Patents by Inventor Nobuyuki Nishita
Nobuyuki Nishita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11585900Abstract: In measurement with a surveying device having a surveying function and a laser scanner function, three-dimensional coordinates of a reflecting prism acquired with the surveying function and three-dimensional coordinates of a vertex of a polyhedron generated by processing point group data acquired with the laser scanner function are made to coincide with each other. The reflecting prism is used together with the surveying device having the surveying function and the laser scanner function, is provided to a measurement target object, and is disposed in such a position that the vertex position of the measurement target object coincides with or is considered to coincide with the optical center position of the prism.Type: GrantFiled: October 25, 2018Date of Patent: February 21, 2023Assignee: TOPCON CORPORATIONInventors: Nobuyuki Nishita, Yasushi Tanaka
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Publication number: 20230045338Abstract: The present management system includes a design database recording member identification information and member shape information on construction members constituting a construction object, a measurement database recording point coordinates of measurement points of the construction object, a member shape information acquiring unit configured to acquire the member shape information of a shape calculation member selected among the construction members recorded in the design database, a member in-range determining unit configured to determine whether coordinates of an object point selected among the measurement points recorded in the measurement database are of the shape calculation member by using the member shape information of the shape calculation member, and an allocated measurement data creating unit configured to record the object point in association with member identification information of the shape calculation member in the measurement database.Type: ApplicationFiled: January 28, 2021Publication date: February 9, 2023Inventors: Atsushi DOJI, Toshio YAMADA, Nobuyuki NISHITA
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Publication number: 20230019423Abstract: Provided is a technology to properly display information onto a projection surface without depending on a distance image sensor, and directly project a wide range of information other than a survey setting point onto a construction site. A system includes: a projector including an inclination sensor and at least one reflector ; a measuring device configured to measure a position of the reflector; a means having surface information; and a means configured for setting a distance difference between a projection surface onto which the surface information is projected and the measuring device in a normal direction, wherein the measuring device measures the reflector, and the surface information adjusted according to the distance difference in the normal direction is projected onto the projection surface.Type: ApplicationFiled: June 30, 2022Publication date: January 19, 2023Inventors: Nobuyuki NISHITA, Junki KANEKO
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Publication number: 20230015599Abstract: A management system includes a design database of construction members, a measurement database of the construction members, a construction database recording construction data of the construction members, a construction member selecting unit, a peripheral member selecting unit, a model creating unit configured to create a design model of the construction member and a measurement model of the peripheral member, a corrected model creating unit configured to create a design corrected model by synthesizing the design model and the measurement model, and a corrected construction plan creating unit configured to select a construction designated member based on the design corrected model, and record, with respect to the construction designated member, coordinates and a shape of the design corrected model as construction designated member coordinates and a construction designated member shape, and construction content of the construction designated member as construction inspection content, in a corrected constructioType: ApplicationFiled: November 27, 2020Publication date: January 19, 2023Inventors: Atsushi DOJI, Toshio YAMADA, Nobuyuki NISHITA, Satoshi YANOBE, Junki KANEKO
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Publication number: 20220414066Abstract: Data management to reflect an actual construction status in design is realized. In order to achieve the object, a management system includes a design database recording, with respect to members of a construction object, design data of at least member IDs, member coordinates, member shapes, a measurement database recording measurement data of the construction object, a starting point member selecting unit configured to select a starting point member from the design database, a measurement information selecting unit configured to select the measurement data corresponding to the starting point member from the measurement database, and an actual status model creating unit configured to create an actual status model with respect to the starting point member by performing shape correction of a design model of the starting point member created from the design database by using the measurement data.Type: ApplicationFiled: November 27, 2020Publication date: December 29, 2022Inventors: Atsushi DOJI, Toshio YAMADA, Nobuyuki NISHITA, Satoshi YANOBE, Junki KANEKO
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Patent number: 11536568Abstract: A surveying system comprises a laser scanner for scanning a distance measuring light and for acquiring point cloud data and a target instrument having a target for reflecting the distance measuring light, wherein the target is a sphere having a known diameter, the laser scanner comprises a distance measuring module for projecting the distance measuring light, for receiving a reflected distance measuring light and for performing a distance measurement, an optical axis deflector which enables to two-dimensionally deflect the distance measuring light, and an arithmetic control module for controlling the optical axis deflector, and wherein the arithmetic control module is configured to perform a circular scan on a surface of the target by the optical axis deflector, to obtain a center of the target based on the point cloud data acquired by the circular scan and the diameter, and to measure a distance of the center of the target.Type: GrantFiled: September 3, 2019Date of Patent: December 27, 2022Assignee: TOPCON CorporationInventor: Nobuyuki Nishita
