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1. 发明申请

US20220196575A1 X-RAY IMAGING DEVICE 有权
公开(公告)号：US20220196575A1
公开(公告)日：2022-06-23
申请号：US17432611
申请日：2019-02-26
申请人： NATIONALUNIVERSITYCORPORATIONSHIZUOKAUNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Akifumi KOIKE
IPC分类号： G01N23/046 , G01S17/08 , A61B6/03
摘要： An X-ray imaging device that includes an X-ray source, an X-ray sensor that acquires intensity information of X-rays, a distance sensor that obtains distance information to a surface of an imaging object, and an information processing device that obtains imaging information by using the intensity information and the distance information. The information processing device includes an extraction unit that extracts information used in generation of the imaging information from the intensity information by using at least the distance information, and a reconstruction unit that generates the imaging information by using the intensity information.

2. 发明授权

US11179133B2 Collimater, radiation detection device, and radiation inspection device 有权
公开(公告)号：US11179133B2
公开(公告)日：2021-11-23
申请号：US16976371
申请日：2018-02-27
申请人： ANSEEN INC.
发明人： Hisashi Morii , Takaharu Okunoyama , Katsuyuki Takagi
IPC分类号： A61B6/00 , A61B6/03 , A61B6/10
摘要： Provided are a collimator, a radiation detection device, and a radiation inspection device that are capable of further removing scattered radiation. This collimator 20 comprises: a radiation blocking section 22; and a radiation transmission section 21 that has a lower radiation blocking rate than the radiation blocking section 22, penetrates the radiation blocking section 22, and is solid. The X-ray transmission section 21 of the collimator 20 is solid therefore X-rays on the low-energy side that have been scattered by a subject B in the X-ray transmission section 21 are absorbed, as a result of this collimator 20. Accordingly, there is little noise contained in X-rays detected by a radiation detection element 30 and a high-resolution X-ray image can be obtained.

3. 发明授权

US11921057B2 X-ray imaging device 有权
公开(公告)号：US11921057B2
公开(公告)日：2024-03-05
申请号：US17432611
申请日：2019-02-26
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru Aoki , Katsuyuki Takagi , Akifumi Koike
IPC分类号： G01N23/046 , A61B6/03 , G01S17/08
CPC分类号： G01N23/046 , A61B6/032 , G01S17/08 , G01N2223/323
摘要： An X-ray imaging device that includes an X-ray source, an X-ray sensor that acquires intensity information of X-rays, a distance sensor that obtains distance information to a surface of an imaging object, and an information processing device that obtains imaging information by using the intensity information and the distance information. The information processing device includes an extraction unit that extracts information used in generation of the imaging information from the intensity information by using at least the distance information, and a reconstruction unit that generates the imaging information by using the intensity information.

4. 发明公开

US20230378229A1 RADIOGRAPHIC DEVICE 审中-公开
公开(公告)号：US20230378229A1
公开(公告)日：2023-11-23
申请号：US18247914
申请日：2020-10-06
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Akifumi KOIKE , Tetsuya IIDA , Tomohiko KOSUGI
IPC分类号： H01L27/146 , G01T1/24
CPC分类号： H01L27/14661 , H01L27/14636 , G01T1/24 , G01T1/2018
摘要： A radiation imaging device includes a radiation detector having an electric charge generation part configured to generate an electric charge corresponding to energy of incident radiation and a reading part configured to output a digital value based on the electric charge, and a circuit board in which a plurality of radiation detectors are disposed two-dimensionally. The reading part includes a lead-out substrate in which a plurality of signal processing parts are disposed two-dimensionally, and an intermediate substrate disposed between the electric charge generation part and the lead-out substrate. A plurality of first intermediate electrodes are disposed on an intermediate input surface. A plurality of second intermediate electrodes are disposed on an intermediate output surface. An arrangement interval of the second intermediate electrodes is different from an arrangement interval of the first intermediate electrodes.

5. 发明申请

US20160356897A1 WAVEFORM DISCRIMINATION DEVICE, WAVEFORM DISCRIMINATION METHOD, AND WAVEFORM DISCRIMINATION PROGRAM 审中-公开
标题翻译：波形歧视设备，波形辨别方法和波形歧视程序
公开(公告)号：US20160356897A1
公开(公告)日：2016-12-08
申请号：US15121645
申请日：2014-02-28
申请人： ANSeeN, INC. , NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
发明人： Toru AOKI , Akifumi KOIKE
IPC分类号： G01T1/208
CPC分类号： G01T1/208 , G01T1/202
摘要： A waveform discrimination device includes: a waveform detector receiving waveforms of pulses to be measured and converting the waveforms to electrical signals; an analog amplifier expanding transient waveforms of the electrical signals along a time-domain axis; an AD converter converting the electrical signals to digital data in rise and fall times of the electrical signals; and a signal processing circuit calculating a characteristic-amount of the rise time as a point on a first coordinate axis by using the digital data, and calculating a characteristic-amount of the fall time as a point on a second coordinate axis, so as to define a set of the points on the first and second coordinate axes as a coordinate point, and plot the coordinate point on a discrimination plane, wherein, by plotted positions of the coordinate point, whether the pulses has a first waveform or a second waveform is discriminated.
摘要翻译：波形鉴别装置包括：波形检测器，接收要测量的脉冲波形并将波形转换成电信号; 模拟放大器沿着时域轴扩展电信号的瞬态波形; AD转换器将电信号转换成电信号的上升和下降时间的数字数据; 以及信号处理电路，通过使用数字数据，计算作为第一坐标轴上的点的上升时间的特征量，并且计算作为第二坐标轴上的点的下降时间的特征量，以便将第一坐标轴和第二坐标轴上的点的集合定义为坐标点，并且绘制坐标点上的坐标点，其中，通过坐标点的绘制位置，脉冲是否具有第一波形或第二波形歧视

