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11.发明申请公开(公告)号：US20200057008A1
公开(公告)日：2020-02-20
申请号：US16348591
申请日：2017-11-16
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Toshiyasu SUYAMA , Tatsuya ONISHI
IPC: G01N23/18 , G01N23/087 , G01N23/04 , G01T1/20
Abstract: An X-ray detection device 30 comprises a low energy scintillator 31 configured to convert an X-ray of a low energy range into scintillation light, a low energy line sensor 32 configured to detect the scintillation light to output image data, a high energy scintillator 33 configured to convert an X-ray of a high energy range into scintillation light, and a high energy line sensor 34 configured to detect the scintillation light to output image data. Pixels L of the low energy line sensor 32 and pixels H of the high energy line sensor 34 are identical in number and are aligned at an identical pixel pitch, and a minimum filtering process is executed on the image data from the low energy line sensor 32, while an averaging process is executed on the image data from the high energy line sensor 34.
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公开(公告)号：US20170038314A1
公开(公告)日：2017-02-09
申请号：US15305148
申请日：2015-02-02
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Toshiyasu SUYAMA , Tatsuya ONISHI
CPC classification number: G01N23/04 , G01T1/2018 , G01T1/208
Abstract: An image acquisition device is an image acquisition device that acquires an X-ray transmission image of an object conveyed in a conveyance direction, and the image acquisition device includes an X-ray irradiator that outputs an X-ray, a belt conveyor that conveys the object in the conveyance direction, an X-ray detection camera having a scintillator that converts an X-ray penetrating the object into scintillation light, a line scan camera that detects the scintillation light and outputs a detection signal, and an amplifier that amplifies the detection signal at a predetermined set amplification factor and outputs a amplified signal, a controller that generates an X-ray transmission image based on the amplified signal, and an amplifier controller that sets one of a first amplification factor or a second amplification factor corresponding to an amplification factor lower than the first amplification factor as the set amplification factor based on a predetermined imaging condition.
Abstract translation: 图像获取装置是获取在传送方向上传送的物体的X射线透射图像的图像获取装置，并且图像获取装置包括输出X射线的X射线照射器，传送X射线的带式输送机 将具有将穿透物体的X射线转换为闪烁光的闪烁体的X射线检测照相机，检测闪烁光并输出检测信号的线扫描照相机，以及放大检测信号的放大器， 以预定的设定放大系数信号，输出放大信号，基于放大信号生成X射线透射图像的控制器，以及放大器控制器，设定与放大信号对应的第一放大倍数或第二放大倍数 基于预定的成像条件，该因子低于作为设定的放大因子的第一放大因子。
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公开(公告)号：US20160103231A1
公开(公告)日：2016-04-14
申请号：US14974975
申请日：2015-12-18
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Mototsugu SUGIYAMA , Toshiyasu SUYAMA
IPC: G01T1/20
CPC classification number: G01T1/2002 , G01N23/04 , G01N2223/611 , G01T1/20 , G01T1/2006
Abstract: A radiation image acquisition device includes: a radiation source which emits radiation; a wavelength conversion member of a flat plate shape which generates scintillation light according to incidence of the radiation emitted from the radiation source and transmitted by an object; first imaging means which condenses and images the scintillation light emitted from an entrance surface for the radiation in the wavelength conversion member; and second imaging means which condenses and images the scintillation light emitted from a surface opposite to the entrance surface in the wavelength conversion member, wherein one of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction of a normal thereto, and wherein the other of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction inclined with respect to a direction of a normal thereto.
