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公开(公告)号：US10058404B2
公开(公告)日：2018-08-28
申请号：US15601512
申请日：2017-05-22
Applicant: Align Technology, Inc.
Inventor： Yossef Atiya , Tal Verker
CPC classification number: A61C9/0053 , A61B1/24 , A61B5/0068 , A61C9/0066 , G01B1/00 , G01B11/24 , G02B5/3083 , G02B6/2726 , G02B6/32
Abstract: A probe head for dental confocal imaging, comprises a light-guiding part for guiding a light beam towards a teeth portion, the light-guiding part having an entrance face through which the light beam enters the light-guiding part and an exit face through which the light beam exits the light-guiding part, wherein the light-guiding part is configured, in case of a linearly polarized light beam having two polarization components being perpendicular to each other, to change polarization of the linearly polarized light beam on its path through the light-guiding part in such a way that one of the two polarization components, compared to the other of the two polarization components, is retarded by an odd multiple of a quarter of a wavelength of the light beam along the path from the entrance face to the exit face.
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公开(公告)号：US20170211972A1
公开(公告)日：2017-07-27
申请号：US15483734
申请日：2017-04-10
Applicant: ALIGN TECHNOLOGY, INC.
Inventor： Noam Babayoff , Yossef Atiya , Tzvi Philipp
Abstract: An apparatus adapted for confocal imaging of a non-flat specimen comprising a coherent light source for producing a light beam, imaging optics adapted to focus the light beam into at least one spot on a surface of a specimen, and a detector adapted to receive and detect light reflected from the specimen surface. The imaging optics comprise at least one optical component located so that the light reflected from the specimen surface passes therethrough on its way to the detector. The optical component is movable so as to move the at least one spot, within a range of movement, to a number of distinct locations in a plane perpendicular to the apparatus' optical axis, within the detector's integration time.
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43.发明授权公开(公告)号：US09693839B2
公开(公告)日：2017-07-04
申请号：US14334527
申请日：2014-07-17
Applicant: Align Technology, Inc.
Inventor： Yossef Atiya , Tal Verker
CPC classification number: A61C9/0053 , A61B1/24 , A61B5/0068 , A61C9/0066 , G01B11/24 , G02B6/2726 , G02B6/32
Abstract: A probe head for dental confocal imaging, comprises a light-guiding part for guiding a light beam towards a teeth portion, the light-guiding part having an entrance face through which the light beam enters the light-guiding part and an exit face through which the light beam exits the light-guiding part, wherein the light-guiding part is configured, in case of a linearly polarized light beam having two polarization components being perpendicular to each other, to change polarization of the linearly polarized light beam on its path through the light-guiding part in such a way that one of the two polarization components, compared to the other of the two polarization components, is retarded by an odd multiple of a quarter of a wavelength of the light beam along the path from the entrance face to the exit face.
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公开(公告)号：US20160109226A1
公开(公告)日：2016-04-21
申请号：US14980337
申请日：2015-12-28
Applicant: ALIGN TECHNOLOGY, INC.
Inventor： Yossef Atiya , Tal Verker
CPC classification number: G01B11/25 , A61B1/00009 , A61B1/04 , A61B1/06 , A61B1/0638 , A61B1/24 , A61B5/0088 , A61B5/1076 , A61B5/1079 , A61B5/4547 , A61C1/088 , A61C9/006 , A61C9/0066 , G01B11/24 , G01B2210/50
Abstract: A system for determining surface topography of a three-dimensional structure is provided. The system can include an illumination unit configured to output a two-dimensional array of light beams each comprising a plurality of wavelengths. An optical assembly can focus the plurality of wavelengths of each light beam to a plurality of focal lengths so as to simultaneously illuminate the structure over a two-dimensional field of view. A detector and a processor are used to generate data representative of the surface topography of the three-dimensional structure based on the measured characteristics of the light reflected from the structure.
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公开(公告)号：US20160064898A1
公开(公告)日：2016-03-03
申请号：US14470832
申请日：2014-08-27
Applicant: Align Technology, Inc.
Inventor： Yossef Atiya , Tal Verker
CPC classification number: H01S5/423 , A61C9/0053 , F21V5/04 , G01B11/0608 , G01B11/24 , G01C11/12 , G02B27/0905 , G02B27/0922 , G02B27/0961 , H01S5/005 , H01S5/183
Abstract: Methods and apparatus for measuring objects comprise a plurality of light sources to generate a plurality of light beams directed toward a spot generator array comprising a plurality of spot generating lenses. The plurality of light sources is separated from the spot generator array with a separation distance sufficient to overlap the plurality of light beams at each of the spot generating lenses. The overlap of each of the beams at each of the spot generating lenses provides smoothing of the energy profile of the light energy incident on the spot generating lenses. The spot generator array generates focused spots comprising overlapping focused beams. The overlapping beams may comprise overlapping beams of a vertical cavity surface emitting laser (VCSEL) array, and the overlapping focused beams can decrease optical artifacts.
Abstract translation: 用于测量物体的方法和装置包括多个光源，以产生指向包括多个点产生透镜的点发生器阵列的多个光束。 多个光源与点发生器阵列分开，间隔距离足以与每个点产生透镜上的多个光束重叠。 每个光斑产生透镜中的每个光束的重叠提供了入射在光斑产生透镜上的光能的能量分布的平滑。 点发生器阵列产生聚焦点，其包括重叠的聚焦光束。 重叠光束可以包括垂直腔表面发射激光器（VCSEL）阵列的重叠光束，并且重叠的聚焦光束可以减少光学伪影。
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Patent Agency Ranking
公开(公告)号：US12279929B2
公开(公告)日：2025-04-22
申请号：US18485222
申请日：2023-10-11
Applicant: Align Technology, Inc.
