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公开(公告)号：US10048063B2
公开(公告)日：2018-08-14
申请号：US15867892
申请日：2018-01-11
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: The invention provides a measuring instrument, which comprises an image pickup unit for acquiring an image of a range including an object to be measured, a distance measuring unit for two-dimensionally scanning a predetermined range in synchronization with an image acquisition and for measuring, an arithmetic control unit and an attitude detecting unit for detecting a tilt angle of the image pickup unit with respect to a horizontality, wherein the arithmetic control unit associates a measurement result and a detection result of the attitude detecting unit with each pixel on a scanning locus corresponding to an acquired image.
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公开(公告)号：US11598637B2
公开(公告)日：2023-03-07
申请号：US16565708
申请日：2019-09-10
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: A surveying instrument comprises a distance measuring unit configured to measure a distance to an object to be measured, an optical axis deflector configured to deflect a distance measuring light, a measuring direction image pickup module configured to acquires an observation image and an arithmetic control module, wherein the arithmetic control module is configured to continuously cut out sighting images around a tracking point set in the observation image, to set a first cutout sighting image as a reference sighting image, to calculate a movement amount of the sighting image with respect to the reference sighting image by an image matching of the reference sighting image and the sighting image and to control the optical axis deflector based on a calculation result in such a manner that the tracking point is positioned at a center of the sighting image.
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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
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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公开(公告)号：US20210293962A1
公开(公告)日：2021-09-23
申请号：US17202692
申请日：2021-03-16
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: There is provided a surveying instrument including a distance measuring light projecting module, a light receiving module, an optical axis deflector provided in a common portion of a distance measuring optical axis and a light receiving optical axis, a projecting direction detector which detects an optical axis deflection angle and a deflecting direction, a narrow angle image pickup module for a narrow angle of view, a distance measurement arithmetic module, and an arithmetic control module, wherein the arithmetic control module controls the optical axis deflector and the distance measurement arithmetic module, the distance measurement arithmetic module performs a distance measurement of a measuring point based on a transmission signal of a measuring light and a reception signal of a measuring light, the narrow angle image pickup module acquires a narrow angle image with reference to the distance measuring optical axis, a sighting is performed every different objects, and an acquisition of the narrow angle image and a three-dimensional measurement are performed.
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公开(公告)号：US10921430B2
公开(公告)日：2021-02-16
申请号：US15968881
申请日：2018-05-02
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
IPC: G01S7/48 , G01S7/481 , G01C15/00 , G01S17/42 , G01S3/782 , G01S3/789 , G01S17/66 , G01S17/86 , G01S17/46 , G01C15/06
Abstract: A target instrument has an illuminating lamp, wherein a total station has an optical axis deflector capable of deflecting a distance measuring optical axis, a projecting direction detecting module for performing an angle measurement of the distance measuring optical axis, an image pickup unit, and an arithmetic control module for controlling a deflecting action of the optical axis deflector and a distance measuring action of a distance measuring unit, wherein the arithmetic control module is configured to detect an illumination light from an image acquired by the image pickup unit, to acquire a direction of the illuminating lamp based on a detection result, to make the optical axis deflector to scan with a distance measuring light around the acquired direction and to perform a distance measurement and an angle measurement along a scanning path.
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Patent Agency Ranking
公开(公告)号：US11630208B2
公开(公告)日：2023-04-18
申请号：US15930462
申请日：2020-05-13
Applicant: Topcon Corporation
Inventor： Nobuyuki Nishita , Tetsuji Anai
Abstract: A measurement system includes: a storage configured to store design information including at least a dimension and a designed position of each of building components at a construction site; a component identifier configured to identify at least one of the building components constructed at the construction site as an identified building component, based on the designed position stored in the storage; a scanner configured to measure a distance and/or angle from the identified building component identified by the component identifier; a point cloud data generator configured to generate three-dimensional point cloud data, based on a result of the distance and/or angle measured by the scanner; and an actually measured position calculator configured to calculate an actually measured position of the identified building component, based on the three-dimensional point cloud data.
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公开(公告)号：US11598874B2
公开(公告)日：2023-03-07
申请号：US17202692
申请日：2021-03-16
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: There is provided a surveying instrument including a distance measuring light projecting module, a light receiving module, an optical axis deflector provided in a common portion of a distance measuring optical axis and a light receiving optical axis, a projecting direction detector which detects an optical axis deflection angle and a deflecting direction, a narrow angle image pickup module for a narrow angle of view, a distance measurement arithmetic module, and an arithmetic control module, wherein the arithmetic control module controls the optical axis deflector and the distance measurement arithmetic module, the distance measurement arithmetic module performs a distance measurement of a measuring point based on a transmission signal of a measuring light and a reception signal of a measuring light, the narrow angle image pickup module acquires a narrow angle image with reference to the distance measuring optical axis, a sighting is performed every different objects, and an acquisition of the narrow angle image and a three-dimensional measurement are performed.
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公开(公告)号：US11415414B2
公开(公告)日：2022-08-16
申请号：US16417891
申请日：2019-05-21
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: A surveying instrument comprises a monopod installed at a reference point, a surveying instrument main body provided at the monopod and having an attitude detector, wherein the surveying instrument main body carries out an image pickup and a scanning of an object to be measured at a pre-movement and a post-movement respectively, obtains at least three cross points of a locus of a scan pattern of the pre-movement and the post-movement, and calculates three-dimensional coordinates of an installation point of the post-movement based on three-dimensional coordinates of the cross points measured from the reference point, a measurement result of the cross points measured from the installation point of the post-movement and a detection result of the attitude detector.
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公开(公告)号：US20210382143A1
公开(公告)日：2021-12-09
申请号：US17338763
申请日：2021-06-04
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
Abstract: There is provided a surveying instrument including a distance measuring light projecting module, a light receiving module, an attitude detector, an optical axis deflector provided on a common portion of a distance measuring optical axis and a light receiving optical axis, a projecting direction detector configured to detect an optical axis deflection angle and a deflecting direction provided, a narrow angle image pickup module which has a field angle narrower than the wide angle image pickup module and a narrow angle image pickup optical axis which is partially shared with the distance measuring optical axis, and an arithmetic control module, in which a wavelength dispersion compensating prism is provided in a common portion, the arithmetic control module is configured to deflect the distance measuring optical axis in a horizontal direction by the optical axis deflector, to sequentially perform the distance measurement and the acquisition of the narrow angle image.
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公开(公告)号：US20200182614A1
公开(公告)日：2020-06-11
申请号：US16707001
申请日：2019-12-09
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
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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