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公开(公告)号：US12124060B2
公开(公告)日：2024-10-22
申请号：US17564190
申请日：2021-12-28
Applicant: MLOptic Corp
Inventor： Pengfei Wu , Wei Zhou , Jiang He , Siyuan Liang
CPC classification number: G02B5/04 , G02B27/0172 , G02B2027/0123
Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.
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公开(公告)号：US11644603B2
公开(公告)日：2023-05-09
申请号：US17549619
申请日：2021-12-13
Applicant: MLOptic Corp
IPC: G02B5/09
CPC classification number: G02B5/09
Abstract: A special-shaped plane reflecting mirror including a first reflecting mirror, a second reflecting mirror, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror; wherein the second reflecting mirror and the fourth reflecting mirror are constructed the same and symmetrically arranged on both sides of the first reflecting mirror, the third and fifth reflecting mirrors have the same structure and are arranged symmetrically on both sides of the first reflecting mirror, the first reflecting mirror is placed at an angle of 45° with the horizontal plane, and the second reflecting mirror. The first mirror is placed at an angle of 45° with the horizontal plane, the angle between the reflection surface of the second mirror and the reflection surface of the first mirror is 165°, and the angle between the reflection surface of the third mirror and the reflection surface of the first mirror is 163°.
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公开(公告)号：US11300527B1
公开(公告)日：2022-04-12
申请号：US17485240
申请日：2021-09-24
Applicant: MLOptic Corp
Inventor： Jiang He , Teresa Zhang , Wei Zhou , Peihong Bai
IPC: G01N21/958 , G01M11/02 , G06T5/50 , H04N5/225 , G01N21/88
Abstract: A method for detecting lens cleanliness of a lens disposed in a flat-field optical path, the flat-field optical path including a light source, the lens, a camera, the light source is a narrow-band multispectral uniform surface light source, the camera's light-sensitive surface is disposed perpendicular to an optical axis of the lens and in the light position of the lens, the method including collecting the bright-field image data and dark-field image data in a plurality of spectra through the lens; for each pixel, performing a spectral differential flat-field correction operation to yield a plurality of spectral differentials; and displaying the spectral differentials in the form of a plurality of images to show a uniformity of each of the plurality of images, wherein a non-uniform area on each of the plurality of images is determined to have been caused by an impurity of the lens.
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4.发明授权公开(公告)号：US11867501B2
公开(公告)日：2024-01-09
申请号：US17563873
申请日：2021-12-28
Applicant: MLOptic Corp
Inventor： Pengfei Wu , Wei Zhou , Jiang He , Siyuan Liang
IPC: G01B11/27
CPC classification number: G01B11/27
Abstract: A system for calibrating an equipment, the system including a beam splitter; a first reticle configured to be removably attached to the equipment; and an image capture device including an image plane, wherein an image of the first reticle is configured to be received by way of the beam splitter at the image plane along an optical axis of the beam splitter, wherein the orientation as indicated by the first reticle is compared to an orientation of the image plane and if the orientation as indicated by the first reticle differs from the orientation of the image plane, the equipment is rotated about the optical axis of the beam splitter such that the orientation as indicated by the first reticle matches the orientation of the image plane.
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5.发明公开公开(公告)号：US20230194252A1
公开(公告)日：2023-06-22
申请号：US17555873
申请日：2021-12-20
Applicant: MLOptic Corp
Inventor： Wei Zhou , Jiang He , Siyuan Liang
CPC classification number: G01B11/272 , G02B27/30
Abstract: A chromatic confocal sensor configured for calibrating an orientation of an equipment about the optical axis of the chromatic confocal sensor, wherein the equipment is disposed at a first orientation about the optical axis of the chromatic confocal sensor, the chromatic confocal sensor including a light source, a collimator, a lens and a reticle, wherein the light source, the collimator and the lens are coaxially disposed along the optical axis, the reticle is configured to be interposable between the collimator and the lens along the optical axis, an image is configured to be cast by the light source through the collimator, the reticle and the lens on the equipment, the image is disposed at a second orientation about the optical axis and the equipment is calibratable by aligning the equipment with the image such that the first orientation approaches the second orientation.
