-
公开(公告)号：US20190162853A1
公开(公告)日：2019-05-30
申请号：US16195988
申请日：2018-11-20
Applicant: TOPCON Corporation
Inventor： Kaoru Kumagai , Ken-ichiro Yoshino
Abstract: A surveying instrument comprises a first measuring component having a control module and a second measuring component, wherein the control module acquires point cloud data of a whole circumference in a room with the use of the second measuring component in accordance with each installation point, makes the first measuring component to measure a predetermined position in the room, prepares outer shape data of a same height and a same shape in accordance with each installation point based on a measurement result of the first measuring component or the second measuring component, performs a shape matching of each outer shape data, and registers each point cloud data based on a movement amount and a rotation amount at the time of performing the shape matching.
-
公开(公告)号：US10935636B2
公开(公告)日：2021-03-02
申请号：US15936945
申请日：2018-03-27
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino
Abstract: A laser scanner comprises a distance measuring component for measuring a distance to a measuring point, a frame unit which horizontally rotates, a scanning mirror which scans a distance measuring light by rotating vertically, angle detecting components for detecting a horizontal angle of the frame unit and a vertical angle of the scanning mirror and an arithmetic control component, wherein the arithmetic control component sets a distance between measuring points adjacent in a radial direction as a first distance between measuring points, sets a distance between measuring points adjacent in a circumferential direction as a second distance between measuring points, calculates a first interval of measuring angles which becomes the first distance between measuring points and a second interval of measuring angles which becomes the second distance between measuring points at a measuring point and acquires point cloud data of a plane to be measured based on the first interval of measuring angles and the second interval of measuring angles.
-
公开(公告)号：US20200041268A1
公开(公告)日：2020-02-06
申请号：US16524329
申请日：2019-07-29
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino , Tadayuki Ito , Takahiro Komeichi
Abstract: A laser scanner which includes a mobile station calculates a two-dimensional fixed station coordinate system formed at least three fixed stations, calculates coordinates of intersections of at least three circles, which have the fixed stations as their centers and the distances between each of the fixed stations and the mobile station as their radii, at every predetermined angle as each positioning result of the mobile station while horizontally rotating the laser scanner by 360° around a mechanical point, averages each of the positioning results corresponding to 360° and calculates approximate mechanical point coordinates in the fixed station coordinate system.
-
公开(公告)号：US20190094363A1
公开(公告)日：2019-03-28
申请号：US16132869
申请日：2018-09-17
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Ken-ichiro Yoshino
Abstract: A laser measuring instrument comprises a light emitter, a driver, a scanning unit, a light receiving signal processing module for detecting a reciprocating time per pulsed light of a distance measuring light and performing a distance measurement, and a timing generating circuit for issuing a timing signal, wherein the timing generating circuit is configured to issue a timing signal for making the light emitter pulse-emit in a short cycle and a timing signal for pausing a light emission, the driver is configured to make the light emitter pulse-emit according to the timing signals, a light emission time interval in the short cycle is set such that a measuring point is multiply irradiated with the pulsed light by two or more times within a time when the pulsed light passes the measuring point, and the light receiving signal processing module is configured to integrate acquired light receiving signals and to carry out the distance measurement.
-
公开(公告)号：US20180087901A1
公开(公告)日：2018-03-29
申请号：US15700588
申请日：2017-09-11
Applicant: TOPCON Corporation
Inventor： Takahiro Komeichi , Tadayuki Ito , Ken-ichiro Yoshino
CPC classification number: G01C11/025 , G01C15/006 , G01S7/4808 , G01S17/023 , G01S17/89
Abstract: The invention provides a laser scanner system, which comprises a laser scanner which includes a distance measuring unit for receiving a reflection light of a distance measuring light from an object to be measured and performing a distance measurement, a scanning unit for rotatably irradiating the distance measuring light, a directional angle detecting unit for detecting an irradiating direction of the distance measuring light, a GNSS device, and a control arithmetic unit, wherein the laser scanner is installed at two points, and wherein the control arithmetic unit obtains global coordinates of installation positions of the laser scanner from the GNSS device respectively, scans the distance measuring light over a total circumference at each of the installation positions, acquires point cloud data of the total circumference, performs a shape matching of the two point cloud data and combines the two point cloud data.