Abstract translation: 辐射图像采集装置包括：发射辐射的辐射源; 平板形状的波长转换构件，其根据从所述辐射源发射并由物体发射的辐射的入射产生闪烁光; 第一成像装置，其对从波长转换构件中的辐射的入射表面发射的闪烁光进行冷凝和成像; 以及第二成像装置，其将从与所述波长转换构件中的入射面相反的表面发射的闪烁光聚焦并成像，其中所述第一成像装置和所述第二成像装置中的一个将从所述入射表面发射的闪烁光或相反的 并且其中第一成像装置和第二成像装置中的另一个在相对于其法线方向倾斜的方向上冷凝从入射面或相对表面发射的闪烁光。
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公开(公告)号：US20230344958A1
公开(公告)日：2023-10-26
申请号：US18214658
申请日：2023-06-27
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Mototsugu SUGIYAMA , Toshiyasu SUYAMA , Haruki SUZUKI
CPC classification number: H04N5/32 , G01T1/2002 , G01T1/2018
Abstract: An imaging unit includes a housing having a wall portion in which a slit for passing radiation is formed, a scintillator having an input surface to which radiation passing through the slit is input, a first mirror that reflects scintillation light output from the input surface, and a line scan camera that detects scintillation light reflected by the first mirror. The scintillator is placed to make the input surface parallel to both the conveying direction and a line direction. The first mirror is positioned outside an irradiation region connecting the peripheral edge of the slit to the input surface of the scintillator.
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15.发明公开公开(公告)号：US20230258580A1
公开(公告)日：2023-08-17
申请号：US18025215
申请日：2021-08-10
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Tetsuya TAKA , Toshiyasu SUYAMA
IPC: G01N23/04 , G01N23/083
CPC classification number: G01N23/04 , G01N23/083 , G01N2223/505 , G01N2223/643
Abstract: An imaging unit includes a housing having an entrance window that allows radiation transmitted through an object to pass through, a scintillator having an input surface to which radiation passing through the entrance window is input, and a line scan sensor having an imaging surface that captures an image of scintillation light output from the input surface. The imaging unit further includes a slit member placed between the entrance window and the scintillator and configured to guide radiation passing through the entrance window toward the input surface and a 1X lens placed between the scintillator and the line scan sensor and configured to form scintillation light output from the input surface into an image on the imaging surface of the line scan sensor.
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Patent Agency Ranking
公开(公告)号：US20230135988A1
公开(公告)日：2023-05-04
申请号：US17918380
申请日：2021-04-14
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Tatsuya ONISHI , Toshiyasu SUYAMA , Satoshi TSUCHIYA
IPC: G01T1/208 , G01N23/04 , G01N23/083
Abstract: A image acquiring device includes a camera configured to scan radiation passing through a target object in one direction and acquire an X-ray image, a scintillator configured to convert the X-rays into light, and a control device configured to input the X-ray image to a trained model constructed through machine learning in advance and execute a noise removal process. The camera includes a scan camera in which pixel lines each having M pixels arranged in one direction are configured to be arranged in N columns in a direction orthogonal to one direction and which is configured to output a detection signal for each of the pixels, and a readout circuit configured to output the X-ray image by adding the detection signals output from at least two pixels for each of the pixel lines of N columns in the scan camera and sequentially outputting the added N detection signals.
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公开(公告)号：US20190086558A1
公开(公告)日：2019-03-21
申请号：US16101967
申请日：2018-08-13
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Mototsugu SUGIYAMA , Toshiyasu SUYAMA
CPC classification number: G01T1/2002 , G01N23/04 , G01N2223/611 , G01T1/20 , G01T1/2006
Abstract: A radiation image acquisition device includes: a radiation source which emits radiation; a wavelength conversion member of a flat plate shape which generates scintillation light according to incidence of the radiation emitted from the radiation source and transmitted by an object; first imaging means which condenses and images the scintillation light emitted from an entrance surface for the radiation in the wavelength conversion member; and second imaging means which condenses and images the scintillation light emitted from a surface opposite to the entrance surface in the wavelength conversion member, wherein one of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction of a normal thereto, and wherein the other of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction inclined with respect to a direction of a normal thereto.
