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1. 发明申请

US20130170622A1 SYSTEM AND METHOD FOR REGULATING DATA ACQUISTION 有权
标题翻译：用于调节数据采集的系统和方法
公开(公告)号：US20130170622A1
公开(公告)日：2013-07-04
申请号：US13340175
申请日：2011-12-29
申请人： Naresh Kesavan Rao , Richard Gordon Cronce , German Guillermo Vera , Jianjun Guo
发明人： Naresh Kesavan Rao , Richard Gordon Cronce , German Guillermo Vera , Jianjun Guo
IPC分类号： H05G1/54
CPC分类号： A61B6/4233 , A61B6/5258 , A61B6/54
摘要： A method for regulating the acquisition of an analog input signal from a digital X-ray panel is provided. The method includes opening a switch disposed between an integrator and the digital X-ray panel prior to an integrator event or upon detection of a fault in the digital X-ray panel to decouple the integrator from the digital X-ray panel, wherein the integrator is configured to integrate the analog input signal from the digital X-ray panel. Also, a system for data acquisition is provided. Further, a method for fault protection of the digital X-ray panel is provided.
摘要翻译：提供了一种用于调节从数字X射线面板获取模拟输入信号的方法。该方法包括在积分器事件之前打开设置在积分器和数字X射线面板之间的开关，或者在检测到数字X射线面板中的故障以使积分器与数字X射线面板分离时，其中积分器被配置为集成来自数字X射线面板的模拟输入信号。此外，还提供了一种用于数据采集的系统。此外，提供了一种用于数字X射线面板的故障保护的方法。

2. 发明申请

US20120197130A1 RECEIVING CIRCUIT, ULTRASONIC PROBE, AND ULTRASONIC IMAGE DISPLAYING APPARATUS 审中-公开
标题翻译：接收电路，超声波探头和超声波图像显示装置
公开(公告)号：US20120197130A1
公开(公告)日：2012-08-02
申请号：US13016783
申请日：2011-01-28
申请人： Shinichi Amemiya , Bruno Haider , Naresh Kesavan Rao
发明人： Shinichi Amemiya , Bruno Haider , Naresh Kesavan Rao
IPC分类号： A61B8/14
CPC分类号： G01S7/52025 , G01S7/5208 , G01S15/8915 , G10K11/346
摘要： A receiving circuit in an ultrasonic probe that includes an ultrasonic transducer configured to receive ultrasonic waves is provided. The receiving unit includes an amplification unit configured to amplify an echo signal received at the ultrasonic transducer. The amplification unit includes a current output amplifier. The receiving circuit further includes a delay unit configured to provide a delay time to output signals of the amplification unit.
摘要翻译：提供了一种超声波探头中的接收电路，其包括被配置为接收超声波的超声波换能器。接收单元包括被配置为放大在超声波换能器处接收的回波信号的放大单元。放大单元包括电流输出放大器。接收电路还包括延迟单元，被配置为提供延迟时间以输出放大单元的信号。

3. 发明授权

US08044681B2 Apparatus and method for channel-specific configuration in a readout ASIC 有权
标题翻译：读出ASIC中通道特定配置的装置和方法
公开(公告)号：US08044681B2
公开(公告)日：2011-10-25
申请号：US12199039
申请日：2008-08-27
申请人： Naresh Kesavan Rao , Brian David Yanoff , Yanfeng Du , Jianjun Guo
发明人： Naresh Kesavan Rao , Brian David Yanoff , Yanfeng Du , Jianjun Guo
IPC分类号： H03K19/173
CPC分类号： G06G7/18 , A61B6/037
摘要： An application-specific integrated circuit (ASIC) comprising a plurality of channels, each channel having circuitry for time and energy discrimination, a plurality of programmable registers, each programmable register configured to output at least one configuration parameter for the circuitry, and a channel-select register configured to identify a channel of the plurality of channels to be configured. The ASIC further includes a configuration-select register configured to identify the programmable register to be used for channel configuration, and a communications interface configured to transmit instructions received from a controller to one of the channel-select register, the configuration-select register, and the plurality of programmable registers.
摘要翻译：一种专用集成电路（ASIC），包括多个通道，每个通道具有用于时间和能量鉴别的电路，多个可编程寄存器，每个可编程寄存器被配置为输出用于该电路的至少一个配置参数，选择寄存器，其被配置为识别要配置的多个信道的信道。 ASIC还包括配置选择寄存器，配置为识别要用于信道配置的可编程寄存器，以及通信接口，被配置为将从控制器接收的指令发送到频道选择寄存器，配置选择寄存器和多个可编程寄存器。

