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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：US11506759B2
公开(公告)日：2022-11-22
申请号：US16183017
申请日：2018-11-07
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Ikuo Ishinabe , Kaoru Kumagai
Abstract: A distance measuring light projecting module comprises a light receiving module for receiving a reflected distance measuring light and a background light, a distance measuring unit for receiving the reflected distance measuring light and performs a distance measurement, an image pickup module for receiving the background light and for acquiring a background image, an optical axis deflector for integrally deflecting an optical axis of the distance measuring light and an optical axis of the background light, and an arithmetic control module for controlling the optical axis deflector, wherein the optical axis deflector has a rotary driving module for rotating a pair of disk prisms individually, and a projecting direction detecting module for detecting a rotation angle of each of the disk prisms.
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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：US11385052B2
公开(公告)日：2022-07-12
申请号：US16844210
申请日：2020-04-09
Applicant: TOPCON Corporation
Inventor： Nobuyuki Nishita , Fumio Ohtomo
Abstract: There is provided a surveying instrument including a tripod which is installed on an installation surface and a surveying instrument main body which is provided on the tripod and laterally rotatable around a longitudinal axis, wherein the tripod includes a reference leg has a known relationship between a lower end of the reference leg and a machine reference point which is a machine center of the surveying instrument main body, and two auxiliary legs, the reference leg is installed in such a manner that a lower end of the reference leg coincides with a reference point, wherein the surveying instrument main body calculates a position of the machine reference point with respect to the reference point based on the positional relationship between the lower end of the reference leg and the machine reference point.
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公开(公告)号：US20220163328A1
公开(公告)日：2022-05-26
申请号：US17527421
申请日：2021-11-16
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Takeshi Sasaki , Kaoru Kumagai
Abstract: Provided is a surveying instrument including a distance measuring module configured to measure a distance to an object, an optical axis deflector configured to deflect the distance measuring light, a measuring direction image pickup module configured to acquire an observation image, an arithmetic control module, and an operation panel includes a display module, the arithmetic control module is configured to cause the optical axis deflector to perform a scan with a predetermined scan pattern and create an overlay image as a superimposition of the locus of the scan pattern on the observation image, and calculate a formula of a straight line or a curve line based on a measurement result of intersections or the closest points to the intersections between the straight line or the curve line drawn along a ridge line or a contour of the object and the locus of the scan pattern on the displayed overlay image.
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Patent Agency Ranking
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：US10983196B2
公开(公告)日：2021-04-20
申请号：US16011697
申请日：2018-06-19
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A laser scanner comprising a distance measuring light projecting unit for emitting at least two distance measuring lights at a known deflection angle with respect to a projecting optical axis, a distance measuring unit for receiving at least two reflected distance measuring lights and performing a distance measurement, respectively, an optical axis deflector for deflecting optical axes of the distance measuring lights and the reflected distance measuring lights at the same deflection angle in the same direction, a projecting direction detecting module for deflecting a deflection angle and a deflecting direction by the optical axis deflector, and an arithmetic control module, wherein the arithmetic control module performs a two-dimensional scanning with the distance measuring lights, draws at least two loci on a plane to be measured, and measures the plane to be measured along at least the two loci substantially at the same time by the distance measuring unit.
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公开(公告)号：US10982957B2
公开(公告)日：2021-04-20
申请号：US16044635
申请日：2018-07-25
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Satoshi Yanobe
Abstract: A surveying system comprising a rover having an illuminating lamp for emitting an illumination light, a second azimuth indicator for detecting an azimuth angle of an optical axis of the illumination light, a surveying instrument comprises a surveying instrument main body and a rotary driving unit capable of rotating the surveying instrument main body in at least a left-and-right direction, wherein the surveying instrument main body comprises a first azimuth indicator for detecting an azimuth angle of a reference optical axis, and as arithmetic control module, and wherein the arithmetic control module is configured to calculate the azimuth angle of the reference optical axis which is in parallel or approximately parallel with the optical axis of the illumination light based on the azimuth angle of the optical axis of the illumination light received from the rover and the azimuth angle of the reference optical axis.
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公开(公告)号：US20210088333A1
公开(公告)日：2021-03-25
申请号：US17017871
申请日：2020-09-11
Applicant: TOPCON Corporation
Inventor： Ikuo Ishinabe , Fumio Ohtomo , Kaoru Kumagai
Abstract: A surveying instrument including an optical axis deflector which integrally deflects a distance measuring optical axis and a light receiving optical axis, a narrow-angle image pickup module having an optical axis a part of which is common to the distance measuring optical axis, a distance measurement calculation module and an arithmetic control module, in which the wavelength dispersion compensation prisms which is constituted of a plurality of optical members having the different wavelength characteristics are provided in the part of which is common to the distance measuring optical axis and the narrow-angle image pickup optical axis, the arithmetic control module performs the distance measurement of a measuring point based on a signal of the distance measuring light and a signal of the reflected distance measuring light, and acquires a narrow-angle image in which the dispersion has been compensated by the wavelength dispersion compensation prisms.
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公开(公告)号：US20200326186A1
公开(公告)日：2020-10-15
申请号：US16844210
申请日：2020-04-09
Applicant: TOPCON Corporation
Inventor： Nobuyuki Nishita , Fumio Ohtomo
Abstract: There is provided a surveying instrument including a tripod which is installed on an installation surface and a surveying instrument main body which is provided on the tripod and laterally rotatable around a longitudinal axis, wherein the tripod includes a reference leg has a known relationship between a lower end of the reference leg and a machine reference point which is a machine center of the surveying instrument main body, and two auxiliary legs, the reference leg is installed in such a manner that a lower end of the reference leg coincides with a reference point, wherein the surveying instrument main body calculates a position of the machine reference point with respect to the reference point based on the positional relationship between the lower end of the reference leg and the machine reference point.
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