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Patent number: 11500096Abstract: A surveying instrument comprises a distance measuring module configured to perform a distance measurement of an objects to be measured, an optical axis deflector which is provided on a distance measuring optical axis and enables to two-dimensionally deflect the distance measuring optical axis, an arithmetic control module configured to control a deflecting action of the optical axis deflector and a distance measuring action of the distance measuring module, and a display module configured to display calculation results by the arithmetic control module, and wherein the arithmetic control module is configured to scan at least one plane of the objects to be measured in a predetermined scan pattern in at least one cycle by the optical axis deflector, to calculate parameters of the plane based on a measurement result of point cloud data acquired along a locus of a scan, and to display the calculated parameters on the display module.Type: GrantFiled: October 24, 2019Date of Patent: November 15, 2022Assignee: TOPCON CorporationInventor: Nobuyuki Nishita
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Patent number: 11460297Abstract: A measurement apparatus is provided that includes a distance measuring unit, a deflecting unit, and a calculation control unit which controls the distance measuring unit and the deflecting unit. The calculation control unit detects coordinates of a pair of intersection points of the object to be measured and a scan trajectory with the measurement light on the basis of a distance measurement result by the distance measuring unit and the direction of emission deflected by the deflecting unit. The calculation control unit controls a deflection operation of the deflecting unit so as to change the direction of emission on the basis of the coordinates of the pair of intersection points such that the scan trajectory with the measurement light and the object to be measured intersect with each other.Type: GrantFiled: September 18, 2019Date of Patent: October 4, 2022Assignee: TOPCON CORPORATIONInventor: Nobuyuki Nishita
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Patent number: 11460299Abstract: Provided is a survey system capable of more highly accurately obtaining a product of a three-dimensional survey. A survey system includes a mobile body, a scanner including an emitting unit, a light receiving unit, a distance measuring unit, a first optical axis deflecting unit disposed on an optical axis of the distance measuring light and configured to deflect a distance measuring light, a second optical axis deflecting unit disposed on a light receiving optical axis of the reflected distance measuring light and configured to deflect a reflected distance measuring light at the same angle in the same direction as those of the first optical axis deflecting unit, and an emitting direction detecting unit to detect deflection angles and directions of the first and the second optical axis deflecting units, a posture detecting device of the scanner, and a position measuring device of the scanner.Type: GrantFiled: September 5, 2018Date of Patent: October 4, 2022Assignee: TOPCON CORPORATIONInventor: Nobuyuki Nishita
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Publication number: 20220307833Abstract: A surveying system comprises a target and a measuring instrument. The target has retro-reflection characteristics, the measuring instrument comprises a point measuring unit for irradiating a distance measuring light, for receiving a reflected light and for measuring three-dimensional coordinates of the target based on a light receiving result, a scanner unit for rotatably irradiating a laser beam and for acquiring the point cloud data and an arithmetic control module, wherein the point measuring unit measures the target held in the vicinity of an object, the arithmetic control module calculates a region of a three-dimensional space including the object based on a target measurement result of the point measuring unit, the scanner unit scans a predetermined range including the object and acquires the point cloud data, and the arithmetic control module selects the point cloud data only included in the region of the point cloud data.Type: ApplicationFiled: March 25, 2022Publication date: September 29, 2022Inventor: Nobuyuki Nishita
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Patent number: 11448504Abstract: A technique for preventing decrease in accuracy of measuring a tilt angle of a surveying device is provided. A total station includes a rotating unit, a horizontal angle measuring unit, a tilt sensor, and a tilt amount calculating part. The rotating unit has a distance measuring unit that performs optical surveying, and the rotating unit horizontally rotates. The horizontal angle measuring unit measures a rotation angle of the horizontal rotation of the rotating unit. The tilt sensor measures a tilt of the rotating unit relative to the direction of gravity. The tilt amount calculating part calculates a tilt of the rotating unit on the basis of measured values of the horizontal angle measuring unit before and after the rotating unit rotates.Type: GrantFiled: July 30, 2018Date of Patent: September 20, 2022Assignee: TOPCON CORPORATIONInventor: Nobuyuki Nishita
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Patent number: 11385052Abstract: 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.Type: GrantFiled: April 9, 2020Date of Patent: July 12, 2022Assignee: TOPCON CorporationInventors: Nobuyuki Nishita, Fumio Ohtomo
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Publication number: 20220156427Abstract: Provided is construction management so that a final form of a structure is as designed. In the construction management, reading a design model of a structure from a design database, designing an initial construction model so that final form physical simulation results obtained by performing a physical simulation match the design model, extracting a construction completed part model, a calculating step partial physical simulation results obtained by performing the physical simulation for the construction completed part model, obtaining a measurement model from a measurement database, a calculating step an actual object difference by comparing the partial physical simulation results with the measurement model, and instructing construction details of a part to be constructed next and/or later of the initial construction model or an actual object of the structure based on the actual object difference, are performed.Type: ApplicationFiled: October 26, 2021Publication date: May 19, 2022Inventors: Yuki SENOO, Masato OKA, Masaki KIUCHI, Nobuyuki NISHITA