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18.发明申请公开(公告)号：US20170184514A1
公开(公告)日：2017-06-29
申请号：US15407528
申请日：2017-01-17
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Toshiyasu SUYAMA , Tadashi MARUNO , Toshihide SASAKI , Junichi SONODA , Shinji TAKIHI
CPC classification number: G01N23/04 , G01N23/046 , G01N23/06 , G01N23/083 , G01N23/087 , G01N2223/03 , G01N2223/04 , G01N2223/1016 , G01N2223/306 , G01N2223/33 , G01N2223/3307 , G01N2223/40 , G01N2223/401 , G01V5/0008 , G01V5/0016 , G01V5/0041 , G01V5/005
Abstract: A radiation image acquiring system is provided. An X-ray image acquiring system irradiates X-rays to a subject from an X-ray source, and detects X-rays transmitted through the subject. The X-ray image acquiring system includes a first detector for detecting X-rays that are transmitted through the subject to generate first image data, a second detector arranged in parallel to the first detector with a dead zone region sandwiched therebetween, for detecting X-rays that are transmitted through the subject to generate second image data, and a timing control section for controlling detection timing of the second detector based on a dead zone width of the dead zone region so that first image data to be generated by the first detector and second image data to be generated by the second detector mutually correspond.
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公开(公告)号：US20170122886A1
公开(公告)日：2017-05-04
申请号：US15337256
申请日：2016-10-28
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Mototsugu SUGIYAMA , Toshiyasu SUYAMA
IPC: G01N23/04
CPC classification number: G01N23/04 , G01N2223/33 , G01N2223/3306 , G01N2223/3308 , G01N2223/424 , G01N2223/505 , G01N2223/6113 , G01N2223/6116 , G01T1/20
Abstract: A radiation image acquisition system of an aspect of the present invention includes a radiation source emitting radiation toward an object, a holding unit holding the object, a wavelength conversion member generating scintillation light in response to incidence of the radiation emitted from the radiation source and transmitted through the object, a first imaging means condensing and imaging scintillation light emitted from an incidence surface of the radiation of the wavelength conversion member, a second imaging means condensing and imaging scintillation light emitted from a surface opposite to the incidence surface of the wavelength conversion member, a holding unit position adjusting means adjusting the position of the holding unit between the radiation source and the wavelength conversion member, and an imaging position adjusting means adjusting the position of the first imaging means.
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20.发明申请RADIATION DETECTION DEVICE, RADIATION IMAGE ACQUIRING SYSTEM, RADIATION INSPECTION SYSTEM, AND RADIATION DETECTION METHOD 有权辐射检测装置，辐射图像获取系统，辐射检查系统和辐射检测方法公开(公告)号：US20150139387A1
公开(公告)日：2015-05-21
申请号：US14603761
申请日：2015-01-23
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Toshiyasu SUYAMA , Tadashi MARUNO , Toshihide SASAKI , Junichi SONODA , Shinji TAKIHI
CPC classification number: G01N23/046 , G01N23/04 , G01N2223/1016 , G01N2223/306 , G01N2223/3307 , G01V5/0008 , G01V5/0016 , G01V5/0041
Abstract: A radiation image acquiring system is provided. An X-ray image acquiring system irradiates X-rays to a subject from an X-ray source, and detects X-rays transmitted through the subject. The X-ray image acquiring system includes a first detector for detecting X-rays that are transmitted through the subject to generate first image data, a second detector arranged in parallel to the first detector with a dead zone region sandwiched therebetween, for detecting X-rays that are transmitted through the subject to generate second image data, and a timing control section for controlling detection timing of the second detector based on a dead zone width of the dead zone region so that first image data to be generated by the first detector and second image data to be generated by the second detector mutually correspond.
Abstract translation: 提供了一种放射图像获取系统。 X射线图像获取系统从X射线源向被检体照射X射线，并且检测通过被检体传播的X射线。 X射线图像获取系统包括：第一检测器，用于检测通过被摄体透射的X射线以产生第一图像数据;第二检测器，与第一检测器平行布置，其中夹有死区区域，用于检测X射线; 通过对象发送的光线以产生第二图像数据;以及定时控制部分，用于基于死区区域的死区宽度来控制第二检测器的检测定时，使得由第一检测器生成的第一图像数据和 由第二检测器生成的第二图像数据相互对应。
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