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公开(公告)号：US20200318963A1
公开(公告)日：2020-10-08
申请号：US16824785
申请日：2020-03-20
Applicant: TOPCON Corporation
Inventor： Satoshi Hirano , Kaoru Kumagai , Fumio Ohtomo , Kazuki Osaragi , Nobuyuki Nishita , Tetsuji Anai , Noriyasu Kiryuu
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, wherein the surveying instrument main body comprises a distance measuring unit configured to measure a distance to an object to be measured, a measuring direction image pickup module configured to acquire an observation image including the object to be measured, an attitude detector configured to detect the tilts of the surveying instrument main body with respect to the horizontality, and an arithmetic control module, and wherein the surveying instrument main body is supported by three points by the monopod and the auxiliary legs.
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公开(公告)号：US20230243633A1
公开(公告)日：2023-08-03
申请号：US18105018
申请日：2023-02-02
Applicant: TOPCON CORPORATION
Inventor： Noriyasu Kiryuu , Ryosuke Jinnouchi , Nobuyuki Nishita
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.
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公开(公告)号：US20170285144A1
公开(公告)日：2017-10-05
申请号：US15471271
申请日：2017-03-28
Applicant: TOPCON Corporation
Inventor： Noriyasu Kiryuu , Taizo Eno
CPC classification number: G01S7/484 , G01B11/26 , G01C15/002 , G01S7/4814 , G01S7/4817 , G01S7/4818 , G01S7/4865 , G01S17/10 , G01S17/42 , G01S17/89
Abstract: The invention provides a laser scanner, which comprises a light source unit, a light receiving unit, a distance measuring unit, an angle measuring unit, a telescope unit capable of rotating in a horizontal direction and a vertical direction, a rotation driving unit, a directional angle detector, and a control arithmetic unit, wherein the light source unit is an MOPA type and has an oscillator control circuit, a main oscillator, and an optical amplifier, wherein the oscillator control circuit has a repetition frequency setting component, a pulse peak output setting component, a pulse width setting component and an amplification factor calculating component and oscillates the main oscillator corresponding to a measured distance, and wherein the amplification factor calculating component calculates an amplification factor based on a repetition frequency, a pulse peak output, and a pulse width and amplifies the optical amplifier based on a calculated amplification factor.
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公开(公告)号：US11493611B2
公开(公告)日：2022-11-08
申请号：US16387692
申请日：2019-04-18
Applicant: TOPCON Corporation
Inventor： Noriyasu Kiryuu , Taizo Eno
Abstract: The invention provides a laser scanner, which comprises a light source unit, a light receiving unit, a distance measuring unit, an angle measuring unit, a telescope unit capable of rotating in a horizontal direction and a vertical direction, a rotation driving unit, a directional angle detector, and a control arithmetic unit, wherein the light source unit is an MOPA type and has an oscillator control circuit, a main oscillator, and an optical amplifier, wherein the oscillator control circuit has a repetition frequency setting component, a pulse peak output setting component, a pulse width setting component and an amplification factor calculating component and oscillates the main oscillator corresponding to a measured distance, and wherein the amplification factor calculating component calculates an amplification factor based on a repetition frequency, a pulse peak output, and a pulse width and amplifies the optical amplifier based on a calculated amplification factor.
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Patent Agency Ranking
公开(公告)号：US10310059B2
公开(公告)日：2019-06-04
申请号：US15471271
申请日：2017-03-28
Applicant: TOPCON Corporation
Inventor： Noriyasu Kiryuu , Taizo Eno
Abstract: The invention provides a laser scanner, which comprises a light source unit, a light receiving unit, a distance measuring unit, an angle measuring unit, a telescope unit capable of rotating in a horizontal direction and a vertical direction, a rotation driving unit, a directional angle detector, and a control arithmetic unit, wherein the light source unit is an MOPA type and has an oscillator control circuit, a main oscillator, and an optical amplifier, wherein the oscillator control circuit has a repetition frequency setting component, a pulse peak output setting component, a pulse width setting component and an amplification factor calculating component and oscillates the main oscillator corresponding to a measured distance, and wherein the amplification factor calculating component calculates an amplification factor based on a repetition frequency, a pulse peak output, and a pulse width and amplifies the optical amplifier based on a calculated amplification factor.
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公开(公告)号：US20230243652A1
公开(公告)日：2023-08-03
申请号：US18105014
申请日：2023-02-02
Applicant: TOPCON CORPORATION
Inventor： Noriyasu Kiryuu , Ryosuke Jinnouchi , Nobuyuki Nishita
IPC: G01C15/06
CPC classification number: G01C15/06
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.
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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：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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公开(公告)号：US20190242977A1
公开(公告)日：2019-08-08
申请号：US16387692
申请日：2019-04-18
Applicant: TOPCON Corporation
Inventor： Noriyasu Kiryuu , Taizo Eno
CPC classification number: G01S7/484 , G01B11/26 , G01C15/002 , G01S7/4814 , G01S7/4817 , G01S7/4818 , G01S7/4865 , G01S17/10 , G01S17/42 , G01S17/89
Abstract: The invention provides a laser scanner, which comprises a light source unit, a light receiving unit, a distance measuring unit, an angle measuring unit, a telescope unit capable of rotating in a horizontal direction and a vertical direction, a rotation driving unit, a directional angle detector, and a control arithmetic unit, wherein the light source unit is an MOPA type and has an oscillator control circuit, a main oscillator, and an optical amplifier, wherein the oscillator control circuit has a repetition frequency setting component, a pulse peak output setting component, a pulse width setting component and an amplification factor calculating component and oscillates the main oscillator corresponding to a measured distance, and wherein the amplification factor calculating component calculates an amplification factor based on a repetition frequency, a pulse peak output, and a pulse width and amplifies the optical amplifier based on a calculated amplification factor.
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