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    MULTIFUNCTIONAL PUSH-PULL MOP
    4.
    发明公开
    MULTIFUNCTIONAL PUSH-PULL MOP 审中-公开

    公开(公告)号：US20230255437A1

    公开(公告)日：2023-08-17

    申请号：US18141066

    申请日：2023-04-28

    Applicant: Je Hun KIM

    Inventor： Je Hun KIM

    IPC: A47L13/256

    CPC classification number: A47L13/256

    Abstract: A multifunctional push-pull mop includes a base plate, a support member, and an elastic member. A user can bring the base plate to which a cleaning cloth is attached into close contact with a floor, a wall, a ceiling, or the like, using a small force, and when the user moves the base plate to which the cleaning cloth is attached from a boundary portion between a floor and a wall or between a wall and a ceiling to the floor, wall, or ceiling, the base plate can be rotated by the elastic restoration force of the elastic member to instantly come into close contact with the floor, wall, or ceiling, thereby allowing the user to conveniently move the base plate from the boundary portion of the floor, the wall, the ceiling, or the like, without detaching the base plate therefrom.

    System and Method for Assisting a Visually Impaired Individual
    6.
    发明申请
    System and Method for Assisting a Visually Impaired Individual 有权

    公开(公告)号：US20210154827A1

    公开(公告)日：2021-05-27

    申请号：US16694977

    申请日：2019-11-25

    Applicant: Jeong Hun Kim

    Inventor： Jeong Hun Kim

    IPC: B25J9/00 ,  B25J9/16 ,  G01C21/36

    Abstract: A system and method for assisting a visually impaired individual provides a guide robot that can guide a user to a desired destination. The guide robot includes at least one camera device, at least one distance measurement device, a global positioning system (GPS) module, and a controller. The camera device, the distance measurement device, and the GPS module are used to capture data of the area surrounding the guide robot in order to track and detect path obstacles along an intended geospatial path. The intended geospatial path is virtually generated in accordance to a set of navigational instructions that can be provided by the user. The user can provide the navigational instructions through a set of voice commands and/or through a computerized leash. The guide robot can notify the user of the path obstacles along the intended geospatial in order to safely guide the user to the desired destination.

    Memory device
    7.
    发明授权
    Memory device 有权

    公开(公告)号：US10109644B2

    公开(公告)日：2018-10-23

    申请号：US15385152

    申请日：2016-12-20

    Applicant: Yoo Cheol Shin ,  Tae Hun Kim

    Inventor： Yoo Cheol Shin ,  Tae Hun Kim

    IPC: H01L27/11582 ,  H01L23/535 ,  H01L29/36 ,  H01L29/423 ,  H01L27/11565 ,  H01L27/1157 ,  H01L27/11573 ,  H01L27/11575

    Abstract: In one embodiment, the semiconductor device includes a substrate having an impurity region, and the substrate and the impurity region have a different impurity characteristic. The semiconductor device further includes a stack of alternating first interlayer insulating layers and gate electrode layers on the substrate; at least one second interlayer insulating layer formed on the stack; a plurality of bit lines formed on the second interlayer insulating layer; and a first plurality of channel structures formed through the stack on the substrate. The first plurality of channel structures are electrically connected to respective ones of the plurality of bit lines. A second plurality of channel structures are formed through the stack on the impurity region, and the second plurality of channel structures are electrically insulated from the plurality of bit lines.

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