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    SURVEYING SYSTEM, STAKING ASSISTANCE METHOD, AND STORAGE MEDIUM STORING STAKING ASSISTANCE PROGRAM
    101.
    发明申请
    SURVEYING SYSTEM, STAKING ASSISTANCE METHOD, AND STORAGE MEDIUM STORING STAKING ASSISTANCE PROGRAM 有权

    公开(公告)号：US20220065629A1

    公开(公告)日：2022-03-03

    申请号：US17445722

    申请日：2021-08-23

    Applicant: Topcon Corporation

    Inventor： Ryosuke SHIMIZU ,  Umihiro ICHIRIYAMA ,  Motohiro MIYAJIMA ,  Takashi TANAKA ,  Keisuke NAKAMURA

    IPC: G01C15/00 ,  G01C15/06

    Abstract: A surveying system for assisting placement of a slope staking tool including a picket, a crossbeam, and a slope beam. The surveying system includes a design information acquisition unit configured to acquire design information including a designed slope; a current slope estimation unit configured to calculate a current slope in accordance with the results of surveying the current slope; a first intersection calculation unit configured to calculate a coordinate of a first intersection between the current slope and the designed slope using the current slope estimated by the current slope estimation unit and the design information, and to display the coordinate on the screen unit; and a second intersection calculation unit configured to calculate, using the surveying device, an altitude difference between any position on the crossbeam placed and a plane including the designed slope and to display the altitude difference on the screen unit.

    CONSTRUCTION MEMBER MEASURING METHOD AND MEASUREMENT SYSTEM FOR THE METHOD
    102.
    发明申请
    CONSTRUCTION MEMBER MEASURING METHOD AND MEASUREMENT SYSTEM FOR THE METHOD 有权

    公开(公告)号：US20220035034A1

    公开(公告)日：2022-02-03

    申请号：US17365358

    申请日：2021-07-01

    Applicant: TOPCON CORPORATION

    Inventor： Nobuyuki NISHITA

    IPC: G01S17/42 ,  G01S17/89

    Abstract: Provided are a measuring method and a measurement system which enable scanning of only a member as a construction management target, and promptly obtain measurement results on-site. In order to achieve the above-described object, by using a measuring device including a distance-measuring unit configured to perform a non-prism measurement of a distance and an angle to a measurement point, a measurement system performs the non-prism measurement along a three-dimensional measurement line formed by connecting three-dimensional coordinates of two or more designated points designated on a three-dimensional space with respect to a measuring target by a straight line, and from three-dimensional coordinates of measurement points measured near the three-dimensional measurement line, calculates measurement results of a member spacing and/or a member thickness of the measuring target, and displays the measurement results on a display unit.

    SURVEYING APPARATUS
    103.
    发明申请
    SURVEYING APPARATUS 有权

    公开(公告)号：US20220011107A1

    公开(公告)日：2022-01-13

    申请号：US17363136

    申请日：2021-06-30

    Applicant: TOPCON CORPORATION

    Inventor： Takeshi KIKUCHI

    IPC: G01C15/00 ,  G01C15/06 ,  G01S17/36 ,  G01S17/89

    Abstract: Provided is a surveying apparatus including a distance-measuring unit for measuring a distance to a measurement point; an angle-measuring unit for measuring an angle to the measurement point; a control arithmetic unit configured to acquire three-dimensional coordinates of the measurement point as measurement data by performing distance and angle measurements by controlling the distance-measuring unit and the angle-measuring unit, to generate a projection image for displaying the measurement data on a surface of the measuring object by acquiring a three-dimensional shape of the measuring object based on the measurement data, and to control projection of the projection image onto the measuring object; and an image projecting unit including a display element for forming an image as the projection image, a light irradiating device for causing projection light to enter the display element, and a projector lens for projecting the projection image emitted from the display element onto a measuring object.

    EYEWEAR DISPLAY SYSTEM AND EYEWEAR DISPLAY METHOD
    106.
    发明申请
    EYEWEAR DISPLAY SYSTEM AND EYEWEAR DISPLAY METHOD 有权

    公开(公告)号：US20210404808A1

    公开(公告)日：2021-12-30

    申请号：US17354240

    申请日：2021-06-22

    Applicant: TOPCON CORPORATION

    Inventor： Satoshi YASUTOMI ,  Takeshi KIKUCHI

    IPC: G01C15/00 ,  G01C15/06 ,  G01S17/10 ,  G01S17/89 ,  G02B27/01 ,  G06F30/13

    Abstract: Provided is an eyewear display system 1 including a scanner 2 configured to irradiate pulsed distance-measuring light and acquire point cloud data as observation data; an eyewear device 4 including a display 41 and configured to detect its own position and direction; a storage device 66 configured to store an observation route calculated in consideration of three-dimensional CAD design data of an observation site and instrument information of the scanner; and an information processing device 60 including a coordinate synchronizing unit 601 configured to synchronize the eyewear device 4 and a coordinate space of the observation route 661, and an eyewear display control unit 602 configured to control display of the observation route on the display 41. The eyewear device 4 superimposes and displays the observation route 661 on a landscape of the site.

    Point cloud data extraction method and point cloud data extraction device
    107.
    发明授权
    Point cloud data extraction method and point cloud data extraction device 有权

    公开(公告)号：US11204243B2

    公开(公告)日：2021-12-21

    申请号：US16461160

    申请日：2018-02-28

    Applicant: RIKEN ,  TOPCON CORPORATION

    Inventor： Shin Yoshizawa ,  Hideo Yokota ,  Suguru Miyagawa

    IPC: G01B21/30 ,  G01B11/30 ,  G01C7/04 ,  G01B21/00

    Abstract: Target point cloud data about a specific road are extracted from perimeter point cloud data acquired by moving a road surface measurement device along a measurement route and scanning the surroundings thereof. A data storage unit stores trajectory point sequence data that represent, as a plurality of trajectory points, the perimeter point cloud data and a trajectory of the movement of the road surface measurement device. A trajectory point sequence setting unit acquires a trajectory point sequence at equal intervals from the trajectory point sequence data. An extraction area setting unit sets, as extraction areas, a column area Ci and a parallelepiped area Hi that are geometric areas disposed at predetermined positions below a trajectory point Xi. An approximate nearest neighbor search processing unit and an extraction processing unit extract, as the target point cloud data, point data that belong to this extraction area of the perimeter point cloud data.

    Surveying instrument and photogrammetric method
    109.
    发明授权
    Surveying instrument and photogrammetric method 有权

    公开(公告)号：US11193765B2

    公开(公告)日：2021-12-07

    申请号：US16707001

    申请日：2019-12-09

    Applicant: TOPCON Corporation

    Inventor： Fumio Ohtomo ,  Kaoru Kumagai ,  Tetsuji Anai

    IPC: G01C11/10 ,  G01C11/02

    Abstract: There is provided a surveying instrument including a distance measuring unit configured to measure a distance to an object to be measured, a measuring direction image pickup module which includes the object to be measured and is configured to acquire as observation image, an attitude detector is configured to detect a tilt of the surveying instrument main body and a arithmetic control module, and wherein the arithmetic control module is configured to extract each common corresponding point from a first image acquired at a first installing point and a second image acquired at a second installing point, perform the matching based on the corresponding point, and make a measurement of a positional relationship of the object to be measured with respect to the first installing point and the second installing point based on a matching image.

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