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公开(公告)号：US20230284991A1
公开(公告)日：2023-09-14
申请号：US18167831
申请日：2023-02-10
Applicant: ISHIDA CO., LTD.
Inventor： Ken IWAKAWA , Futoshi YURUGI , Keisuke YOSHIDA
IPC: A61B6/00
CPC classification number: A61B6/482 , A61B6/4035
Abstract: An X-ray inspection apparatus includes: a transport unit configured to transport an article; an X-ray source configured to irradiate the article with X-rays; an X-ray detection unit configured to detect the X-rays using a photon counting method and to classify photon energy of the detected X-rays into two or more energy regions on the basis of a threshold value; a threshold value setting unit configured to set the threshold value; an X-ray image generation unit configured to generate two or more X-ray transmission images corresponding to the two or more energy regions on the basis of a detection result of the X-rays; and an inspection unit configured to inspect the article on the basis of the X-rays. The threshold value setting unit is configured to set the threshold value on the basis of gradations of the two or more X-ray transmission images.
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公开(公告)号：US20250137944A1
公开(公告)日：2025-05-01
申请号：US18923777
申请日：2024-10-23
Applicant: ISHIDA CO., LTD.
Inventor： Futoshi YURUGI , Kota TOMINAGA , Shojiro KITA , Satoshi ONDA
IPC: G01N23/18 , G01N23/04 , G01N23/083 , G01N33/02
Abstract: An X-ray inspection apparatus includes a conveying unit configured to convey an article, an irradiation unit configured to irradiate the article conveyed by the conveying unit with X-rays, a sensor unit in which detecting elements are arranged in a planar shape, an image generation unit configured to read detection results output from at least some of the detecting elements and generate an image, and a mode switching unit configured to switch an operation mode between a first mode in which a first electric power is supplied to the irradiation unit and a second mode in which a second electric power less than the first electric power is supplied to the irradiation unit, where the mode switching unit changes, when switching the operation mode from the first mode to the second mode, a read frequency at which the image generation unit reads the detection results.
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3.发明公开公开(公告)号：US20240310301A1
公开(公告)日：2024-09-19
申请号：US18595482
申请日：2024-03-05
Applicant: ISHIDA CO., LTD.
Inventor： Keisuke YOSHIDA , Futoshi YURUGI , Osamu HIROSE , Kazuyuki SUGIMOTO
IPC: G01N23/04 , G01N23/083
CPC classification number: G01N23/04 , G01N23/083 , G01N2223/643
Abstract: An X-ray inspection apparatus includes a conveying unit configured to convey an article, an X-ray source configured to irradiate the article with X-rays, a detection unit configured to detect the X-rays by photon counting, a threshold value setting unit configured to set a threshold value for discriminating the X-rays, an inspection unit configured to inspect the article on the basis of the X-rays transmitted through the article, the X-rays being detected by the detection unit, and a sensitivity correction unit configured to perform sensitivity correction of the detection unit on the basis of the X-rays not transmitted through the article, the detection unit is configured to discriminate and detect the X-rays into the two or more energy regions by using the threshold value, and the sensitivity correction unit is configured to perform the sensitivity correction when the threshold value setting unit changes the threshold value.
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公开(公告)号：US20240288592A1
公开(公告)日：2024-08-29
申请号：US18584859
申请日：2024-02-22
Applicant: ISHIDA CO., LTD.
Inventor： Futoshi YURUGI , Yoshiaki SAKAGAMI , Atsushi YAMAKAWA , Kota TOMINAGA
CPC classification number: G01T1/175 , G01N23/04 , G01N2223/1016 , G01N2223/3103 , G01N2223/643
Abstract: An X-ray inspection apparatus includes: a conveyance unit; an X-ray irradiation unit that irradiates an article conveyed by the conveyance unit with an X-ray; an X-ray detection unit that detects the X-ray that has transmitted through the article; an inspection unit that generates an X-ray transmission image from the X-ray detected by the X-ray detection unit and inspects the article on the basis of the X-ray transmission image; a housing that houses the X-ray irradiation unit and the X-ray detection unit; a cold air blower that cools air in the housing and guides cold air to the X-ray detection unit via a duct; a monitoring unit that monitors a state of the cold air blower; and a control unit that stops the supply of electric power to the X-ray detection unit in a case where an abnormality in the cold air blower is detected in the monitoring unit.
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公开(公告)号：US20230175984A1
公开(公告)日：2023-06-08
申请号：US18072471
申请日：2022-11-30
Applicant: ISHIDA CO., LTD.
