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).

  • Publication number: 20240110783
    Abstract: Provided is a new survey system capable of quickly locking on a target by a simple operation. The survey system includes a surveying instrument including an imaging unit configured to acquire an image in front of a telescope, a controller 80 including a GNSS device and configured to remotely operate the surveying instrument, and a target unit including a target and an optical transmitter, and based on position information acquired by the GNSS device in the vicinity of the target unit, the surveying instrument is rotated toward the GNSS device, images when the optical transmitter turns on light and turns off light are acquired by the imaging unit, and based on a difference image between the images, the surveying instrument is rotated toward the optical transmitter, scans the periphery by the tracking unit, and is locked on to the target.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 4, 2024
    Inventor: Nobuyuki NISHITA
  • Publication number: 20240110784
    Abstract: A surveying instrument having a tracking function with a measure against sunlight is provided which includes a tracking unit and a distance-measuring unit, a driving unit, an imaging device, a filter switching device configured to make switching so that either of two filters is selectively disposed on an optical axis of the imaging device, and a control unit configured to, when the imaging device acquires an image including tracking guide light, analyze the image and operate an arrival direction of the tracking guide light, and control the driving unit so that a collimation axis is directed toward the arrival direction of the tracking guide light, wherein one filter of the two filters is a tracking guide light filter configured to transmit only wavelengths in a predetermined range centered on a wavelength of the tracking guide light.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 4, 2024
    Inventors: Akinobu SUGIURA, Nobuyuki NISHITA
  • Publication number: 20240102800
    Abstract: Efficiency of operation related to acquisition of a tilt offset of a surveying apparatus is improved. A total station includes a tilt sensor, a tilt offset acquisition unit that acquires a tilt offset of the tilt sensor, a measurement unit that measures a variable value of a phenomenon that can cause the tilt offset to vary, and a determination unit that determines whether to acquire the tilt offset, based on output from the measurement unit.
    Type: Application
    Filed: September 20, 2023
    Publication date: March 28, 2024
    Applicant: TOPCON CORPORATION
    Inventors: You SASAKI, Hideki MORITA, Hiroaki SUGIMOTO, Yuto SUZUKI, Shuichi MINAMIGUCHI, Nobuyuki NISHITA, Hideyuki MATSUMOTO
  • Patent number: 11940274
    Abstract: A tilt detecting unit has a tilt sensor and is rotatably supported by an inner frame through a second shaft orthogonal to a first shaft, a first encoder is provided on the first shaft, a second encoder is provided on the second shaft, motors are provided on the respective shafts, an arithmetic processing module drives the respective motors so that the tilt sensor detects the horizontality based on a signal issued by the tilt sensor, calculates a tilt of the outer frame based on the outputs from the first and second encoders when the tilt sensor detects the horizontality, reverses the tilt detecting unit 180° at least once based on the outputs from the respective encoders in a stationary state of the tilt detecting device, and performs the calibration of the tilt sensor based on the detection signals output from the tilt sensor before and after the reversal.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 26, 2024
    Assignee: TOPCON Corporation
    Inventors: Fumio Ohtomo, Nobuyuki Nishita, Kaoru Kumagai
  • Patent number: 11868325
    Abstract: A management system of the present invention includes a design database storing member identification information, member coordinates, and member shapes of construction members constituting a construction object, a management member selecting unit configured to select a management member to be managed among the construction members stored in the design database, a related member selecting unit configured to select a related member adjacent to the management member from the design database, a boundary information creating unit configured to select an adjacent portion between the management member and the related member, and with respect to the adjacent portion, as boundary information, associate identification information, adjacent portion coordinates, an adjacent portion shape of the adjacent portion, member identification information of the management member, and member identification information of the related member with each other, and a comparison result database configured to store information associate
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: January 9, 2024
    Assignee: TOPCON CORPORATION
    Inventors: Atsushi Doji, Toshio Yamada, Nobuyuki Nishita, Satoshi Yanobe
  • Patent number: 11822351
    Abstract: A mobile body is controlled even in a place in which a navigation signal is difficult to receive from a navigation satellite. A three-dimensional information processing unit operates a device or a functional part which measures three-dimensional coordinates of a controlled target and operates a laser scanner or a laser scanning part which obtains three-dimensional point cloud data of the target. The unit includes a positioning section that operates the device or the functional part which measures the three-dimensional coordinates, to calculate the three-dimensional coordinates, and includes a scan controlling section that obtains the three-dimensional point cloud data from the laser scanner or the laser scanning part. The unit also includes a range calculator that calculates a movable range of the target from the three-dimensional coordinates and the three-dimensional point cloud data, and includes a controlled target position calculator that calculates a position of the target in the movable range.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: November 21, 2023
    Assignee: TOPCON CORPORATION
    Inventors: Nobuyuki Nishita, Koji Onishi
  • Publication number: 20230315926
