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11 条记录 (耗时 0.029 秒)

    Digital sweep generator
    6.
    发明授权
    Digital sweep generator 失效
    数字扫描发生器

    公开(公告)号：US4943779A

    公开(公告)日：1990-07-24

    申请号：US195790

    申请日：1988-05-19

    申请人： Peder C. Pedersen ,  Thomas J. Green, Jr.

    发明人： Peder C. Pedersen ,  Thomas J. Green, Jr.

    IPC分类号： H03B23/00

    CPC分类号： H03B23/00 ,  H03B2200/0092

    摘要： A digital sweep generator includes a counter which receives a clock signal to generate a frequency output and an accumulator which sums the outputs of the counter at each clock. The value held by the accumulator is a quadratic function of time which is used as a phase representation to address a wave generator PROM. The PROM may be selectively coupled to different ranges of accumulator output to set the sweep rate.

    摘要翻译： 数字扫描发生器包括接收时钟信号以产生频率输出的计数器和在每个时钟对计数器的输出求和的累加器。 累加器保持的值是时间的二次函数，用作相位表示以寻址波发生器PROM。 PROM可以选择性地耦合到不同的累加器输出范围以设定扫描速率。

    Ultrasonic scanner for breast cancer examination
    8.
    发明授权
    Ultrasonic scanner for breast cancer examination 失效
    超声波扫描仪用于乳腺癌检查

    公开(公告)号：US4206763A

    公开(公告)日：1980-06-10

    申请号：US929982

    申请日：1978-08-01

    申请人： Peder C. Pedersen

    发明人： Peder C. Pedersen

    IPC分类号： A61B8/08 ,  G01N29/265 ,  A61B10/00

    CPC分类号： G01N29/265 ,  A61B8/0825 ,  A61B8/4461 ,  G01N29/0645 ,  Y10S128/915

    摘要： Ultrasonic examination for carcinoma of the breast is accomplished rapidly and reliably by the method and apparatus disclosed herein. The apparatus is comprised of a compartment in which water is drawn upward, by suction, over the breast being examined, and in which an ultrasonic transducer revolves around the breast to obtain complete 360.degree. scans. The patient can be seated in a comfortable position during the examination, and the total time required for examination in an asymptomatic case is estimated to be less than five minutes. The suction holds the breast in place, and there is no need for a membrane to cover the breast, thus improving the accuracy of the test. Various cross-sectional images of the breast may be generated by a conventional two-dimensional B-mode scanning technique.

    摘要翻译： 通过本文公开的方法和装置，可以快速可靠地实现乳腺癌的超声检查。 该装置包括一个隔室，其中水通过抽吸向上被抽吸在被检查的乳房上，并且超声波换能器围绕乳房旋转，以获得完整的360度扫描。 在检查期间患者可以坐在舒适的位置，无症状的检查所需的总时间估计不到5分钟。 抽吸将乳房保持在适当位置，不需要膜来覆盖乳房，从而提高了测试的准确性。 可以通过常规的二维B模式扫描技术产生乳房的各种横截面图像。

    WIRELESS ULTRASOUND TRANSDUCER USING ULTRAWIDEBAND
    10.
    发明申请
    WIRELESS ULTRASOUND TRANSDUCER USING ULTRAWIDEBAND 审中-公开
    无线超声波传感器使用ULTRAWIDEBAND

    公开(公告)号：US20100298711A1

    公开(公告)日：2010-11-25

    申请号：US12524933

    申请日：2008-01-28

    申请人： Peder C. Pedersen ,  Thomas L. Szabo ,  Philip Joseph Cordeiro

    发明人： Peder C. Pedersen ,  Thomas L. Szabo ,  Philip Joseph Cordeiro

    IPC分类号： A61B8/14

    CPC分类号： A61B8/00 ,  A61B8/4218 ,  A61B8/4472 ,  A61B8/461 ,  A61B8/56 ,  A61B8/565 ,  A61B8/585 ,  G01S7/003 ,  G01S7/52079 ,  G01S7/5208 ,  G01S15/899 ,  G06F19/3418

    摘要： Ultrasound imaging systems and methods are described that include a cableless front end having a UltraWideBand transceiver and a beamformer that transmit ultrasound data to a back end physically separated from the front end, with the back end having a UltraWideBand transceiver for receiving ultrasound data from the front end UltraWideBand transceiver via a peer-to-peer communication protocol. The back end unit can also receive and transmit commands to and from the front end unit to select an image mode and has a signal processor and scan converter that can convert ultrasound data into image data for display. An input device in the front end allows the operator to selectively display ultrasound data or patient data on an auxiliary worn display or the nearest local display.

    摘要翻译： 描述了超声成像系统和方法，其包括具有UltraWideBand收发器的无线前端和将超声数据发送到与前端物理分离的后端的波束形成器，其后端具有用于从前端接收超声数据的UltraWideBand收发器 通过对等通信协议实现终端UltraWideBand收发器。 后端单元还可以接收和发送来自前端单元的命令以选择图像模式，并且具有能够将超声数据转换成图像数据以供显示的信号处理器和扫描转换器。 前端的输入装置允许操作者在辅助佩戴的显示器或最近的本地显示器上选择性地显示超声数据或患者数据。