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    UNIVERSAL FOUR-SIDE BUTTABLE DIGITAL CMOS IMAGER
    31.
    发明申请
    UNIVERSAL FOUR-SIDE BUTTABLE DIGITAL CMOS IMAGER 有权
    通用四边可调数字CMOS图像

    公开(公告)号：US20160381311A1

    公开(公告)日：2016-12-29

    申请号：US14750067

    申请日：2015-06-25

    Applicant: General Electric Company

    Inventor： Jianjun Guo ,  Brian David Yanoff ,  Jonathan David Short ,  Biju Jacob

    IPC: H04N5/369 ,  H04N5/378

    CPC classification number: H04N5/369 ,  H01L27/14641 ,  H04N5/347 ,  H04N5/37457 ,  H04N5/378

    Abstract: An imager including sub-imager pixel arrays having a plurality of four-side buttable imagers distributed on a substrate and an on-chip digitizing readout circuit. Pixel groupings formed from among the plurality of four-side buttable imagers. The readout electronics including a buffer amplifier for each of the pixel groupings and connected to respective outputs of each four-side buttable imager of the pixel grouping. A plurality of shared analog front ends, each shared analog front end connected to respective multiple buffer amplifiers from among the plurality of pixel groupings. An analog-to-digital converter located at a common centroid location relative to the plurality of shared analog front ends, the analog-to-digital converter having a fully addressable input selection to individually select an output from each of the plurality of shared analog front ends. An output of the analog-to-digital converter connected to a trace on a back surface of the wafer substrate by a through-substrate-via.

    Abstract translation: 包括具有分布在基板上的多个四边对称成像器的子成像像素阵列和片上数字化读出电路的成像器。 从多个四面对面的成像器中形成的像素组。 读出电路包括用于每个像素分组的缓冲放大器，并且连接到像素分组的每个四面可图像成像器的相应输出。 多个共享模拟前端，每个共享模拟前端从多个像素分组中连接到相应的多个缓冲放大器。 一种模数转换器，位于相对于多个共享模拟前端的公共中心位置处，该模数转换器具有完全可寻址的输入选择，以单独选择多个共享模拟前端中的每一个的输出 结束。 模数转换器的输出通过基板通孔连接到晶片衬底背面上的迹线。

    DIGITAL X-RAY DETECTOR HAVING MULTI-TAP PIXELS
    32.
    发明申请
    DIGITAL X-RAY DETECTOR HAVING MULTI-TAP PIXELS 有权
    具有多点像素的数字X射线探测器

    公开(公告)号：US20160363674A1

    公开(公告)日：2016-12-15

    申请号：US14739981

    申请日：2015-06-15

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Biju Jacob ,  Jianjun Guo ,  Brian David Yanoff ,  Uwe Wiedmann

    IPC: G01T1/24 ,  H04N5/32

    CPC classification number: G01T1/247 ,  H04N5/32 ,  H04N5/3205 ,  H04N5/35572 ,  H04N5/37452

    Abstract: A digital X-ray detector is provided. The digital X-ray detector includes multiple pixels, each pixel including a pinned photodiode, and multiple readout channels coupled to each pinned photodiode, wherein each readout channel includes at least one charge-storage capacitor, an amplifier, and a transfer gate. The digital X-ray detector also includes control circuitry coupled to each pixel of the multiple pixels and configured to selectively control a flow of photocharge generated by each pinned photodiode to a respective at least one charge-storage capacitor of each respective readout channel via control of each respective transfer gate of each respective readout channel.

    Abstract translation: 提供数字X射线检测器。 数字X射线检测器包括多个像素，每个像素包括钉扎光电二极管和耦合到每个钉扎光电二极管的多个读出通道，其中每个读出通道包括至少一个电荷存储电容器，放大器和传输门。 数字X射线检测器还包括耦合到多个像素的每个像素的控制电路，其被配置为通过控制每个相应读出通道的相应的至少一个电荷存储电容器来选择性地控制由每个被钉扎的光电二极管产生的光电荷的流动 每个相应的读出通道的每个相应的传输门。