    Abstract: A management system includes a completion database storing, with respect to a completion member of a building, at least a member ID and member coordinates, an environment database storing, with respect to environment conditions of the building including the completion member after completion or an object related to the completion member, at least an environment acquisition result ID and environment acquisition coordinates, an operation model creating unit configured to extract, as an operation member, the completion member related to the environment conditions acquired, and create an operation model of the operation member, and an operation database in which, with respect to the operation member, an operation member ID, the member ID, operation member coordinates, and an operation member shape are stored based on the operation model.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 5, 2023
    Inventors: Atsushi DOJI, Tadayuki ITO, Nobuyuki NISHITA, Takeshi DOHMOTO
  • Publication number: 20230315927
    Abstract: The present invention supports a routine work related to operation of a building to be performed by a manager of the building after completion of building construction. A management system includes a completion database storing, an environment database storing, a rule database including a rule table storing, with respect to an operation rule of the building, a rule ID of the operation rule, rule attributes of the operation rule, and a rule element of the operation rule, and an object table storing the rule ID and related member attributes of a related member related to the rule ID, an operation database including an operation rule table storing the rule ID, a member list of the related member, and an operation rule element based on the rule element, and an operation rule creating unit configured to create the operation rule table.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 5, 2023
    Inventors: Atsushi DOJI, Tadayuki ITO, Nobuyuki NISHITA, Takeshi DOHMOTO
  • Patent number: 11754679
    Abstract: An electro-optical distance meter includes a light source configured to emit light for distance measurement, a detector configured to receive the light and generate a distance measurement signal, a calculator configured to measure the distance from the distance measurement signal, an external optical path configured to guide the light from the light source to a target as measurement light, an internal optical path configured to guide the light from the light source directly to the detector as reference light, and a liquid shutter that can select one of the external and internal optical paths as the optical path through which the light from the light source travels by switching a region of light-blocking liquid.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: September 12, 2023
    Assignee: TOPCON CORPORATION
    Inventors: Nobuyuki Nishita, Takashi Takahashi, Tatsuya Kojima, Saki Horita
  • Patent number: 11754677
    Abstract: Disclosed is a measurement device including: a distance measurement unit that has a light-generating element, a measurement light emission unit, a light reception unit, and a light reception element and measures a distance to a measurement target on the basis of a light reception signal; a deflection unit that is capable of performing scanning with measurement light; and a control unit that controls the distance measurement unit and the deflection unit. The control unit finds a surface of the measurement target, generates a grid having lines that are arranged at regular intervals on the surface of the measurement target and include a component parallel to a reference direction and a component perpendicular to the reference direction, and controls a deflection behavior of the deflection unit so that a scanning track of the measurement light traces the lines of the grid.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: September 12, 2023
    Assignee: Topcon Corporation
    Inventor: Nobuyuki Nishita
  • Patent number: 11719537
    Abstract: A leveling base includes the leveling base including a pedestal, a leveling plate provided to the pedestal via leveling screws such that the leveling is enabled, and a prism unit including a prism having retroreflective characteristics. The prism unit is provided on the leveling plate, the prism unit retro-reflects a light beam entering from a vertically lower side by the prism, a lower through-hole through which a light beam which enters/is reflected to the prism penetrates is provided in the pedestal, and an attachment/detachment portion which enables the attachment/detachment of a predetermined measuring device is provided on an upper surface of the leveling plate.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: August 8, 2023
    Assignee: TOPCON CORPORATION
    Inventor: Nobuyuki Nishita
  • Publication number: 20230243652
    Abstract: Provided is a reference point indicating apparatus comprising at least two link plates, a slide slit formed in each link plate, an indicator configured to be slidable along each slide slit and to be provided at an intersection of a center line of each slide slit, and at least three leg portions configured to be provided on the same circumference centered on the indicator, wherein the indicator is configured to be located on an intersection of a perpendicular bisector of each straight line connecting centers of leg portions adjacent to each other, the leg portions are configured to be contactable with an object 3 by sliding the indicator, the indicator is configured to indicate a reference point of the object in a state where each leg portion is in contact with the object.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 3, 2023
    Inventors: Noriyasu Kiryuu, Ryosuke Jinnouchi, Nobuyuki Nishita
  • Publication number: 20230243633
    Abstract: Provided is a reference point indicating apparatus, which is comprises an equilateral parallelogram being formed with rotatable link points, contacts provided at tips of extending portions obtained by extending respective sides of the equilateral parallelogram, a link plate for linking between middle points of one set of opposing sides of the equilateral parallelogram, and an indicator provided on the link plate, wherein the contacts are capable of abutting on an object by expansion and contraction of the equilateral parallelogram, wherein the indicator is configured to indicate a reference point of the object in a state where the contacts abut on the object.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 3, 2023