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Publication number: 20220155068Abstract: A tilt analysis system including: a surveying device configured to survey a position of a survey target device by irradiating the survey target device with surveying light, the survey target device including an attachment portion to be attached to a columnar object, and a reflector that reflects the surveying light; a portable terminal device; a reference value acquisition unit configured to acquire a first point obtained by surveying the position of the survey target device attached to a bottom of the columnar object; a column top value acquisition unit configured to acquire a second point obtained by surveying the position of the survey target device attached to the top of the columnar object; a tilt analysis unit configured to generate tilt information indicating in which direction the columnar object tilts; and a tilt information output unit configured to output the tilt information generated by the tilt analysis unit.Type: ApplicationFiled: November 18, 2021Publication date: May 19, 2022Applicant: Topcon CorporationInventors: Kunpei KOMAGAMINE, Toshio YAMADA, Nobuyuki NISHITA
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Patent number: 11333764Abstract: The survey system includes a mobile body equipped with a scanner configured to perform scanning by a distance measuring light, a position measuring device configured to measure a position of the scanner, and a posture detecting device configured to detect a posture of the scanner, the posture detecting device includes an imaging unit configured to periodically acquire image data, a 3-axis angular velocity sensor configured to detect 3-axis posture angles of the scanner, and an arithmetic control unit, and the arithmetic control unit is configured to calculate posture information of the scanner by summing photographing-time 3-axis posture angles (SP0, SP1, SPn) of the scanner acquired in each photographing by image analysis of the image data, and 3-axis posture relative displacement angles of the scanner calculated from detection values of the 3-axis angular velocity sensor.Type: GrantFiled: January 23, 2019Date of Patent: May 17, 2022Assignee: TOPCON CORPORATIONInventors: Nobuyuki Nishita, You Sasaki
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Patent number: 11307031Abstract: A technique is provided to enable check of a calibrated condition of a total station (TS) having a laser scanner in a surveying site. The TS includes an optical system for sighting an object, a laser positioning part that irradiates the object with laser light via the optical system to position the object, and a plane crossing location identifying part that identifies a crossing location of multiple planes constituting a three-dimensional structure as a first location, on the basis of the positioning result from the laser positioning part. The TS also includes a laser scanner that performs laser scanning in an area containing the crossing location, a plane crossing location calculator that calculates the crossing location as a second location on the basis of laser scanning data from the laser scanner, and a comparing part that compares the first location and the second location with each other.Type: GrantFiled: October 24, 2018Date of Patent: April 19, 2022Assignee: TOPCON CORPORATIONInventors: You Sasaki, Yasushi Tanaka, Nobuyuki Nishita
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Patent number: 11293754Abstract: There is provided a surveying instrument including a monopod which is installed on a reference point, a surveying instrument main body which is provided at a known distance from a lower end of the monopod and a known angle with respect to an axis of the monopod, two auxiliary legs which extend downward from a middle portion of the monopod at a predetermined angle, and a lower image pickup module which is provided at a known position with respect to the surveying instrument main body, wherein the surveying instrument main body comprises a measuring unit, a measuring direction image pickup module, and an arithmetic control module, wherein the surveying instrument main body is supported by three points by the monopod and the auxiliary legs, and a positional change or a rotational change of the surveying instrument main body is calculated based on a change of the lower image.Type: GrantFiled: March 20, 2020Date of Patent: April 5, 2022Assignee: TOPCON CorporationInventors: Satoshi Hirano, Kaoru Kumagai, Fumio Ohtomo, Kazuki Osaragi, Nobuyuki Nishita, Tetsuji Anai, Noriyasu Kiryuu
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Publication number: 20220099443Abstract: An external controller specifies the direction of a surveying instrument with respect to a laser marking instrument to calculate a first relative angle as an angle relative to the surveying instrument, calculates a second relative angle as an angle relative to a target line based on design information, and calculates a differential angle between the first relative angle and the second relative angle, thereby rotating a marking laser emitter by the differential angle to project marking laser light onto the target line.Type: ApplicationFiled: September 28, 2021Publication date: March 31, 2022Applicant: Topcon CorporationInventors: Nobuyuki NISHITA, Toshio YAMADA
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Publication number: 20220090916Abstract: To efficiently and accurately detect coordinates positions of a measurement object formed in a linear shape regardless of a distance from a measurement light emitting unit. The provided survey system includes: a distance measuring unit; a deflecting unit for deflecting a direction of measurement light with respect to a reference optical axis and for scanning with the measurement light with respect to a prescribed center in a circumferential direction; and a calculation control unit which controls the distance measuring unit and the deflecting unit, wherein the calculation control unit detects coordinates of intersection points of a measurement object formed in a linear shape and a scan trajectory of the measurement light, and controls a deflection operation of the deflecting unit so that intervals of the intersection points adjacent to each other are constant intervals on the measurement object.Type: ApplicationFiled: February 4, 2020Publication date: March 24, 2022Applicant: Topcon CorporationInventor: Nobuyuki NISHITA
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Patent number: D977999Type: GrantFiled: August 26, 2020Date of Patent: February 14, 2023Assignee: TOPCON CORPORATIONInventors: Yasuhito Haijima, Yasushi Tanaka, Mitsuru Ogawa, Nobuyuki Nishita, Yoshiyuki Daibo