6. 发明公开

US20240145521A1 RADIATION IMAGING DEVICE 审中-公开
公开(公告)号：US20240145521A1
公开(公告)日：2024-05-02
申请号：US18549293
申请日：2021-03-11
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Akifumi KOIKE
IPC分类号： H01L27/146 , G01T1/24
CPC分类号： H01L27/14661 , G01T1/247
摘要： A radiation imaging device includes charge generation chips configured to generate charges, reading chips configured to output a digital value based on the charges, and a circuit board configured to have the reading chips arranged thereon. The charge generation chips each have a charge output surfaces including a first output region facing the reading chip and a second output region facing a different reading chip. The reading chips each have signal input/output electrodes. The charge generation chips each have signal connection wirings extending from the first output region to the second output region and electrically connecting the signal input/output electrodes of the reading chip to the signal input/output electrodes of the different reading chip.

7. 发明公开

US20230341571A1 RADIATION DETECTOR AND RADIATION IMAGING DEVICE INCLUDING SAME 审中-公开
公开(公告)号：US20230341571A1
公开(公告)日：2023-10-26
申请号：US17793292
申请日：2020-11-24
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Kosuke KIMURA , Akifumi KOIKE
IPC分类号： G01T1/36 , A61B6/03 , A61B6/00
CPC分类号： G01T1/365 , A61B6/035 , A61B6/4241
摘要： An object is to provide intensity information and energy information while reducing processing load and power consumption. In a radiation detector, a radiation detection element, in which a plurality of pixels each configured to generate an electric charge corresponding to energy of X-rays penetrating a subject is two-dimensionally arranged, and a plurality of read circuits each configured to output an intensity signal of transmitted X-rays based on the electric charge generated by each of the plurality of pixels are stacked with each other, and some read circuits thinned out from a plurality of read circuits each generate a spectral signal related to a spectrum of a transmitted X-ray based on the electric charge and output the spectral signal.

8. 发明公开

US20230204799A1 RADIATION DETECTOR 审中-公开
公开(公告)号：US20230204799A1
公开(公告)日：2023-06-29
申请号：US17915790
申请日：2020-03-30
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Akifumi KOIKE
IPC分类号： G01T1/17
CPC分类号： G01T1/17
摘要： A radiation detector includes a charge generation part configured to generate charge corresponding to energy of an incident radiation, a preamplification part configured to output an analog signal corresponding to the charge, a signal conversion part configured to receive the analog signal and output a digital signal being the analog signal that has been discretized, an energy discrimination part configured to compare the digital signal to a threshold value and output components of the digital signal exceeding the threshold value, and an energy integration part configured to obtain an energy integrated value defined as a summation of the components exceeding the threshold value obtained each time the radiation enters.

9. 发明授权

US12111431B2 Radiation detector and radiation imaging device including same 有权
公开(公告)号：US12111431B2
公开(公告)日：2024-10-08
申请号：US17793292
申请日：2020-11-24
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru Aoki , Katsuyuki Takagi , Kosuke Kimura , Akifumi Koike
IPC分类号： G01T1/36 , A61B6/03 , A61B6/42
CPC分类号： G01T1/365 , A61B6/035 , A61B6/4241
摘要： An object is to provide intensity information and energy information while reducing processing load and power consumption. In a radiation detector, a radiation detection element, in which a plurality of pixels each configured to generate an electric charge corresponding to energy of X-rays penetrating a subject is two-dimensionally arranged, and a plurality of read circuits each configured to output an intensity signal of transmitted X-rays based on the electric charge generated by each of the plurality of pixels are stacked with each other, and some read circuits thinned out from a plurality of read circuits each generate a spectral signal related to a spectrum of a transmitted X-ray based on the electric charge and output the spectral signal.

10. 发明公开

US20240004092A1 RADIOGRAPHIC DEVICE 审中-公开
公开(公告)号：US20240004092A1
公开(公告)日：2024-01-04
申请号：US18252128
申请日：2020-11-13
申请人： NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY , ANSeeN Inc.
发明人： Toru AOKI , Katsuyuki TAKAGI , Akifumi KOIKE
IPC分类号： G01T1/24
CPC分类号： G01T1/247
摘要： A radiation imaging apparatus includes a plurality of pixels configured to generate an electric charge corresponding to energy or the number of particles of incident radiation, a plurality of signal processing parts respectively connected to the plurality of pixels and configured to generate a digital value based on the electric charge provided by each of the pixels, and a circuit board in which a radiation detector including the plurality of pixels and the plurality of signal processing parts is disposed in a two-dimensional manner. Each of the plurality of signal processing parts includes a signal conversion part configured to convert an analog value based on the electric charge into the digital value, and a clock signal generation part configured to provide a clock signal for generating a digital value to the signal conversion part.

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