Inventor： Keisuke YOSHIDA , Futoshi YURUGI
IPC: G01N23/04 , G01N23/083 , G06T7/00 , G06T5/50 , G06T5/40
CPC classification number: G01N23/04 , G01N23/083 , G06T7/0002 , G06T5/50 , G06T5/40 , G01N2223/50 , G01N2223/643 , G01N2223/04 , G01N2223/401 , G06T2207/10116 , G06T2207/20224
Abstract: An X-ray inspection apparatus includes a transport unit configured to transport an article, an electromagnetic wave irradiation unit configured to irradiate the article with a first electromagnetic wave in a first energy band and a second electromagnetic wave in a second energy band, an electromagnetic wave sensor configured to detect the first electromagnetic wave and the second electromagnetic wave, and a control unit to which a detection result is input. The control unit is configured to generate a first transmission image based on a detection result of the first electromagnetic wave and a second transmission image based on a detection result of the second electromagnetic wave, to perform image processing including a subtraction process on the first transmission image and the second transmission image, and to determine whether or not a foreign material is included in the article on the basis of a difference image.
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Patent Agency Ranking
公开(公告)号：US20250041902A1
公开(公告)日：2025-02-06
申请号：US18786428
申请日：2024-07-26
Applicant: ISHIDA CO., LTD.
Inventor： Shinya YUKI , Kazuyuki SUGIMOTO , Yoshiaki SAKAGAMI , Futoshi YURUGI
Abstract: An article sorting determination device including a conveying unit configured to convey an article, an acquisition unit configured to acquire first information and second information, the first information relating to a size of the article being conveyed by the conveying unit and the second information relating to a width of a passage port through which the article passes through downstream of the conveying unit; and a control unit configured to output a sorting signal for sorting the article from the conveying unit when determining that the article would get stuck in the passage port on the basis of the first information and the second information.
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公开(公告)号：US20210004951A1
公开(公告)日：2021-01-07
申请号：US16917052
申请日：2020-06-30
Applicant: ISHIDA CO., LTD.
Inventor： Atsushi IWAI , Futoshi YURUGI , Kota TOMINAGA , Hiroaki MAKI
Abstract: An X-ray inspection apparatus includes a storage unit configured to store therein a plurality of image processing algorithms; an acquisition unit configured to acquire, as a reference transmission image, a transmission image obtained by transmitting electromagnetic waves through an article to which a foreign matter is attached or a synthesized transmission image; an evaluation unit configured to evaluate detection accuracy of the foreign matter for each image processing algorithm based on an evaluation image obtained by processing the reference transmission image with the image processing algorithms stored in the storage unit; and a setting unit configured to set at least one of the image processing algorithms as an image processing algorithm selected in advance based on evaluation in the evaluation unit.
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公开(公告)号：US20250137945A1
公开(公告)日：2025-05-01
申请号：US18923783
申请日：2024-10-23
Applicant: ISHIDA CO., LTD.
Inventor： Futoshi YURUGI , Kota TOMINAGA
Abstract: An X-ray inspection apparatus includes a conveying unit configured to convey an article, an irradiation unit configured to irradiate the article conveyed by the conveying unit with X-rays, a sensor unit in which detecting elements that detect the X-rays are arranged in a planar shape, an image generation unit configured to read detection results output from at least some of the detecting elements at a predetermined time interval and generate an image, and a time setting unit configured to set the predetermined time interval, where the time setting unit is configured to multiplies the predetermined time interval by a magnification set on the basis of a conveyance speed of the conveying unit or the detection results.
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公开(公告)号：US20250123222A1
公开(公告)日：2025-04-17
申请号：US18898702
申请日：2024-09-27
Applicant: ISHIDA CO., LTD.
Inventor： Futoshi YURUGI
IPC: G01N23/04 , G01N23/083
Abstract: An X-ray inspection apparatus includes an X-ray radiator configured to generate X-rays by applying a first voltage between a negative pole and a positive pole in an X-ray bulb and radiate X-rays to a transported article, an X-ray detector configured to detect the X-rays radiated from the X-ray radiator, an inspection unit configured to generate an X-ray transmission image based on a detection result of the X-ray detector and inspect the article, and a control unit configured to change a voltage applied between the negative pole and the positive pole. The control unit applies a second voltage higher than the first voltage between the negative pole and the positive pole before starting radiation of X-rays generated by applying the first voltage or after completing radiation of X-rays generated by applying the first voltage.
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公开(公告)号：US20240407742A1
公开(公告)日：2024-12-12
申请号：US18605799
申请日：2024-03-14
Applicant: ISHIDA CO., LTD.
Inventor： Keisuke YOSHIDA , Futoshi YURUGI , Osamu HIROSE
Abstract: An X-ray inspection apparatus includes an irradiation unit configured to irradiate a conveyed article with X-rays, an X-ray sensor unit including a sensor unit configured to detect the X-rays by photon counting and an image generation unit configured to generate an image based on a detection result output from the sensor unit, and a control unit having a first mode for inspecting the article based on the image and a second mode for determining a state of the X-ray sensor unit at a time of time delay integration driving, in which the control unit is configured to compare a first image generated based on a detection result output from the sensor unit at a time t1 with a second image generated by integrating detection results output from the sensor unit until a time t2 after the time t1 to determine the state of the X-ray sensor unit.
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