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    CONSTRUCTION MACHINE
    1.
    发明公开
    CONSTRUCTION MACHINE 审中-公开

    公开(公告)号：EP4506514A1

    公开(公告)日：2025-02-12

    申请号：EP23784704.1

    申请日：2023-03-30

    Applicant: Hitachi Construction Machinery Co., Ltd.

    Inventor： ISHIHARA, Shinji ,  IZUMI, Shiho ,  TANAKA, Hiroaki ,  NAKAGI, Kenta

    IPC: E02F9/26 ,  G01C9/06 ,  G01C15/00

    Abstract: It is an object of the present invention to provide a construction machine that is capable of increasing the accuracy with which to calibrate a machine guidance system or a machine control system. To achieve the object, a controller determines whether a work implement is statically determinate or not on the basis of posture data of the work implement sensed by a posture sensor during a predetermined time after an instruction has been given to calibrate conversion parameters (a mounting angle and a link length) for converting the posture data of the work implement into the coordinates of a first predetermined position (bucket claw tip position) of the work implement, and, when determining that the work implement is statically determinate, calculates updated values of the conversion parameters on the basis the posture data of the work implement sensed by the posture sensor during the predetermined time and the coordinates of a second predetermined position (pin position) of the work implement measured by an external measuring device after the instruction has been given to calibrate the conversion parameters.

    INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD
    4.
    发明公开
    INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD 审中-公开

    公开(公告)号：EP4492004A1

    公开(公告)日：2025-01-15

    申请号：EP22937469.9

    申请日：2022-04-14

    Applicant: Nintendo Co., Ltd.

    Inventor： AJIMIZU, Tatsuya ,  TAMURA, Yoshitaka ,  AOKI, Takafumi ,  FUKUSHIMA, Yuki ,  YAMAMOTO, Hiroshi

    IPC: G01C15/00 ,  G01S17/89

    Abstract: An information processing system 1 comprises a station 10, a movable body 30 capable of moving with respect to the station, and one or a plurality of processors 34. The station has a first light source 12 and a two dimensionally driven MEMS mirror 15, and during the operation of the MEMS mirror, the station emits light rays from the first light source to a predetermined space around the station by reflecting the light rays with the MEMS mirror, thereby scanning the predetermined space two dimensionally with light rays. The movable body has a first light sensor 31 that detects reception of light rays. The processor has a direction specification unit 341 that specifies the value of a direction parameter indicating the direction of the movable body relative to the station on the basis of a timing at which the first light sensor has detected reception of light rays during scanning of the space by the station.

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