4. 发明授权

US08040270B2 Low-noise data acquisition system for medical imaging 有权
标题翻译：用于医学成像的低噪声数据采集系统
公开(公告)号：US08040270B2
公开(公告)日：2011-10-18
申请号：US12393762
申请日：2009-02-26
申请人： Naresh Kesavan Rao , Richard Gordon Cronce , Jianjun Guo
发明人： Naresh Kesavan Rao , Richard Gordon Cronce , Jianjun Guo
IPC分类号： H03M1/12
CPC分类号： H03M1/183 , H03M1/129
摘要： According to embodiments of the present technique, a system and a method for obtaining low-noise measurements for a wide range of analog signal strengths is provided. According to aspects of the present technique, a low-gain measurement of an input pixel charge is performed, wherein the input pixel charge is distributed to two feedback capacitors, which together provide a relatively low integrator gain. After the low-gain measurement, a high-gain measurement is performed, wherein one of the capacitors is remove from the feedback loop and the charge is redistributed to the remaining capacitor.
摘要翻译：根据本技术的实施例，提供了一种用于获得宽范围的模拟信号强度的低噪声测量的系统和方法。根据本技术的方面，执行输入像素电荷的低增益测量，其中输入像素电荷被分配到两个反馈电容器，这两个反馈电容器一起提供相对低的积分器增益。在低增益测量之后，执行高增益测量，其中电容器中的一个从反馈回路中去除，并且电荷被再分配到剩余电容器。

5. 发明授权

US07928398B2 Radiation detecting pixel array signal routing 有权
标题翻译：辐射检测像素阵列信号路由
公开(公告)号：US07928398B2
公开(公告)日：2011-04-19
申请号：US12335636
申请日：2008-12-16
申请人： Yanfeng Du , Naresh Kesavan Rao
发明人： Yanfeng Du , Naresh Kesavan Rao
IPC分类号： G01T1/24
CPC分类号： H01L27/14634 , G01T1/00 , H01L27/14636 , H01L27/14696 , H04N5/3742
摘要： An embodiment of the invention includes a radiation detecting pixel array. The radiation detecting pixel array includes a substrate, a plurality of radiation detecting pixels arranged in a grid pattern on the substrate, a signal routing array embedded within the substrate in operative communication with the plurality of radiation detecting pixels, and at least two symmetrical communication channels arranged on each of two sides of the grid pattern. The signal routing array is formed of communication channels configured to provide operative communication between any of the plurality of radiation detecting pixels and each of the at least two symmetrical communication channels.
摘要翻译：本发明的实施例包括辐射检测像素阵列。放射线检测像素阵列包括基板，以基板上的网格图形布置的多个辐射检测像素，嵌入在基板内的与多个辐射检测像素可操作地通信的信号路由阵列，以及至少两个对称的通信信道布置在网格图案的两侧的每一侧。所述信号路由阵列由通信信道形成，所述通信信道被配置为提供所述多个辐射检测像素中的任一个与所述至少两个对称通信信道中的每一个之间的操作性通信。

6. 发明申请

US20100148082A1 Radiation Detecting Pixel Array Signal Routing 有权
标题翻译：辐射检测像素阵列信号路由
公开(公告)号：US20100148082A1
公开(公告)日：2010-06-17
申请号：US12335636
申请日：2008-12-16
申请人： Yanfeng Du , Naresh Kesavan Rao
发明人： Yanfeng Du , Naresh Kesavan Rao
IPC分类号： G01T1/24 , H01L27/00
CPC分类号： H01L27/14634 , G01T1/00 , H01L27/14636 , H01L27/14696 , H04N5/3742
摘要： An embodiment of the invention includes a radiation detecting pixel array. The radiation detecting pixel array includes a substrate, a plurality of radiation detecting pixels arranged in a grid pattern on the substrate, a signal routing array embedded within the substrate in operative communication with the plurality of radiation detecting pixels, and at least two symmetrical communication channels arranged on each of two sides of the grid pattern. The signal routing array is formed of communication channels configured to provide operative communication between any of the plurality of radiation detecting pixels and each of the at least two symmetrical communication channels.
摘要翻译：本发明的实施例包括辐射检测像素阵列。放射线检测像素阵列包括基板，以基板上的网格图形布置的多个辐射检测像素，嵌入在基板内的与多个辐射检测像素可操作地通信的信号路由阵列，以及至少两个对称的通信信道布置在网格图案的两侧的每一侧。所述信号路由阵列由通信信道形成，所述通信信道被配置为提供所述多个辐射检测像素中的任一个与所述至少两个对称通信信道中的每一个之间的操作性通信。

7. 发明申请

US20100019163A1 Radiation Detector Power Management For Portable/Handheld Applications 有权
标题翻译：用于便携式/手持式应用的辐射检测器电源管理
公开(公告)号：US20100019163A1
公开(公告)日：2010-01-28
申请号：US12220230
申请日：2008-07-23
申请人： Yanfeng Du , Naresh Kesavan Rao , Brian David Yanoff , Wen Li
发明人： Yanfeng Du , Naresh Kesavan Rao , Brian David Yanoff , Wen Li
IPC分类号： G01T1/26 , G01T1/24
CPC分类号： G01T1/244 , G01T7/00
摘要： A radiation detector includes at least one multiple channel pixellated detector driven via a plurality of pixellated anode electrodes and at least one planar cathode electrode. Each detector is configured to reduce the number of active pixellated anode electrodes until a rate of events detected via at least one corresponding planar cathode electrode exceeds a preset threshold above a background count rate within a predetermined time period.
摘要翻译：辐射检测器包括经由多个像素化阳极电极和至少一个平面阴极电极驱动的至少一个多通道像素化检测器。每个检测器被配置为减少有源像素化阳极电极的数量，直到经由至少一个对应的平面阴极电极检测到的事件的速率超过预定时间段内的背景计数率的预设阈值。

