Patents by Inventor Fumio Ohtomo

Fumio Ohtomo 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).

  • Patent number: 10048063
    Abstract: The invention provides a measuring instrument, which comprises an image pickup unit for acquiring an image of a range including an object to be measured, a distance measuring unit for two-dimensionally scanning a predetermined range in synchronization with an image acquisition and for measuring, an arithmetic control unit and an attitude detecting unit for detecting a tilt angle of the image pickup unit with respect to a horizontality, wherein the arithmetic control unit associates a measurement result and a detection result of the attitude detecting unit with each pixel on a scanning locus corresponding to an acquired image.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: August 14, 2018
    Assignee: TOPCON Corporation
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Patent number: 10048377
    Abstract: The invention provides a posture detecting device, which comprises a tilt detecting unit as rotatably supported around two shafts perpendicular each other to an outer frame and for detecting a tilting from the horizontal, encoders provided on each of the shafts, motors provided so as to rotate each shaft, and a first arithmetic processing unit for driving/controlling the motor based on a detection result from the tilt detecting unit, wherein the first arithmetic processing unit drives the motors so that the tilt detecting unit detects the horizontal based on a signal from the tilt detecting unit when the outer frame is tilted and calculates a posture of the outer frame based on outputs of the encoders when the tilt detecting unit detects the horizontal.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: August 14, 2018
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Kazuki Osaragi
  • Publication number: 20180224549
    Abstract: The invention provides a measuring system, which comprises a plurality of measuring units and a leveling unit common to the plurality of measuring units, the leveling unit has a recessed fitting portion on an upper surface, and the plurality of measuring units each has a projecting fitting portion which is engageable and disengageable with respect to the recessed fitting portion, wherein the plurality of measuring units are constituted to be attachable and detachable with respect to the leveling unit, and in a state where each of the measuring units is mounted on the leveling unit, a same object to be measured is measured respectively, an offset amount between each of the measuring units is measured, and based on the offset amount, a measurement value measured in each of the measuring units is corrected and coordinate-converted.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 9, 2018
    Inventors: Ken-ichiro Yoshino, Fumio Ohtomo
  • Publication number: 20180217263
    Abstract: The invention provides a rover, which comprises a pole of which lower end indicates a point to be measured, a measurement auxiliary apparatus provided at a predetermined position of the pole, a direction detecting device integrally provided with the measurement auxiliary apparatus and for detecting a direction of the measurement auxiliary apparatus, and an object to be measured provided at a known distance from the lower end of the pole, wherein the measurement auxiliary apparatus comprises a horizontal detecting unit which is supported so as to be rotatable around two shafts orthogonal to each other and detects the tilts in two axial directions, motors provided so as to rotate the shafts, encoders provided respectively on the shafts, and an arithmetic processing component for controlling the motors in such a manner that the horizontal detecting unit becomes horizontal based on a detection result from the horizontal detecting unit, wherein the encoders are configured to detect a rotation amount of each shaft
    Type: Application
    Filed: January 11, 2018
    Publication date: August 2, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20180147998
    Abstract: An aerial photogrammetric device comprises an aerial vehicle configured to fly autonomously or remotely controlled, an image pickup device provided on the aerial vehicle and having an optical axis extending in a vertical direction, an attitude detecting device for detecting a tilt angle and a tilting direction with respect to a horizontality or a verticality of the optical axis, a position measuring device, and a control device for controlling a flight of the aerial vehicle, wherein the control device is configured to acquire images at two points by the image pickup device, acquire image acquiring positions at a time of image acquisition from the position measuring device, acquire a detection result of the attitude detecting device at the time of image acquisition, correct the images acquired at the two points into horizontal images based on the detection result, and perform a relative orientation of the obtained horizontal images.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 31, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20180135973
    Abstract: The invention provides a measuring instrument, which comprises an image pickup unit for acquiring an image of a range including an object to be measured, a distance measuring unit for two-dimensionally scanning a predetermined range in synchronization with an image acquisition and for measuring, an arithmetic control unit and an attitude detecting unit for detecting a tilt angle of the image pickup unit with respect to a horizontality, wherein the arithmetic control unit associates a measurement result and a detection result of the attitude detecting unit with each pixel on a scanning locus corresponding to an acquired image.
