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公开(公告)号：US09949702B2
公开(公告)日：2018-04-24
申请号：US14628509
申请日：2015-02-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jae-won Nam , Kyung-jun Noh , Seung-hwan Lee , Dae-woong Han
CPC classification number: A61B6/4291 , A61B6/4405 , A61B6/4411 , G01N23/04 , G21K1/02 , G21K1/025 , G21K1/10 , G21K5/08
Abstract: An X-ray grid structure is configured to be detachably attached to an X-ray detector and includes an X-ray grid configured to selectively transmit X-rays; and holders fixed along an outer edge of the X-ray grid, wherein at least one of the holders includes an elastic material and is configured to be bendable in a direction crossing an attachment direction, which is a direction of attaching the X-ray detector to the X-ray grid.
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公开(公告)号：US10806414B2
公开(公告)日：2020-10-20
申请号：US15706557
申请日：2017-09-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae-won Nam , Seung-hwan Lee , Jung-min Kim , Ku-il Jang
Abstract: A mobile X-ray imaging apparatus includes a main body performing X-ray imaging by operating an X-ray source, a movable wheel provided in a lower end of the main body and capable of moving the main body, and a support portion comprising a wheel support plate supporting the movable wheel capable of rotating, a frame connected to the main body and supporting the wheel support plate capable of moving, an elastic member disposed between the frame and the wheel support plate and applying an elastic force to the wheel support plate in a direction in which the movable wheel faces a ground, and a stopper restricting a movement of the wheel support plate, wherein the elastic force of the elastic member is smaller than a minimum load applied to the movable wheel.
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公开(公告)号：US10542948B2
公开(公告)日：2020-01-28
申请号：US15700017
申请日：2017-09-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae-won Nam , Seung-hwan Lee , Jung-min Kim
IPC: A61B6/00
Abstract: A mobile X-ray imaging apparatus includes a main body, a driving wheel provided in a lower portion of the main body and capable of moving the main body, a drive motor configured to drive the driving wheel, a motor encoder configured to detect a rotation speed of the drive motor, a driving wheel rotation state detector configured to detect a rotation state of the driving wheel, the driving wheel rotation state detector comprising a rotation state detection sensor located at the main body, and a bracket coaxially connected to the driving wheel and allowing the rotation state detection sensor to detect an ON/OFF state according to the rotation state of the driving wheel, and a controller configured to control the drive motor based on information detected by the motor encoder and the driving wheel rotation state detector.
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公开(公告)号：US20180110489A1
公开(公告)日：2018-04-26
申请号：US15700017
申请日：2017-09-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae-won Nam , Seung-hwan Lee , Jung-min Kim
IPC: A61B6/00
CPC classification number: A61B6/4405 , A61B6/54 , A61B6/58 , A61B6/586 , G01D5/3473 , G01P3/486
Abstract: A mobile X-ray imaging apparatus includes a main body, a driving wheel provided in a lower portion of the main body and capable of moving the main body, a drive motor configured to drive the driving wheel, a motor encoder configured to detect a rotation speed of the drive motor, a driving wheel rotation state detector configured to detect a rotation state of the driving wheel, the driving wheel rotation state detector comprising a rotation state detection sensor located at the main body, and a bracket coaxially connected to the driving wheel and allowing the rotation state detection sensor to detect an ON/OFF state according to the rotation state of the driving wheel, and a controller configured to control the drive motor based on information detected by the motor encoder and the driving wheel rotation state detector.
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