Inventor： Ofer Saphier , Yossef Atiya , Arkady Rudnitsky , Nir Makmel , Sergei Ozerov , Tal Verker , Tal Levy
IPC: A61C9/00 , A61B1/00 , A61B1/24 , G02B27/42 , G06T7/521 , G06T7/586 , G06T7/80 , G06T17/00 , H04N9/31
Abstract: A dental scanning system comprises an intraoral scanner and one or more processors. The intraoral scanner comprises one or more light projectors configured to project a pattern (comprising a plurality of pattern features) on a surface of a dental object, and two or more cameras configured to acquire one or more sets of images, wherein each set of images comprises at least one image from each camera, and wherein each image includes at least a portion of the projected pattern. The processors are configured to determine one or more image features within each set of images, solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, and wherein the correspondence problem is solved for groups of pattern features, and generate a digital 3D representation of the dental object using the solution to the correspondence problem.
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公开(公告)号：US12274600B2
公开(公告)日：2025-04-15
申请号：US18914013
申请日：2024-10-11
Applicant: Align Technology, Inc.
Inventor： Ofer Saphier , Yossef Atiya , Arkady Rudnitsky , Nir Makmel , Sergei Ozerov , Tal Verker , Tal Levy
IPC: A61C9/00 , A61B1/00 , A61B1/24 , G02B27/42 , G06T7/521 , G06T7/586 , G06T7/80 , G06T17/00 , H04N9/31
Abstract: An intraoral scanning system comprises an elongate handheld wand with a probe at a distal end, a structured light projector configured to project a uniform structured light pattern onto an object, a plurality of cameras configured to capture points of the uniform structured light pattern projected onto the object by the structured light projector, and one or more processors. The one or more processors are configured to determine a correspondence between projected points in the uniform structured light pattern generated by the structured light projector and captured points of the uniform structured light pattern captured by the plurality of cameras viewing the uniform structured light pattern projected onto the object, and to use triangulation and the determined correspondence to determine three-dimensional points in space associated with the captured points of the uniform structured light pattern captured by the plurality of cameras.
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公开(公告)号：US12263064B2
公开(公告)日：2025-04-01
申请号：US18810503
申请日：2024-08-20
Applicant: Align Technology, Inc.
Inventor： Gilad Elbaz , Erez Lampert , Yossef Atiya , Avi Kopelman , Ofer Saphier , Maayan Moshe , Shai Ayal , Michael Sabina , Eric Kuo , Assaf Weiss , Doron Malka , Eliahou Franklin Nizard , Ido Tishel
Abstract: Methods and apparatuses for generating and displaying a model of a subject's teeth. Described herein are intraoral scanning methods and apparatuses for generating a three-dimensional model of a subject's intraoral region (e.g., teeth). These methods and apparatuses may be used for identifying and evaluating lesions, caries and cracks in the teeth.
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公开(公告)号：US12178685B2
公开(公告)日：2024-12-31
申请号：US18418211
申请日：2024-01-19
Applicant: Align Technology, Inc.
Inventor： Ofer Saphier , Yossef Atiya , Arkady Rudnitsky , Nir Makmel , Sergei Ozerov , Tal Verker , Tal Levy
IPC: A61C9/00 , A61B1/00 , A61B1/24 , G02B27/42 , G06T7/521 , G06T7/586 , G06T7/80 , G06T17/00 , H04N9/31
Abstract: A dental scanning system comprises an intraoral scanner and one or more processors. The intraoral scanner comprises one or more light projectors configured to project a pattern (comprising a plurality of pattern features) on a dental object, and two or more cameras configured to acquire sets of images, each comprising at least one image from each camera. The processor(s) are configured to determine a correspondence between pattern features in the pattern of light and image features in each set of images by determining intersections of projector rays corresponding to one or more of the plurality of pattern features and camera rays corresponding to the one or more image features in three-dimensional (3D) space based on calibration data that associates the camera rays corresponding to pixels on the camera sensor of each of the two or more cameras to the projector rays.
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公开(公告)号：US20240163413A1
公开(公告)日：2024-05-16
申请号：US18418209
申请日：2024-01-19
Applicant: Align Technology, Inc.
Inventor： Ofer Saphier , Tal Levy , Gal Peleg , Eliran Dafna , Sergei Ozerov , Tal Verker , Nir Makmel , Yossef Atiya
IPC: H04N13/204 , G01B11/25 , G06T7/521 , H04N1/00
CPC classification number: H04N13/204 , G01B11/25 , G06T7/521 , H04N1/00018
Abstract: An intraoral scanner comprises one or more structured light projectors and two or more cameras, where each structured light projector projects a pattern of light onto an intraoral three-dimensional (3D) surface and the two or more cameras capture one or more sets of images, wherein each image includes at least a portion of the projected pattern of light. A processor solves a correspondence problem within a set of images of the one or more sets of images such that points in 3D space are determined based on correspondence of captured features in the set of images to projected features of at least the portion of the projected pattern, wherein said points in 3D space form a solution to the correspondence problem. The processor calibrates the intraoral scanner by performing an adjustment to stored calibration data associated with the intraoral scanner based on the solution to the correspondence problem.
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