    Type: Application
    Filed: January 11, 2018
    Publication date: May 17, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Patent number: 9958268
    Abstract: The invention provides a surveying system comprising a total station installed at a known point and having a tracking function, at least one movable measuring device having a prism for retro-reflecting a distance measuring light and a tracking light projected from the total station and capable of moving and of performing three-dimensional measurement on an object to be measured and an arithmetic control part, wherein the movable measuring device has an auxiliary measuring unit capable of measuring a distance and an angle of the object to be measured and an attitude detector capable of detecting a measuring direction, a tilting and a tilting direction of the movable measuring device, wherein the movable measuring device performs three-dimensional measurement on the object to be measured with reference to direction of the total station based on the measurement result of the auxiliary measuring unit and on the detection result of the attitude detector at an arbitrary measurement position as being sighted from th
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: May 1, 2018
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Hitoshi Otani, Kazuki Osaragi
  • Publication number: 20180106615
    Abstract: A laser scanner includes a distance measuring unit which has a light emitting element for emitting a distance measuring light, 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 based on the light receiving signal, an optical axis deflecting unit provided on a distance measuring optical axis and for deflecting the distance measuring optical axis, a projecting direction detecting unit for detecting a deflection angle of the distance measuring optical axis and a control component for controlling the optical axis deflecting unit and the distance measuring unit, wherein the optical axis deflecting unit comprises a pair of optical prisms capable of rotating and motors for rotating the optical prisms, and wherein the control component is configured to control the optical axis deflecting unit, scan the distance measuring light and acquire scanning data under scanning conditions corresponding to a mea
    Type: Application
    Filed: October 16, 2017
    Publication date: April 19, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20180095166
    Abstract: A measurement device and measurement method are provided which are capable of measuring the inclination of a measurement target object surface both with a simple configuration and at high speed. The measurement device includes: a rangefinding light emitting section; a rangefinding unit configured to receive reflected rangefinding light; an optical axis deflection section provided on an optical path common to rangefinding light and reflected rangefinding light, and configured to deflect optical axes thereof; a motor configured to cause the optical axis deflection section to rotate; an emission direction detection unit configured to detect a deflection angle and deflection direction resulting from the optical axis deflection section; and a computation controller that measures the inclination of a measurement target object surface with respect to the emission optical axis on the basis of acquired coordinate data on the measurement target object surface.
    Type: Application
    Filed: September 25, 2017
    Publication date: April 5, 2018
    Applicant: Topcon Corporation
    Inventors: Takahiro INOUE, Satoshi YANOBE, Hideyuki MATSUMOTO, Fumio OHTOMO
  • Patent number: 9932719
    Abstract: The invention provides a control system for a construction machine comprises a construction machine and a measuring instrument, wherein the construction machine comprises at least two targets, a tilt detecting component, a driving unit, a machine control unit and a machine communication unit, wherein the measuring instrument comprises a distance measuring unit, an optical axis deflecting unit for deflecting the optical axes, a projecting direction detecting unit for detecting a deflection angle and a deflecting direction and a measurement control unit for determining a measuring point and transmitting a measurement result, wherein the measurement control unit allows the distance measuring unit to alternately measure the targets and calculates a direction and front-back and left-right tilts of the construction machine based on three-dimensional positions of the targets and a detection result of the tilt detecting component, and the machine control unit controls the driving unit based on a calculation result.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 3, 2018
    Assignee: TOPCON Corporation
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20180081056
    Abstract: The invention provides a UAV measuring apparatus, which comprises a flying vehicle, a laser scanner mounted on the flying vehicle and for performing two-dimensional scanning with a reference optical axis extending in an approximately vertically downward direction as the center, an image pickup unit having an image pickup optical axis parallel to the reference optical axis and a control arithmetic component, wherein the control arithmetic component is configured to synchronize the two-dimensional scanning performed by the laser scanner with an image pickup performed by the image pickup unit, and to correspond a scanning locus obtained by the two-dimensional scanning with an acquired image.
    Type: Application
    Filed: September 13, 2017
    Publication date: March 22, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20180052232
    Abstract: A measuring method, wherein point cloud data of a building is acquired by a laser scanner, wherein the laser scanner has an attitude detector for detecting a tilting with respect to a horizontality or a verticality, converts the point cloud data into a horizontal distance and a height or a difference of a height based on the tilting detected by the attitude detector, sets a height line at a predetermined height on a wall surface, averages a horizontal distance information of the point cloud data included in a predetermined width with the height line as a center in a height direction, further develops the horizontal distance information along the height line in a horizontal direction, and measures a horizontal cross section at the predetermined height.
