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    OPTICAL SORTER
    1.
    发明公开
    OPTICAL SORTER 审中-公开

    公开(公告)号：US20240261823A1

    公开(公告)日：2024-08-08

    申请号：US18567045

    申请日：2022-06-17

    Applicant: SATAKE CORPORATION

    Inventor： Kohtaro OKIMOTO ,  Tomoyuki MIYAMOTO

    IPC: B07C5/342 ,  B07C5/36

    CPC classification number: B07C5/3425 ,  B07C5/366 ,  B07C5/368

    Abstract: An optical sorter includes a transport means for transporting sorting targets, a discrimination means for optically discriminating the sorting targets, a sorting means for sorting the sorting targets based on the result of discrimination of the discrimination means, and a guide plate adapted to be contacted by the sorting targets thrown out from the transport means so as to guide the sorting targets to fall in a given falling direction, in which the guide plate includes a guide face and an opening, the guide face being capable of being contacted by the sorting targets, and the opening being provided to the guide face and penetrating the guide plate, the sorting means is arranged around the opening, and the position of the guide plate relative to the fall-down path of the sorting targets is adjustable together with the sorting means.

    OPTICAL SORTER
    2.
    发明申请
    OPTICAL SORTER 有权

    公开(公告)号：US20230001454A1

    公开(公告)日：2023-01-05

    申请号：US17777697

    申请日：2020-10-15

    Applicant: SATAKE CORPORATION

    Inventor： Tomoyuki MIYAMOTO

    IPC: B07C5/342 ,  B07C5/36

    Abstract: Provided is an optical sorter including a chute arranged in an inclined manner such that objects to be sorted flow down, an optical detecting unit configured to detect the objects to be sorted at a detection position, and an ejector unit configured to sort and remove the objects to be sorted based on a result of detection obtained by the optical detecting unit. The optical detecting unit includes an illuminating unit configured to illuminate the detection position, and an imaging unit configured to image the objects to be sorted at the detection position. The chute is provided with an optical detection slit orthogonally crossing a flowing down direction of the objects to be sorted. The optical detecting unit images the objects to be sorted flowing down on the chute with the imaging unit using a position at which the optical detection slit is provided as the detection position.

    OPTICAL SORTER
    3.
    发明公开
    OPTICAL SORTER 审中-公开

    公开(公告)号：US20230398578A1

    公开(公告)日：2023-12-14

    申请号：US18034088

    申请日：2021-11-09

    Applicant: SATAKE CORPORATION

    Inventor： Takafumi ITO ,  Tomoyuki MIYAMOTO

    IPC: B07C5/342 ,  B07C5/36

    CPC classification number: B07C5/3425 ,  B07C5/366 ,  F16K31/008

    Abstract: In an optical sorter that includes an optical detection unit to detect a to-be-sorted material at a detection position, a determining unit to determine a to-be-sorted material to be removed, based on a detection result by the optical detection unit, and an air-jetting unit to blow off and remove the to-be-sorted material to be removed using jet air of a compressed gas, based on a determination result by the determining unit, the air-jetting unit includes a piezoelectric valve to perform valve opening and closing by driving a valve disc utilizing displacement of a piezoelectric element, and a valve driving unit to apply a drive voltage to the piezoelectric element, and the valve driving unit controls the drive voltage applied to the piezoelectric element in accordance with the to-be-sorted material to be removed to thus control a jet-air pressure of the compressed gas for removing the to-be-sorted material.

    OPTICAL GRAIN DISCRIMINATING APPARATUS
    4.
    发明申请
    OPTICAL GRAIN DISCRIMINATING APPARATUS 有权

    公开(公告)号：US20230059349A1

    公开(公告)日：2023-02-23

    申请号：US17794195

    申请日：2021-01-22

    Applicant: SATAKE CORPORATION

    Inventor： Tomoyuki MIYAMOTO ,  Takuya NISHIDA ,  Hideaki ISHIZU ,  Masaaki SADAMARU

    IPC: B07C5/342 ,  G01N21/3563 ,  G01N21/359

    Abstract: An inspection unit for performing an optical inspection on a grain to be transferred by transfer means includes a visible light source, a near-infrared light source, a visible light detection unit, and a near-infrared light detection unit. A determination unit plots wavelength components of red (R), green (G), and blue (B), and a near-infrared light component in a three-dimensional space, to create a three-dimensional optical correlation diagram, for a plurality of good product samples and defective product samples, and sets a threshold value, in which: the wavelength components are detected by the visible light detection unit; and the near-infrared light component is detected by the near-infrared light detection unit.

