# US 2019/0170861 A1 · Surveying Instrument And Method For Assembling Total Station And Two-Dimensional Laser Scanner > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170861 A1 - Document ID: US20190170861A1 - Status: Published application - Kind: A1 - Application number: 16/202,322 - Filed: 2018-11-28 - Published: 2019-06-06 - Earliest claimed: 2017-12-05 - Assignees: Topcon Corporation - Applicants: TOPCON Corporation - Inventors: Naoto Takahashi; Yasushi Tanaka - Web page: https://patentgrep.com/patent/US20190170861A1 ## CPC - G01S 7/4817: {relating to scanning} - G01C 15/002: {Active optical surveying means (optical plumbing G01C15/105)} - G01S 7/4813: {Housing arrangements} - G01S 17/42: Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S17/46) - G01S 17/86: Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) ## Abstract Provided is a surveying instrument comprises a total station, a mounting base which is fixed on an upper surface of the total station at three points, and a two-dimensional laser scanner which is fixed on an upper surface of the mounting base at three points, wherein the total station is configured to perform a three-dimensional measurement of a measuring point by a first distance measuring light, wherein the two-dimensional laser scanner is configured to acquire point cloud data along a scanning line by a second distance measuring light. ## Claims ### Claim 1 A surveying instrument comprising: a total station, a mounting base which is fixed on an upper surface of said total station at three points, and a two-dimensional laser scanner which is fixed on an upper surface of said mounting base at three points, wherein said total station comprises a horizontal rotation driving unit for horizontally rotating said total station around a vertical axis as a center, a horizontal rotation detector for detecting a horizontal angle of said total station, a telescope unit incorporating a first distance measuring component for sighting a predetermined measuring point, emitting a first distance measuring light, and performing a distance measurement, a first vertical rotation driving unit for vertically rotating said telescope unit around a horizontal axis as the center, a first vertical angle detector for detecting a vertical angle of said telescope unit, and a control module, wherein said control module is configured to perform a three-dimensional measurement of said measuring point based on a distance measurement result, a detection result of said horizontal rotation detector, and a detection result of said first vertical angle detector, wherein said two-dimensional laser scanner comprises a base, a second distance measuring component which is provided on said base for emitting the second distance measuring light, and performing said distance measurement, a scanning mirror for deflecting said second distance measuring light within a vertical plane, a second vertical rotation driving unit for vertically rotating said scanning mirror around a horizontal axis as the center, and a second vertical angle detector for detecting a vertical angle of said scanning mirror, wherein said second distance measuring light is scanned by said scanning mirror, and point cloud data is acquired along a scanning line. ### Claim 2 (depends on 1) The surveying instrument according to claim 1, wherein said mounting base comprises a flange fixed to an upper surface of said total station on a lower side and a base plate fixed to said two-dimensional laser scanner on an upper side, wherein said mounting base is configured with the low rigidity with respect to said base. ### Claim 3 (depends on 2) The surveying instrument according to claim 2, wherein one of the left and the right of said flange is fixed to two points, the other of the left and the right of said flange is fixed to one point, one of the left and the right of said base plate is fixed to one point, and the other of the left and the right said base plate is fixed to two points. ### Claim 4 (depends on 3) The surveying instrument according to claim 3, wherein a conical receiving hole is formed in each of a central portion of an upper surface of said base plate and a central portion of a lower surface of said base, a spherical shaft member is interposed between said receiving holes, and said base plate and said base are fixed at three points with said shaft member sandwiched. ### Claim 5 (depends on 1) The surveying instrument according to claim 1, wherein said mounting base is fixed to a mounting pin protruded on said upper surface of said total station, and an upper surface of said mounting pin is formed into a spherical surface. ### Claim 6 (depends on 3) The surveying instrument according to claim 3, wherein a seat is interposed and bolted between said base and said base plate, and one surface of said seat is formed into a spherical surface. ### Claim 7 (depends on 1) The surveying instrument according to claim 1, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 8 A method for assembling a total station and a two-dimensional laser scanner comprising: having a total station, a mounting base fixed on an upper surface of said total station at three points, and a two-dimensional laser scanner fixed on an upper surface of said mounting base at three points, measuring at least two reference measuring points by said total station, measuring said two reference measuring points by said two-dimensional laser scanner, obtaining a difference between a measurement result of said two reference measuring points measured by said total station and a measurement result of said two reference measuring points measured by said two-dimensional laser scanner, and calibrating said total station and said two-dimensional laser scanner based on said difference. ### Claim 9 (depends on 2) The surveying instrument according to claim 2, wherein said mounting base is fixed to a mounting pin protruded on said upper surface of said total station, and an upper surface of said mounting pin is formed into a spherical surface. ### Claim 10 (depends on 3) The surveying instrument according to claim 3, wherein said mounting base is fixed to a mounting pin protruded on said upper surface of said total station, and an upper surface of said mounting pin is formed into a spherical surface. ### Claim 11 (depends on 4) The surveying instrument according to claim 4, wherein said mounting base is fixed to a mounting pin protruded on said upper surface of said total station, and an upper surface of said mounting pin is formed into a spherical surface. ### Claim 12 (depends on 2) The surveying instrument according to claim 2, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 13 (depends on 3) The surveying instrument according to claim 3, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 14 (depends on 4) The surveying instrument according to claim 4, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 15 (depends on 5) The surveying instrument according to claim 5, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 16 (depends on 6) The surveying instrument according to claim 6, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 17 (depends on 9) The surveying instrument according to claim 9, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 18 (depends on 10) The surveying instrument according to claim 10, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points. ### Claim 19 (depends on 11) The surveying instrument according to claim 11, wherein said control module allows said total station and said two-dimensional laser scanner to measure at least two reference measuring points respectively, and is configured to calibrate said total station and said two-dimensional laser scanner based on said measurement results of said reference measuring points.