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Patent Agency Ranking
公开(公告)号：US20240231085A1
公开(公告)日：2024-07-11
申请号：US18217476
申请日：2023-06-30
Applicant: MLOptic Corp
CPC classification number: G02B27/0101 , G02B6/4221 , G02B6/4227
Abstract: A method for aligning the projection of a first light source with an in-coupler of a planar waveguide, the method including supplying a secondary light source through an optical path of the planar waveguide to exit at the in-coupler of the planar waveguide as an exit light, determining the concentricity of the exit light with respect to the first light source, and improving the concentricity of the exit light with respect to the first light source by adjusting the positioning of the first light source such that the exit light becomes concentric with the projection of the first light source.
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7.发明授权公开(公告)号：US11852464B2
公开(公告)日：2023-12-26
申请号：US17555873
申请日：2021-12-20
Applicant: MLOptic Corp
Inventor： Wei Zhou , Jiang He , Siyuan Liang
CPC classification number: G01B11/272 , G02B27/30
Abstract: A chromatic confocal sensor configured for calibrating an orientation of an equipment about the optical axis of the chromatic confocal sensor, wherein the equipment is disposed at a first orientation about the optical axis of the chromatic confocal sensor, the chromatic confocal sensor including a light source, a collimator, a lens and a reticle, wherein the light source, the collimator and the lens are coaxially disposed along the optical axis, the reticle is configured to be interposable between the collimator and the lens along the optical axis, an image is configured to be cast by the light source through the collimator, the reticle and the lens on the equipment, the image is disposed at a second orientation about the optical axis and the equipment is calibratable by aligning the equipment with the image such that the first orientation approaches the second orientation.
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8.发明公开公开(公告)号：US20230213759A1
公开(公告)日：2023-07-06
申请号：US17565575
申请日：2021-12-30
Applicant: MLOptic Corp
Inventor： Wei Zhou , Jiang He , Siyuan Liang , Huayu Gu
CPC classification number: G02B27/0172 , G02B27/14 , G02B2027/0136 , G02B2027/0198
Abstract: A system for extending the effective aperture of an optical output in a direction parallel to the optical axis of the optical output, the system including a beam splitter configured for receiving an output beam of the optical output along the optical axis of the optical output, the beam splitter configured for splitting the output beam into two light beams; a central mirror for receiving and directing a first of the two light beams from the beam splitter; and a pair of motorized mirrors each motorized mirror including a mobility mechanism and a mirror functionally connected to the mobility mechanism, each of the motorized mirrors is configured to be movable in a direction orthogonal to the optical axis, wherein the optical output is extended to the two light beams separated by a pupil distance adjustable by controlling at least a mobility mechanism of one of the pair of motorized mirrors.
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公开(公告)号：US11268880B1
公开(公告)日：2022-03-08
申请号：US17485264
申请日：2021-09-24
Applicant: MLOptic Corp
Inventor： Jiang He , Teresa Zhang , Wei Zhou , Weida Liu
Abstract: A method for detecting lens cleanliness of a lens in a flat-field optical path, the flat-field optical path includes a light source, the lens, a camera, the light source is a narrow-band multispectral uniform surface light source, the camera's light-sensitive surface is disposed perpendicular to an optical axis of the lens and in the light position of the lens and a pupil interposed between the lens and the light source, the method including collecting the bright-field image data and dark-field image data for a plurality of pupil aperture sizes through the lens; for each pixel, performing a pupil differential flat field correction to yield a plurality of PiPj pupil differentials; and displaying the pupil differentials in the form of a plurality of images to show uniformity of each image, wherein a non-uniform area on each image is determined to have been caused by an impurity of the lens.
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10.发明公开公开(公告)号：US20230204831A1
公开(公告)日：2023-06-29
申请号：US17564190
申请日：2021-12-28
Applicant: MLOptic Corp
Inventor： Pengfei Wu , Wei Zhou , Jiang He , Siyuan Liang
CPC classification number: G02B5/04 , G02B27/0172 , G02B2027/0123
Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.
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