-
Patent Agency Ranking
公开(公告)号：US09921062B2
公开(公告)日：2018-03-20
申请号：US15158629
申请日：2016-05-19
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino
CPC classification number: G01C15/008 , G01C15/002 , G01S17/023 , G01S17/42
Abstract: The invention provides a surveying instrument, which comprises a horizontal rotating unit, a measuring unit installed on the horizontal rotating unit, a coupler for mechanically coupling the horizontal rotating unit with the measuring unit, and a connector for electrically connecting the horizontal rotating unit with the measuring unit, wherein the coupler couples the horizontal rotating unit with the measuring unit and can separate from each other, the connector can electrically connect the horizontal rotating unit with the measuring unit and can separate from each other, wherein the horizontal rotating unit comprises a driving unit for rotating the measuring unit, a horizontal angle detector for detecting a horizontal angle, and a horizontal angle control unit for calculating horizontal angle data based on a signal from the horizontal angle detector and for controlling the driving unit, wherein the measuring unit comprises a distance measuring unit for performing a distance measurement, a vertical angle detector for detecting a vertical angle at a time of distance measurement, a vertical angle control unit for calculating vertical angle data based on detection results from the vertical angle detector, a coordinate calculating unit, and a main control unit, wherein the horizontal angle control unit transmits the horizontal angle data at the time of distance measurement to the coordinate calculating unit via the connector based on a control signal from the main control unit and distance measurement data by the distance measuring unit and the vertical angle data from the vertical angle control unit are inputted to the coordinate calculating unit, and the coordinate calculating unit is constituted so as to calculate three-dimensional data based on the horizontal angle data, the distance measurement data and the vertical angle data.
-
公开(公告)号：US10823563B2
公开(公告)日：2020-11-03
申请号：US16524329
申请日：2019-07-29
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino , Tadayuki Ito , Takahiro Komeichi
Abstract: A laser scanner which includes a mobile station calculates a two-dimensional fixed station coordinate system formed at least three fixed stations, calculates coordinates of intersections of at least three circles, which have the fixed stations as their centers and the distances between each of the fixed stations and the mobile station as their radii, at every predetermined angle as each positioning result of the mobile station while horizontally rotating the laser scanner by 360° around a mechanical point, averages each of the positioning results corresponding to 360° and calculates approximate mechanical point coordinates in the fixed station coordinate system.
-
公开(公告)号：US20180003825A1
公开(公告)日：2018-01-04
申请号：US15635566
申请日：2017-06-28
Applicant: TOPCON Corporation
Inventor： Takahiro Komeichi , Ken-ichiro Yoshino , Tadayuki Ito
CPC classification number: G01S17/89 , G01S7/4817 , G01S17/023 , G01S17/42 , G01S17/87 , G01S19/14
Abstract: The invention provides a laser scanner system, which comprises a laser scanner which includes a distance measuring unit for emitting a distance measuring light, receiving a reflected light, and performing a distance measurement, a scanning unit for rotatably irradiating the distance measuring light, a directional angle detecting unit for detecting an irradiating direction of the distance measuring light, a GNSS device and a control arithmetic unit, and a target which sets a back sight point, wherein the control arithmetic unit has a target scanning mode and a point cloud data measurement mode, and is configured to calculate point cloud data with a global coordinate value and a global coordinate value of the target based on the global coordinate value obtained by the GNSS device, a measurement result obtained by executing the point cloud data measurement mode and a measurement result obtained by executing the target scanning mode.
-
公开(公告)号：US11536567B2
公开(公告)日：2022-12-27
申请号：US16123196
申请日：2018-09-06
Applicant: TOPCON Corporation
Inventor： Taichi Yuasa , Ken-ichiro Yoshino
IPC: G01C15/00 , G01S17/10 , G01S7/48 , G01C3/08 , G01S7/484 , G01S7/4861 , G01J5/00 , G01J5/02 , G01S7/481 , G01C1/04 , G02B27/10
Abstract: A surveying instrument comprises a light projecting optical system for projecting a distance measuring light to a predetermined measuring point, a light receiving optical system for receiving a reflected distance measuring light and an infrared light from the measuring point, and an arithmetic control module for controlling a distance measurement and a temperature measurement based on light receiving results of the reflected distance measuring light and the infrared light, and the arithmetic control module measures a distance to the measuring point based on light receiving results of the reflected distance measuring light received by a photodetector of the light receiving optical system, and measures a temperature of the measuring point based on light receiving results of the infrared light received by a temperature sensor of the light receiving optical system.
-
公开(公告)号：US11435457B2
公开(公告)日：2022-09-06
申请号：US16524330
申请日：2019-07-29
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino , Taizo Eno , Hideki Morita , Kohei Fujita
Abstract: A surveying instrument comprises a projection optical system for irradiating a distance measuring light which is a linearly-polarized light to an object to be measured, a light receiving optical system for receiving a reflected distance measuring light from the object to be measured, a polarization selecting module for selecting a polarization of the reflected distance measuring light received by the light receiving optical system and an arithmetic control module for controlling a distance measurement based on a light receiving result of the reflected distance measuring light, wherein the arithmetic control module is configured to give a material information to a distance measurement result of the object to be measured based on a change in light receiving amounts caused due to a selection of the polarization by the polarization selecting module.
-
-
-
-
-
-
-
-
-
Search Results
19
records
(took 0.013 seconds)