    Type: Application
    Filed: August 3, 2017
    Publication date: February 22, 2018
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Patent number: 9897436
    Abstract: The invention provides a measuring instrument, which comprises an image pickup unit for acquiring an image of a range including an object to be measured, a distance measuring unit for two-dimensionally scanning a predetermined range in synchronization with an image acquisition and for measuring, an arithmetic control unit and an attitude detecting unit for detecting a tilt angle of the image pickup unit with respect to a horizontality, wherein the arithmetic control unit associates a measurement result and a detection result of the attitude detecting unit with each pixel on a scanning locus corresponding to an acquired image.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: February 20, 2018
    Assignee: TOPCON Corporation
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Publication number: 20180038690
    Abstract: The invention provides a laser beam projecting unit in which a hollow rotation shaft is provided on a fixed portion via one bearing, a rotor of an axial gap-type motor is provided on one end portion of the rotation shaft, a stator of the axial gap-type motor is provided on the fixed portion so as to confront the rotor, an attracting force between the rotor and the stator acts on the bearing as a pressurization, an angle detector for detecting a rotation angle of the rotation shaft is provided on the other end portion of the rotation shaft, a deflection optical component is provided inside the rotation shaft, and a laser beam is projected through the deflection optical component.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 8, 2018
    Inventors: Fumio Ohtomo, Hideyuki Matsumoto, Kazuki Osaragi, Takahiro Inoue
  • Publication number: 20180023944
    Abstract: A laser remote length measurement instrument capable of remotely measuring a length between two required points in a non-contact manner is provided. The laser remote length measurement instrument includes a rangefinding unit, an optical axis deflection section, a rotation angle detector, and a computation controller. The rangefinding unit is configured to cause a light emitting element to emit visible rangefinding light and obtain a light reception signal. The optical axis deflection section is configured to scan to-and-fro between two directions with the rangefinding light. The rotation angle detector is configured to detect a divergence angle between the two directions. The computation controller is configured to compute a distance between illuminated points in the two directions illuminated with the rangefinding light on the basis of rangefinding results for the illuminated points and the divergence angle between the two directions.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 25, 2018
    Applicant: TOPCON CORPORATION
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20170356158
    Abstract: The invention provides a control system for a construction machine comprises a construction machine and a measuring instrument, wherein the construction machine comprises at least two targets, a tilt detecting component, a driving unit, a machine control unit and a machine communication unit, wherein the measuring instrument comprises a distance measuring unit, an optical axis deflecting unit for deflecting the optical axes, a projecting direction detecting unit for detecting a deflection angle and a deflecting direction and a measurement control unit for determining a measuring point and transmitting a measurement result, wherein the measurement control unit allows the distance measuring unit to alternately measure the targets and calculates a direction and front-back and left-right tilts of the construction machine based on three-dimensional positions of the targets and a detection result of the tilt detecting component, and the machine control unit controls the driving unit based on a calculation result.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 14, 2017
    Inventors: Fumio Ohtomo, Kaoru Kumagai
  • Publication number: 20170350692
    Abstract: The invention provides a measuring instrument, which comprises an image pickup unit for acquiring an image of a range including an object to be measured, a distance measuring unit for two-dimensionally scanning a predetermined range in synchronization with an image acquisition and for measuring, an arithmetic control unit and an attitude detecting unit for detecting a tilt angle of the image pickup unit with respect to a horizontality, wherein the arithmetic control unit associates a measurement result and a detection result of the attitude detecting unit with each pixel on a scanning locus corresponding to an acquired image.
    Type: Application
    Filed: May 23, 2017
    Publication date: December 7, 2017
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Patent number: 9829315
    Abstract: An omnidirectional image measuring instrument includes a horizontal rotary table, a horizontal rotary driving unit capable of rotating the horizontal rotary table, an electronic distance meter (EDM) device and an image pickup device provided on the horizontal rotary table, and a control device for synchronously controlling a distance measurement by the EDM device and an image pickup by the image pickup device.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: November 28, 2017
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Hitoshi Otani, Tadayuki Ito, Kazuki Osaragi
  • Patent number: 9773420
    Abstract: The invention provides a measuring system comprising a remotely controllable flying vehicle system with a GPS device and a measuring device installed thereon, a position measuring device installed at an arbitrary position and able to measure distance and angle and to track, a ground base station for controlling a flight of a flying vehicle, a remote controller able to give and take data to and from the ground base station and able to perform wireless communication to and from the flying vehicle system, and a control unit provided on the flying vehicle system or the ground base station, and either one of the control units are configured to obtain an absolute coordinate or GPS coordinate of the installation point of the position measuring device based on the GPS coordinates of the two points and based on distance measurement results and on angle measurement results by the position measuring device.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 26, 2017
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Kazuki Osaragi, Hitoshi Otani
  • Patent number: 9752876
    Abstract: A direction detecting apparatus provided at a known position from a lower end of a supporting pole, comprising an image pickup device with an optical axis orthogonal to an axis of the supporting pole and an arithmetic processing part for calculating based on an image from the image pickup device, wherein the image pickup device acquires an image so as to include an object for which a direction is to be detected, wherein the arithmetic processing part calculates and detects a direction and a tilt of the object from a relation between a position of the object in the image and an optical axis of the image pickup device.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: September 5, 2017
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Kazuki Osaragi