    Method apparatus and system for enhancing needle visualization in medical ultrasound imaging
    33.
    发明授权
    Method apparatus and system for enhancing needle visualization in medical ultrasound imaging 有权
    用于在医学超声成像中增强针可视化的方法装置和系统

    公开(公告)号：US09398895B2

    公开(公告)日：2016-07-26

    申请号：US14846271

    申请日：2015-09-04

    Applicant: General Electric Company

    Inventor： Yimeng Lin ,  Menachem Halmann ,  Feng Lin ,  Jianjun Guo

    IPC: A61B5/05 ,  A61B8/08 ,  A61B8/13 ,  A61B8/00 ,  A61B19/00 ,  G03B42/06

    CPC classification number: A61B8/0841 ,  A61B8/13 ,  A61B8/5215 ,  A61B8/54 ,  A61B2034/2063 ,  G03B42/06

    Abstract: The present invention discloses a method, apparatus and system for enhancing needle visualization in ultrasound imaging, said method comprising: a setting step for setting a scanning depth corresponding to a depth of a part or tissue target in a patient's body; and a determining step for automatically determining a needle frame steering angle and an ultrasound working frequency for needle frame collection based on the scanning depth. In the embodiments of the present invention, the needle frame steering angle and ultrasound working frequency for needle frame collection and the filter kernel for enhancing edge filtering of the collected needle frame are both dependent upon the scanning depth, and thereby can achieve enhancing needle visualization in ultrasound imaging for scanning at different depths without participation of the user or extra change of hardware.

    Abstract translation: 本发明公开了一种用于在超声成像中增强针可视化的方法，装置和系统，所述方法包括：设置步骤，用于设置与患者身体中的部分或组织目标的深度相对应的扫描深度; 以及基于扫描深度自动确定针框架转向角度和针框收集的超声波工作频率的确定步骤。 在本发明的实施例中，用于针框收集的针架转向角和超声波工作频率以及用于增强收集的针架的边缘过滤的滤芯都取决于扫描深度，从而可以实现增强针可视化 超声波成像用于不需要用户参与的不同深度的扫描或硬件的额外变化。

    SILICON PHOTOMULTIPLIERS WITH INTERNAL CALIBRATION CIRCUITRY
    34.
    发明申请
    SILICON PHOTOMULTIPLIERS WITH INTERNAL CALIBRATION CIRCUITRY 有权
    具有内部校准电路的硅光电子器件

    公开(公告)号：US20160182902A1

    公开(公告)日：2016-06-23

    申请号：US14574836

    申请日：2014-12-18

    Applicant: General Electric Company

    Inventor： Jianjun Guo ,  Sergei Ivanovich Dolinsky

    IPC: H04N17/00 ,  H04N5/341

    CPC classification number: H04N17/002 ,  G01T1/2018 ,  G01T1/208 ,  G01T1/248 ,  H04N5/341

    Abstract: A silicon photomultiplier includes a plurality of microcells providing a pulse output in response to an incident radiation, each microcell including circuitry configured to enable and disable the pulse output. Each microcell includes a cell disable switch. The control logic circuit controls the cell disable switch and a self-test circuit. A microcell's pulse output is disabled when the cell disable switch is in a first state. A method for self-test calibration of microcells includes providing a test enable signal to the microcells, integrating dark current for a predetermined time period, comparing the integrated dark current to a predetermined threshold level, and providing a signal if above the predetermined threshold level.

    Abstract translation: 硅光电倍增管包括响应于入射辐射提供脉冲输出的多个微单元，每个微单元包括被配置为启用和禁用脉冲输出的电路。 每个微单元包括单元禁用开关。 控制逻辑电路控制单元禁用开关和自检电路。 当单元禁用开关处于第一状态时，微单元的脉冲输出被禁止。 一种用于微小区的自检校准的方法包括向微小区提供测试使能信号，将暗电流集成预定时间段，将积分暗电流与预定阈值电平进行比较，以及如果高于预定阈值电平则提供信号。

    LOW IMPEDANCE INTERFACE CIRCUIT TO MAXIMIZE BANDWIDTH AND PROVIDE BIAS CONTROL
    36.
    发明申请
    LOW IMPEDANCE INTERFACE CIRCUIT TO MAXIMIZE BANDWIDTH AND PROVIDE BIAS CONTROL 有权
    低阻抗接口电路，最大限度地增加带宽和提供偏置控制