8. 发明授权

US07388534B2 Adaptive data acquisition for an imaging system 有权
标题翻译：成像系统的自适应数据采集
公开(公告)号：US07388534B2
公开(公告)日：2008-06-17
申请号：US11458713
申请日：2006-07-20
申请人： Oliver Richard Astley , John Eric Tkaczyk , Naresh Kesavan Rao , James Walter LeBlanc , Wen Li , Yanfeng Du
发明人： Oliver Richard Astley , John Eric Tkaczyk , Naresh Kesavan Rao , James Walter LeBlanc , Wen Li , Yanfeng Du
IPC分类号： H03M1/12
CPC分类号： G01T1/17
摘要： An adaptive data acquisition circuit (26) includes an amplifier (14) for amplifying electrical pulses generated by a detector (12) responsive to energy incident at the detector. The adaptive data acquisition circuit also includes a counting circuit (28) for counting amplified electrical pulses generated by the amplifier. In addition, the adaptive data acquisition circuit includes a digital logic circuit (30) for determining a pulse parameter indicative of a pulse rate and an amount of energy present in the amplified electrical pulses and for generating a control signal (34) responsive to the pulse parameter for controlling an operating parameter of the data acquisition circuit.
摘要翻译：自适应数据采集电路（26）包括放大器（14），用于响应于在检测器处入射的能量放大由检测器（12）产生的电脉冲。自适应数据采集电路还包括用于对由放大器产生的放大电脉冲进行计数的计数电路（28）。另外，自适应数据采集电路包括数字逻辑电路（30），用于确定指示放大的电脉冲中存在的脉冲速率和能量的脉冲参数，并产生响应脉冲的控制信号（34）用于控制数据采集电路的工作参数的参数。

9. 发明授权

US08804909B2 System and method for regulating data acquistion 有权
标题翻译：用于调节数据采集的系统和方法
公开(公告)号：US08804909B2
公开(公告)日：2014-08-12
申请号：US13340175
申请日：2011-12-29
申请人： Naresh Kesavan Rao , Richard Gordon Cronce , German Guillermo Vera , Jianjun Guo
发明人： Naresh Kesavan Rao , Richard Gordon Cronce , German Guillermo Vera , Jianjun Guo
IPC分类号： H05G1/56 , H01J31/50
CPC分类号： A61B6/4233 , A61B6/5258 , A61B6/54
摘要： A method for regulating the acquisition of an analog input signal from a digital X-ray panel is provided. The method includes opening a switch disposed between an integrator and the digital X-ray panel prior to an integrator event or upon detection of a fault in the digital X-ray panel to decouple the integrator from the digital X-ray panel, wherein the integrator is configured to integrate the analog input signal from the digital X-ray panel. Also, a system for data acquisition is provided. Further, a method for fault protection of the digital X-ray panel is provided.
摘要翻译：提供了一种用于调节从数字X射线面板获取模拟输入信号的方法。该方法包括在积分器事件之前打开设置在积分器和数字X射线面板之间的开关，或者在检测到数字X射线面板中的故障以使积分器与数字X射线面板分离时，其中积分器被配置为集成来自数字X射线面板的模拟输入信号。此外，还提供了一种用于数据采集的系统。此外，提供了一种用于数字X射线面板的故障保护的方法。

10. 发明授权

US08451155B2 Transmission circuit, ultrasonic probe and ultrasonic image display apparatus 有权
标题翻译：传输电路，超声波探头和超声波图像显示装置
公开(公告)号：US08451155B2
公开(公告)日：2013-05-28
申请号：US13035675
申请日：2011-02-25
申请人： Shinichi Amemiya , Bruno Haider , Naresh Kesavan Rao , Krishnakumar Sundaresan , Thomas Halvorsrod
发明人： Shinichi Amemiya , Bruno Haider , Naresh Kesavan Rao , Krishnakumar Sundaresan , Thomas Halvorsrod
IPC分类号： H03M1/66
CPC分类号： H03M1/66 , H03M1/0682 , H03M1/745
摘要： A transmission circuit for use with an ultrasonic probe including an ultrasonic transducer is provided. The transmission circuit includes a high voltage current DAC configured to output a drive current of an ultrasonic transducer to transmit and receive ultrasound, and a waveform generator configured to output a control signal from the high voltage current DAC to the high voltage current DAC with a predetermined timing. The control signal configured to output the drive current with a desired magnitude.
摘要翻译：提供了一种与包括超声换能器的超声波探头一起使用的传输电路。传输电路包括高压电流DAC，其被配置为输出超声波换能器的驱动电流以发射和接收超声;以及波形发生器，被配置为以预定的方式从高电压电流DAC输出到高压电流DAC的控制信号定时。控制信号被配置为以期望的幅度输出驱动电流。

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