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公开(公告)号：US11512957B2
公开(公告)日：2022-11-29
申请号：US16896508
申请日：2020-06-09
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Tetsuji Anai , Kaoru Kumagai
Abstract: A surveying instrument include a monopod installed on a reference point and a surveying instrument main body provided on the monopod, wherein the surveying instrument main body includes a measuring direction image pickup module which acquires first image including an object, a distance measuring unit which measures a distance to the object, a measuring direction detecting module which detects a measuring direction, a time detector which generates a reference time signal and an arithmetic control module, the arithmetic control module associates a distance measurement result with the reference time signal, associates a measuring direction with the reference time signal, and associates the first image with the reference time signal, associates an image change, the measuring direction, and a distance measurement result with each other based on the reference time signal, calculates a measuring direction in the distance measurement and determines a position of a measurement part of the object.
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公开(公告)号：US11421989B2
公开(公告)日：2022-08-23
申请号：US16896511
申请日：2020-06-09
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Tetsuji Anai , Kaoru Kumagai
Abstract: A surveying instrument include a surveying instrument including a surveying instrument main body, a measuring direction image pickup module for acquiring a first image, a distance measuring unit for measuring a distance to the object, a projecting direction detecting module for detecting a projecting direction of the distance measuring light, a time detector for generating a signal of a reference time, a downward image pickup module for acquiring a second image, an attitude detector for detecting a tilt of the surveying instrument main body and an arithmetic control module, wherein the arithmetic control module is configured to detect a change between the first images or the second images, determine a measuring point of the object with respect to the vertical lower image based on the change between the images and the detection results of the distance measuring unit and the projecting direction detecting module and the reference time.
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公开(公告)号：US11293754B2
公开(公告)日：2022-04-05
申请号：US16824788
申请日：2020-03-20
Applicant: TOPCON Corporation
Inventor： Satoshi Hirano , Kaoru Kumagai , Fumio Ohtomo , Kazuki Osaragi , Nobuyuki Nishita , Tetsuji Anai , Noriyasu Kiryuu
IPC: G01C15/00
Abstract: 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.
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公开(公告)号：US10816665B2
公开(公告)日：2020-10-27
申请号：US15889530
申请日：2018-02-06
Applicant: TOPCON Corporation
Inventor： Ken-ichiro Yoshino , Fumio Ohtomo
IPC: G01S17/42 , G01B11/00 , G01B11/245 , G01C15/00
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.
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公开(公告)号：US20200318966A1
公开(公告)日：2020-10-08
申请号：US16824788
申请日：2020-03-20
Applicant: TOPCON Corporation
Inventor： Satoshi Hirano , Kaoru Kumagai , Fumio Ohtomo , Kazuki Osaragi , Nobuyuki Nishita , Tetsuji Anai , Noriyasu Kiryuu
IPC: G01C15/00
Abstract: 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 an 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 calculating based on a change of the lower image.
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Patent Agency Ranking
公开(公告)号：US10330788B2
公开(公告)日：2019-06-25
申请号：US15243043
申请日：2016-08-22
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: The invention provides a measuring instrument, which comprises a measuring instrument main unit and an installment base unit for rotatably supporting the measuring instrument main unit in an up-to-bottom direction and in a left-to-right direction, wherein the measuring instrument main unit has a measuring unit for projecting a distance measuring light toward an object to be measured and for performing a distance measurement by receiving a reflected light from the object to be measured, and an attitude detecting device integrally provided with the measuring unit, wherein the attitude detecting device has tilt sensors for detecting a horizontality and relative tilt angle detectors for tilting the tilt sensors and for detecting a tilt angle of the measuring unit with respect to the horizontality under such condition that the tilt sensors detect the horizontality so that the horizontality is detected by the tilt sensors, and wherein the installment base unit has an up-to-bottom motor for rotating the measuring instrument main unit in the up-to-bottom direction, a left-to-right motor for rotating the measuring instrument main unit in the left-to-right direction and a left-to-right angle detector for detecting a rotation angle in the left-to-right direction, and wherein the distance measurement of the object to be measured is performed by the measuring instrument main unit, a vertical angle of a measuring point is determined based on the result of the tilt detection by the attitude detecting device, and a horizontal angle is measured based on the result of the detection by the left-to-right angle detector.
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公开(公告)号：US20180329040A1
公开(公告)日：2018-11-15
申请号：US15968881
申请日：2018-05-02
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
CPC classification number: G01C15/002 , G01C15/00 , G01C15/06 , G01S7/481 , G01S17/46
Abstract: A target instrument has an illuminating lamp, wherein a total station has an optical axis deflector capable of deflecting a distance measuring optical axis, a projecting direction detecting module for performing an angle measurement of the distance measuring optical axis, an image pickup unit, and an arithmetic control module for controlling a deflecting action of the optical axis deflector and a distance measuring action of a distance measuring unit, wherein the arithmetic control module is configured to detect an illumination light from an image acquired by the image pickup unit, to acquire a direction of the illuminating lamp based on a detection result, to make the optical axis deflector to scan with a distance measuring light around the acquired direction and to perform a distance measurement and an angle measurement along a scanning path.
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公开(公告)号：US20180135973A1
公开(公告)日：2018-05-17
申请号：US15867892
申请日：2018-01-11
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai , Tetsuji Anai
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.
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公开(公告)号：US20170138730A1
公开(公告)日：2017-05-18
申请号：US15345714
申请日：2016-11-08
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: The invention provides a surveying instrument, which comprises a protractor table installed via an installation base and capable of detecting a lateral rotation angle and a surveying instrument main unit mounted on the protractor table via supporting mechanisms capable of rotating longitudinally, wherein the supporting mechanisms enables the surveying instrument main unit to set in a predetermined angle condition with respect to the protractor table, wherein the surveying instrument main unit comprises a distance measuring unit which has a light emitting element for emitting a distance measuring light, a distance measuring light projecting unit for projecting the distance measuring light, a light receiving unit for receiving a reflected distance measuring light and a photodetector for receiving the reflected distance measuring light and for producing a light receiving signal, and the distance measuring unit performs a distance measurement of an object to be measured based on the light receiving signal from the photodetector, a control unit for controlling a distance measuring operation, an optical axis deflecting unit, which is provided on an optical axis of the distance measuring light projecting unit and on an optical axis of the light receiving unit, for controlling a deflection of the both optical axes and an attitude detecting unit which has a tilt detecting unit for detecting a horizontal and mechanisms for tilting the tilt detecting unit so that the tilt detecting unit is maintained horizontally, and is configured to detect a tilting amount of the surveying instrument main unit.
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公开(公告)号：US11598854B2
公开(公告)日：2023-03-07
申请号：US16398437
申请日：2019-04-30
Applicant: TOPCON Corporation
Inventor： Fumio Ohtomo , Kaoru Kumagai
Abstract: A surveying system comprises an object to be measured having a retro-reflector and a surveying instrument main body for emitting a distance measuring light and performing a measurement based on a reflected distance measuring light, wherein the surveying instrument main body comprises a distance measuring light projecting module, a photodetector, a measuring unit, an optical axis deflector which has a reference optical axis and deflects a distance measuring optical axis, a projecting direction detecting module which detects a deflection angle and a deflection angle direction of the distance measuring optical axis, and an arithmetic control module, and wherein the arithmetic control module is configured to control the optical axis deflector, to perform a two-dimensional scan with the distance measuring light, to detect the deflection angle direction of the distance measuring light at a moment of detecting a photodetecting signal by the projecting direction detecting module, and to move an approximate center of the two-dimensional scan in the detected deflection angle direction.
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