    公开(公告)号：US20140224963A1

    公开(公告)日：2014-08-14

    申请号：US13764960

    申请日：2013-02-12

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Jianjun Guo ,  Sergei Ivanovich Dolinsky ,  Changlyong Kim ,  James Lindgren Malaney ,  David Leo McDaniel ,  William Peterson

    IPC: G01T1/29

    CPC classification number: G01T1/2985 ,  A61B6/037 ,  G01R33/481 ,  G01T1/1603 ,  G01T1/1647

    Abstract: A multichannel application specific integrated circuit (ASIC) for interfacing with an array of photodetectors in a positron emission tomography (PET) imaging system includes a front end circuit configured to be coupled to the photodetectors and to receive discrete analog signals therefrom. The ASIC further includes a time discriminating circuit operably coupled to the front end circuit and configured to generate a hit signal based on a combination of the discrete analog signals, and an energy discriminating circuit operably coupled to the front end circuit and configured to generate a summed energy output signal based on each of the discrete analog signals and summed row and column output signals based on each of the discrete analog signals. The summed energy output signal represents an energy level of the detected radiation in the array of photodetectors, and the summed row and column output signals represent a location of the detected radiation.

    Abstract translation: 用于与正电子发射断层摄影（PET）成像系统中的光电检测器阵列接口的多通道专用集成电路（ASIC）包括被配置为耦合到光电检测器并从其接收分立的模拟信号的前端电路。 ASIC还包括时间鉴别电路，其可操作地耦合到前端电路并且被配置为基于离散模拟信号的组合产生命中信号，以及能量鉴别电路，其可操作地耦合到前端电路并且被配置为生成相加的 基于每个离散模拟信号的能量输出信号和基于每个离散模拟信号的相加的行和列输出信号。 相加的能量输出信号表示光电检测器阵列中检测到的辐射的能级，并且相加的行和列输出信号表示检测到的辐射的位置。

    Systems and methods for detector output adjustment
    38.
    发明授权
    Systems and methods for detector output adjustment 有权

    公开(公告)号：US10466368B2

    公开(公告)日：2019-11-05

    申请号：US15422833

    申请日：2017-02-02

    Applicant: General Electric Company

    Inventor： Geng Fu ,  Hua Qian ,  Hao Lai ,  Jianjun Guo ,  Adrian Ivan ,  Brian Yanoff

    IPC: G01T1/20 ,  G01T1/208

    Abstract: A silicon photomultiplier (SiPM) based detection system includes a plurality of scintillators, SiPMs, a front end circuit, adjustment circuits, and an energy and position processing unit. The SiPMs have a non-linear response to energy deposition corresponding to radiation detection. The adjustment circuit is configured to receive an analog signal from SiPMs, and to provide an adjusted analog signal, which is configured to simulate a signal corresponding to a linear response. The energy and position processing unit utilizes the adjusted signal to provide energy and position information of detected events in the detector block.

    Universal readout for silicon photomultiplier based detectors
    40.
    发明授权
    Universal readout for silicon photomultiplier based detectors 有权

    公开(公告)号：US09945965B2

    公开(公告)日：2018-04-17

    申请号：US15228300

    申请日：2016-08-04

    Applicant: General Electric Company

    Inventor： Geng Fu ,  Adrian Ivan ,  Jianjun Guo ,  Hao Lai ,  Hua Qian ,  Xiao Jin

    IPC: G01T1/20 ,  G01T1/24

    CPC classification number: G01T1/2018

    Abstract: A SiPM readout circuit includes a front-end circuit having amplifiers coupled to SiPM analog outputs, pixel readout channels coupled to amplifiers provide a timing signal representing gamma ray photon detection in individual SiPM, a block timing channel that creates a summed signal from all SiPMs, and generates a block timing signal and a validation signal, an energy channel that generates a summed energy signal and a two-dimensional position of the gamma ray photon detection in the block, and a control logic/processing circuit that performs a time stamp estimation method. Methods of determining the radiation event timing and a non-transitory computer-readable medium containing computer-readable instructions to implement the methods are disclosed.

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