-
公开(公告)号：US11598854B2
公开(公告)日：2023-03-07
申请号：US16398437
申请日：2019-04-30
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A surveying system comprises an object to be measured having a retro-reflector and a surveying instrument main body for emitting a distance measuring light and performing a measurement based on a reflected distance measuring light, wherein the surveying instrument main body comprises a distance measuring light projecting module, a photodetector, a measuring unit, an optical axis deflector which has a reference optical axis and deflects a distance measuring optical axis, a projecting direction detecting module which detects a deflection angle and a deflection angle direction of the distance measuring optical axis, and an arithmetic control module, and wherein the arithmetic control module is configured to control the optical axis deflector, to perform a two-dimensional scan with the distance measuring light, to detect the deflection angle direction of the distance measuring light at a moment of detecting a photodetecting signal by the projecting direction detecting module, and to move an approximate center of the two-dimensional scan in the detected deflection angle direction.
-
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.
-
公开(公告)号：US20230010931A1
公开(公告)日：2023-01-12
申请号：US17781832
申请日：2020-12-03
Applicant: TOPCON Corporation , Tierra S.p.A
Inventor： Riccardo Loti , Kaoru Kumagai
Abstract: A flight control system for an unmanned aerial vehicle comprises an unmanned aerial vehicle on which a reflector is mounted and a total station for tracking the reflector and for acquiring measurement data including three-dimensional coordinates of the reflector, wherein the total station comprises a tracking module for tracking the reflector, a TS-data transmitting module having an optical axis parallel or approximately parallel to a tracking optical axis of the tracking module and for emitting a TS-data transmitting light, and a TS-arithmetic control module, wherein the unmanned aerial vehicle has a photodetector for receiving the TS-data transmitting light and for emitting a photodetecting signal and a UAV-arithmetic control module for controlling a flight of the unmanned aerial vehicle, and wherein the TS-arithmetic control module is configured to superimpose the measurement data on the TS-data transmitting light, and the UAV-arithmetic control module is configured to separate the measurement data from the photodetecting signal and obtains a flight position of the unmanned aerial vehicle in real time.
-
公开(公告)号：US20220229182A1
公开(公告)日：2022-07-21
申请号：US17575726
申请日：2022-01-14
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Ikuo Ishinabe
Abstract: There is provided a surveying instrument including a distance measurement arithmetic module configured to measure a distance to an object and the reflection intensity of a reflected distance measuring light based on a distance measuring light and the reflected distance measuring light, a narrow-angle image pickup module configured to acquire an image with an axis of the distance measuring optical as a center, an optical axis deflector configured to have a wavelength dispersion compensation prism arranged in the distance measuring optical axis and deflect the distance measuring optical axis by the rotation of the wavelength dispersion compensation prism, an extracting means configured to extract an end face reflection image of the wavelength dispersion compensation prism from the image, and an arithmetic control module configured to calculate a deflecting direction of the optical axis deflector based on the end face reflection image extracted by the extracting means.
-
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.
-
Patent Agency Ranking
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.
-
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.
-
公开(公告)号：US10895632B2
公开(公告)日：2021-01-19
申请号：US15968913
申请日：2018-05-02
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Nobuyuki Nishita
Abstract: A target instrument has an object to be measured which is provided with a reflection sheet, wherein the total station has a distance measuring light projecting unit, a light receiving unit, a distance measuring unit for performing a distance measurement of an object to be measured, an optical axis deflector capable of deflecting the distance measuring optical axis two-dimensionally, a projecting direction detecting module for detecting a deflection angle of the distance measuring optical axis and performing an angle measurement, and an arithmetic control module for controlling the optical axis deflector and the distance measuring unit, wherein the arithmetic control module is configured to two-dimensionally scan the object to be measured with the distance measuring light and to perform a distance measurement and an angle measurement with respect to the object to be measured, and further to detect a tilt and a tilt direction of the target instrument.
-
公开(公告)号：US10823823B2
公开(公告)日：2020-11-03
申请号：US15894198
申请日：2018-02-12
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A surveying instrument comprises a distance measuring unit which includes a light emitting element, a distance measuring light projecting unit, a light receiving unit and a photodetector for producing a light receiving signal, and which performs a distance measurement of an object to be measured based on the light receiving signal, an optical axis deflecting unit for deflecting the distance measuring optical axis, a projecting direction detecting unit for detecting a deflection angle of the distance measuring optical axis and an arithmetic control component, wherein the optical axis deflecting unit comprises a pair of optical prisms capable of rotating and motors which individually and independently rotate the optical prisms, and wherein the arithmetic control component is configured to control the optical axis deflecting unit, to perform a two-dimensional scanning of the distance measuring light, to perform a distance measurement of when the light receiving signal is detected, to measure a horizontal angle and a vertical angle of the object to be measured, and to obtain three-dimensional coordinates of the object to be measured based on a distance value, and the horizontal angle and the vertical angle.
-
公开(公告)号：US10809360B2
公开(公告)日：2020-10-20
申请号：US15928471
申请日：2018-03-22
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A laser scanner comprises a scanner main unit, wherein the scanner main unit has a distance measuring light projecting component for projecting a distance measuring light, a light receiving component for receiving a reflected distance measuring light, a distance measuring component for performing a distance measurement based on a light receiving signal from the light receiving component, an optical axis deflecting unit for deflecting a distance measuring optical axis, a projecting direction detecting unit for detecting a deflection angle of the distance measuring optical axis, a storage component which stores three-dimensional design drawing data of an object to be measured and a control component for controlling the optical axis deflecting unit and the distance measuring component, wherein the control component acquires scanning data by scanning a measurement range and extracts an actual ridge line or an actual intersection point of the object to be measured based on the scanning data.
-
-
-
-
-
-
-
-
-
Search Results
89
records
(took 0.022 seconds)
