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公开(公告)号：US10564265B2
公开(公告)日：2020-02-18
申请号：US15713841
申请日：2017-09-25
Applicant: Topcon Corporation
Inventor： Takahiro Inoue , Satoshi Yanobe , Hideyuki Matsumoto , Fumio Ohtomo
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.
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公开(公告)号：US20180038690A1
公开(公告)日：2018-02-08
申请号：US15658779
申请日：2017-07-25
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Hideyuki Matsumoto , Kazuki Osaragi , Takahiro Inoue
CPC classification number: G01C15/002 , G01B11/002 , G01D5/3473 , G01S7/4817 , G01S17/08 , G01S17/42 , G01S17/46 , G02B5/04 , G02B27/20 , H02K7/085
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.
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23.发明授权公开(公告)号：US11698254B2
公开(公告)日：2023-07-11
申请号：US17017871
申请日：2020-09-11
Applicant: TOPCON Corporation
Inventor： Ikuo Ishinabe , Fumio Ohtomo , Kaoru Kumagai
CPC classification number: G01C15/002 , G01C15/004 , G01C15/02 , G01S7/4812 , G01S17/08
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：US20220317149A1
公开(公告)日：2022-10-06
申请号：US17704157
申请日：2022-03-25
Applicant: TOPCON CORPORATION
Inventor： Fumio Ohtomo , Satoshi Yanobe , Kaoru Kumagai , Naoki Shoji
IPC: G01P15/18 , G01P15/093 , G01P15/08
Abstract: An inner frame is rotatably supported by the outer frame via a first shaft, the inertia detecting unit is rotatably supported by the inner frame via a second shaft orthogonal to the first shaft, a first encoder for detecting a rotation angle between the outer frame and the inner frame, a second encoder for detecting a rotation angle between the inner frame and the inertia detecting unit, and rotation powers are provided on the respective shafts. And the arithmetic processing module is configured to drive the respective rotation powers to make the inertia detecting unit to perform a reversal operation of 180° or one rotation at least once based on outputs from the respective encoders regarding the first shaft and the second shaft and to detect a tilt and a rotation based on detection signals output from the inertia detecting unit before and after the reversal.
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公开(公告)号：US11460548B2
公开(公告)日：2022-10-04
申请号：US16365243
申请日：2019-03-26
Applicant: TOPCON CORPORATION
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A surveying device body includes a distance measuring section to measure a distance to the measurement target, an optical axis deflector that deflects distance measuring light with respect to a reference optical axis, a measurement direction imaging section that obtains an observation image, and an attitude detector that detects an incline of the surveying device body. A computation controller displays a portion of the observation image on the display unit, computes a direction angle of the distance measuring optical axis on the basis of a detection result of the attitude detector and a deflection angle of the distance measuring optical axis with respect to the reference optical axis, and measures the measurement target on the basis of the direction angle and a distance measurement result of the distance measuring section using a reference point as a reference.
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Patent Agency Ranking
公开(公告)号：US10800344B2
公开(公告)日：2020-10-13
申请号：US15808976
申请日：2017-11-10
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
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.
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公开(公告)号：US10520307B2
公开(公告)日：2019-12-31
申请号：US15421812
申请日：2017-02-01
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
IPC: G01C5/00
Abstract: The invention provides a surveying instrument, which comprises a measuring unit for performing a distance measurement by projecting a distance measuring light toward an object to be measured, an image pickup unit for picking up an image including the object to be measured, an attitude detecting unit provided integrally with the image pickup unit, and an arithmetic processing unit, wherein the attitude detecting unit has tilt sensors for detecting a horizontal and a relative tilt angle detecting unit for detecting a tilt angle of the measuring unit with respect to the horizontal, and wherein the arithmetic processing unit calculates a tilting of the image with respect to a vertical based on a detection result of the attitude detecting unit and displays vertical lines in the image acquired by the image pickup unit based on this calculation result.
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公开(公告)号：US20190154805A1
公开(公告)日：2019-05-23
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：US10281580B2
公开(公告)日：2019-05-07
申请号：US15342387
申请日：2016-11-03
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Hitoshi Otani , Tetsuji Anai
Abstract: The invention provides a surveying system, which comprises a surveying instrument, wherein the surveying instrument comprises a measuring unit for performing a distance measurement by projecting a distance measuring light toward an object to be measured and by receiving a reflected distance measuring light from the object to be measured, an image pickup unit having an image pickup optical axis running in parallel to a projection optical axis of the distance measuring light and for picking up an image including the object to be measured, an attitude detecting unit provided integrally with the measuring unit and for detecting a tilt angle with respect to the horizontal of the measuring unit, a coordinates acquiring unit for detecting a position of the surveying instrument and an arithmetic processing unit, wherein a first image of the object to be measured is acquired by the image pickup unit from a first position where coordinates of the first position are acquired by the coordinates acquiring unit, a second image of the object to be measured is acquired by the image pickup unit from a second position where coordinates of the second position are acquired by the coordinates acquiring unit, wherein the measuring unit directs a distance measuring optical axis toward common measuring points as specified in the first image and the second image respectively, projects the distance measuring light, and carries out a first distance measurement from the first position and a second distance measurement from the second position, and wherein the arithmetic processing unit calculates horizontal distances from the first position and the second position respectively based on the tilt angles detected by the attitude detecting unit at the first position and the second position, on the first distance measurement and on the second distance measurement, and further the arithmetic processing unit is configured to calculate a base line length based on coordinates of the first position and on coordinates of the second position and to carry out a trilateration with respect to the measuring point based on the horizontal distance and on the base line length.
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公开(公告)号：US20190063922A1
公开(公告)日：2019-02-28
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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