vertically stacked configuration. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for fabricating and assembling multi-chip modules as taught herein. A single circuit board of an ultrasound engine with one or more multi-chip modules may include 16 to 128 channels in some embodiments. Due to the vertical stacking arrangement of the multi-chip modules, a 128-channel ultrasound engine circuit board can be assembled within exemplary planar dimensions of about 10 cm×about 10 cm.
    • 示例性实施例提供用于便携式医疗超声成像的系统和方法。 某些实施例提供用于便携式医疗超声成像系统的超声引擎的多芯片模块,其中发射/接收芯片,放大器芯片和波束形成器芯片以垂直堆叠的配置组装。 示例性实施例还提供包括一个或多个多芯片模块的超声引擎电路板,以及包括具有一个或多个多芯片模块的超声引擎电路板的便携式医疗超声成像系统。 示例性实施例还提供了用于制造和组装如本文所教导的多芯片模块的方法。 具有一个或多个多芯片模块的超声引擎的单个电路板在一些实施例中可以包括16至128个信道。 由于多芯片模块的垂直堆叠布置,可以在约10cm×约10cm的示例性平面尺寸内组装128通道超声波引擎电路板。
    • 6. 发明授权
    • Sonar beamforming system
    • 声纳波束成形系统
    • US06842401B2
    • 2005-01-11
    • US09909141
    • 2001-07-19
    • Alice M. ChiangSteven R. Broadstone
    • Alice M. ChiangSteven R. Broadstone
    • G01S7/521G01S15/89G01S15/93G10K11/34H01Q3/26H01Q25/00H04B1/02
    • G10K11/346G01S7/521G01S15/8904G01S15/93G10K11/34H01Q3/26H01Q3/2682H01Q25/00
    • The present invention relates to sonar beamforming systems and methods, using a forward-looking sonar having transmit and receive transducer arrays with a beamforming device and at least one side-looking sonar having dynamically range-focused beams. The forward-looking sonar provides for obstacle avoidance and undersea survey. The systems include one-dimensional transmit and receive transducer arrays with beamforming electronics, a computing controller such as, for example, a personal computer host controller. The arrays and beamforming electronics can be packaged in a hermetically sealed housing unit and mounted in Unmanned Underwater Vehicles (UUV). The side-looking sonar system includes for example, 32-element, one-dimensional arrays that are mounted on either side of the UUVs. Further, a downward looking Bathymetric sonar may be mounted on the underside of the vehicle for high-resolution mapping.
    • 本发明涉及声纳波束成形系统和方法,其使用具有波束成形装置的发射和接收换能器阵列的前视声纳和具有动态范围聚焦波束的至少一个侧视声纳。 前瞻性声纳提供了避障和海底测量。 这些系统包括具有波束形成电子器件的一维发射和接收换能器阵列,诸如个人计算机主机控制器的计算控制器。 阵列和波束形成电子器件可以封装在密封的壳体单元中,并安装在无人水下车辆(UUV)中。 侧视声纳系统包括例如安装在UUV的任一侧上的32元素的一维阵列。 此外,可以在车辆的下侧安装向下看的测深声纳,用于高分辨率测绘。
    • 8. 发明授权
    • Portable ultrasound imaging system
    • 便携式超声成像系统
    • US5590658A
    • 1997-01-07
    • US496804
    • 1995-06-29
    • Alice M. ChiangSteven R. Broadstone
    • Alice M. ChiangSteven R. Broadstone
    • A61B7/04A61B8/00A61B8/12G01S7/00G01S7/52G01S15/89
    • A61B8/463A61B8/4236A61B8/546A61B8/56G01S15/8915G01S15/8934G01S15/8979G01S7/003G01S7/52053G01S7/52063G01S7/52073G01S7/5208A61B2560/045A61B7/04A61B8/00A61B8/12A61B8/4209A61B8/4455A61B8/4488G01S15/899G01S7/52023G01S7/52025G01S7/52026G01S7/52046
    • A portable ultrasound imaging system includes a handheld scan head coupled by a cable to a portable battery-powered data processor and display unit, preferably in the form of a lap-top computer. The scan head enclosure houses an array of ultrasonic transducers and the circuitry associated therewith, including pulse synchronizer circuitry used in the transmit mode to time transmission of ultrasonic pulses and beam forming circuitry used in the receive mode to dynamically focus reflected ultrasonic signals returning from the region of interest being imaged. Because the pulse synchronizer and beam forming circuits are integrated on small chips, they can be included in the scan head, resulting in a portable low-power system. Also, since the beam forming and summation functions are performed in the scan head in proximity to the transducer elements, signal loss is substantially reduced, resulting in much higher image quality. In addition, the focused summed signal is transferred to the data processor and display unit by a cable which is far less sophisticated and expensive than the cables used in prior systems to transfer all of the transducer signals to a console signal processing unit.
    • 便携式超声成像系统包括手持式扫描头,其通过电缆耦合到便携式电池供电的数据处理器和显示单元,优选地以膝上型计算机的形式。 扫描头外壳包含一组超声波换能器和与其相关联的电路,包括在发射模式中使用的脉冲同步器电路,用于在接收模式下使用超声波脉冲和波束形成电路的时间传输,以动态聚焦从该区域返回的反射超声波信号 感兴趣的被成像。 因为脉冲同步器和波束形成电路集成在小芯片上,所以它们可以被包括在扫描头中,从而产生便携式低功率系统。 此外,由于在扫描头中靠近换能器元件执行波束形成和求和功能,所以信号损耗显着降低,导致高得多的图像质量。 此外,聚焦的和信号通过电缆传送到数据处理器和显示单元,该电缆远远低于用于将所有传感器信号传送到控制台信号处理单元的现有系统中使用的电缆的复杂和昂贵。
    • 9. 发明授权
    • Charge domain block matching processor
    • 电荷域块匹配处理器
    • US5030953A
    • 1991-07-09
    • US551947
    • 1990-07-11
    • Alice M. Chiang
    • Alice M. Chiang
    • H04N7/26
    • H04N19/51
    • A full search block matching algorithm includes a charge-domain serial tapped delay line as an input buffer, and an array of charge domain signal processors. The delay line shifts and holds analog sampled data which are in the form of charge packets. At each stage of delay, the signals are nondestructively sensed and coupled to a corresponding signal processor, and the sampled data are transferred and subsequently processed in parallel. The processed data from all the processors can be read out either in a parallel or serial format through a parallel-in-serial-out output buffer. In this structure, only the serial input buffer has to be clocked at the system throughout rate; the internal clock rate of each processor is reduced by the number of parallel processors. Within each processor, all of the computation functions are performed in the charge domain, and local charge domain memories are included for storing the processed signal.
    • 全搜索块匹配算法包括充电域串行抽头延迟线作为输入缓冲器,以及电荷域信号处理器阵列。 延迟线移动并保持为电荷分组形式的模拟采样数据。 在延迟的每个阶段,信号被非破坏性地感测并耦合到对应的信号处理器,并且采样数据被传送并随后并行处理。 来自所有处理器的处理数据可以通过并行串行输出缓冲器以并行或串行格式读出。 在这种结构中,只有串行输入缓冲器必须以整个系统的时钟速率; 每个处理器的内部时钟速率减少了并行处理器的数量。 在每个处理器内,所有的计算功能都在电荷域中执行,并且包含本地电荷域存储器用于存储经处理的信号。