    OPTICAL SORTER
    6.
    发明申请
    OPTICAL SORTER 有权

    公开(公告)号：US20220373472A1

    公开(公告)日：2022-11-24

    申请号：US17781795

    申请日：2020-12-14

    Applicant: SATAKE CORPORATION

    Inventor： Tomoyuki MIYAMOTO ,  Masaaki SADAMARU ,  Hiroaki TAKEUCHI ,  Tadashi MATSUSHITA

    IPC: G01N21/88 ,  B07C5/342

    Abstract: An optical sorter includes a first light source disposed on a first side, a second light source disposed on a second side, an optical sensor configured to detect light during a plurality of scan periods including a first scan period and a second scan period, a determination part configured to determine a foreign object and/or a defective product, and a light source control part. The light source control part is configured to control the first light source and the second light source during the first scan period so as to turn on the first light source and/or the second light source in a first lighting pattern, which is a lighting pattern arbitrarily selected from a lighting pattern in which the first light source and the second light source are at least partially on, a lighting pattern in which only one of the first light source and the second light source is at least partially on, and a lighting pattern in which only the other of the first light source and the second light source is at least partially on, and is also configured to control the first light source and the second light source during the second scan period so as to turn on the first light source and/or the second light source in a second lighting pattern, which is a lighting pattern selected arbitrarily except for the first lighting pattern.

    OPTICAL SORTER
    9.
    发明申请
    OPTICAL SORTER 有权

    公开(公告)号：US20230009210A1

    公开(公告)日：2023-01-12

    申请号：US17781793

    申请日：2020-12-01

    Applicant: SATAKE CORPORATION

    Inventor： Tomoyuki MIYAMOTO

    IPC: B07C5/342 ,  G01N21/85

    Abstract: An optical sorter includes an intermittent light source configured to intermittently emit light toward a plurality of sorting targets in transit, an optical sensor configured to detect the light associated with one sorting target among the plurality of sorting targets in transit during a plurality of intermittent light scan periods, a determination part configured to determine a foreign object and/or a defective product with respect to the one sorting target based on a signal acquired by the optical sensor, and a light source control part configured to control the intermittent light source. The light source control part is configured to control the intermittent light source in such a manner that, in a case where the intermittent light source is turned on during at least one intermittent light scan period among the plurality of intermittent light scan periods, a lighting period during which the intermittent light source is on and a non-lighting period during which the intermittent light source is off are provided and the lighting period is started at a timing delayed behind a start of the at least one intermittent light scan period in each of the at least one intermittent light scan period.

    OPTICAL SORTER
    10.
    发明申请
    OPTICAL SORTER 有权

    公开(公告)号：US20220008959A1

    公开(公告)日：2022-01-13

    申请号：US17295526

    申请日：2019-11-11

    Applicant: SATAKE CORPORATION

    Inventor： Tomoyuki MIYAMOTO ,  Takuya NISHIDA

    IPC: B07C5/342 ,  B07C5/36

    Abstract: An optical sorter includes optical sorting units adapted to sort materials by quality. A first optical sorting unit sorts the materials by quality and transfers a fraction of the materials discharged from a defectives discharge unit in the first optical sorting unit to a second optical sorting unit. A second optical sorting unit sorts the materials by quality and transfers a fraction of the materials discharged from a defectives discharge unit in the second optical sorting unit to a third optical sorting unit, which sorts the materials transferred from the second optical sorting unit by quality. The optical sorter allows a fraction of the materials to be transferred to the third optical sorting unit and sorted therein, the materials to be sorted being among the materials sorted by quality in the first optical sorting unit and being discharged from the defectives discharge unit of the first optical sorting unit.

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