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1.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。
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公开(公告)号：US09405023B2
公开(公告)日：2016-08-02
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
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。
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