    Inventors: Noriyasu Kiryuu, Ryosuke Jinnouchi, Nobuyuki Nishita
  • Patent number: 11668825
    Abstract: An apparatus and method are provided that can identify an array direction of a measurement object formed in a linear shape and efficiently perform a localized measurement of the measurement object. A measurement apparatus includes a distance measuring unit, a deflecting unit which deflects a direction of emission of measurement light with respect to a reference optical axis and which is capable of performing 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.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: June 6, 2023
    Assignee: TOPCON CORPORATION
    Inventor: Nobuyuki Nishita
  • Patent number: 11644575
    Abstract: A technique is provided to more easily measure a distance of a target from a ground surface or a ceiling surface. A surveying device has a laser scanner part and a total station in a unitary manner. The surveying device includes a TS functional part, a laser scanner part, and a distance calculator. The TS functional part positions a reflective prism by using laser light. The laser scanner part performs laser scanning of a ground surface along a vertical plane containing the reflective prism and an optical axis for the laser positioning to obtain a laser scanned point cloud. The distance calculator calculates a distance between the ground surface and the reflective prism on the basis of one or multiple points, which are extracted from the laser scanned point cloud and in proximity to a straight line connecting the reflective prism and a specific plane.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: May 9, 2023
    Assignee: TOPCON CORPORATION
    Inventor: Nobuyuki Nishita
  • Patent number: 11630208
    Abstract: A measurement system includes: a storage configured to store design information including at least a dimension and a designed position of each of building components at a construction site; a component identifier configured to identify at least one of the building components constructed at the construction site as an identified building component, based on the designed position stored in the storage; a scanner configured to measure a distance and/or angle from the identified building component identified by the component identifier; a point cloud data generator configured to generate three-dimensional point cloud data, based on a result of the distance and/or angle measured by the scanner; and an actually measured position calculator configured to calculate an actually measured position of the identified building component, based on the three-dimensional point cloud data.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: April 18, 2023
    Assignee: Topcon Corporation
    Inventors: Nobuyuki Nishita, Tetsuji Anai
  • Patent number: 11630186
    Abstract: A target device, which allows a sufficient amount of reflected light to be obtained from an end portion, is provided and includes a measurement section. In the target device, a retroreflective layer in which a plurality of retroreflective elements are arranged on the entire circumference in a circumferential direction about an axis is formed on at least part of the outer peripheral surface of the measurement section. The retroreflective layer is formed into an uneven shape in which a distance from the axis changes along the entire circumference in the circumferential direction.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: April 18, 2023
    Assignee: TOPCON CORPORATION
    Inventor: Nobuyuki Nishita
  • Publication number: 20230100796
    Abstract: A target support tool includes: a base member including a first arm and a second arm connectable to each other to form a bent therebetween; a magnetic support part at least on the first arm; and a retroreflector at the bent of the base member.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 30, 2023
    Applicant: TOPCON CORPORATION
    Inventors: Nobuyuki NISHITA, Toshio YAMADA, Kunpei KOMAGAMINE, Noriyasu KIRYUU, Ryosuke JINNOUCHI
  • Publication number: 20230097350
    Abstract: A surveying system comprises a height measuring device and a high-low measuring device. The high-low measuring device comprises an object measured by the height measuring device, a distance measurement sensor which is provided in a known relationship with the object and measures a distance to a construction surface, a projecting device for projecting a high-low information, and an arithmetic control module, the arithmetic control module calculates a high-low information of the construction surface based on a height information of the object measured by the height measuring device and a distance information measured by the distance measurement sensor, and the projecting device projects the high-low information onto the construction surface.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 30, 2023
    Inventors: Nobuyuki Nishita, Junki Kaneko
  • Publication number: 20230074990
    Abstract: A management system of the present invention includes a design database storing member identification information, member coordinates, and member shapes of construction members constituting a construction object, a management member selecting unit configured to select a management member to be managed among the construction members stored in the design database, a related member selecting unit configured to select a related member adjacent to the management member from the design database, a boundary information creating unit configured to select an adjacent portion between the management member and the related member, and with respect to the adjacent portion, as boundary information, associate identification information, adjacent portion coordinates, an adjacent portion shape of the adjacent portion, member identification information of the management member, and member identification information of the related member with each other, and a comparison result database configured to store information associate
    Type: Application
    Filed: February 15, 2021
    Publication date: March 9, 2023
    Inventors: Atsushi DOJI, Toshio YAMADA, Nobuyuki NISHITA, Satoshi YANOBE