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1. 发明授权

US12124060B2 Prism to enable large FOV high resolution sampling with smaller FOV imaging system 有权
公开(公告)号：US12124060B2
公开(公告)日：2024-10-22
申请号：US17564190
申请日：2021-12-28
申请人： MLOptic Corp
发明人： Pengfei Wu , Wei Zhou , Jiang He , Siyuan Liang
IPC分类号： G02B5/04 , G02B27/01
CPC分类号： G02B5/04 , G02B27/0172 , G02B2027/0123
摘要： 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.

2. 发明公开

US20240319041A1 MULTI-CONFIGURABLE WAVEFRONT TESTER 审中-公开
公开(公告)号：US20240319041A1
公开(公告)日：2024-09-26
申请号：US18620384
申请日：2024-03-28
申请人： MLOptic Corp
发明人： Pengfei Wu , Wei Zhou , Wei Wang , Yongshui Cai
IPC分类号： G01M11/02
CPC分类号： G01M11/0257
摘要： A wavefront tester for measuring the wavefront of a sample via an optical path, the wavefront tester including a mirror, an imaging lens, an aperture, a beam splitter, a wavefront sensor, a lens selection system including a plurality of optical lenses, a suitable optical lens of which is commensurate with the sample and selected to be disposed in the optical path and a light source directed in a first direction through the optical path by the beam splitter through the suitable optical lens and the sample to the mirror such that the light source is redirected in a second direction opposite the first direction through the optical path and the beam splitter, the aperture and the imaging lens to be received at the wavefront sensor.

3. 发明授权

US11796821B1 Extended reality virtual distance measurement method 有权
公开(公告)号：US11796821B1
公开(公告)日：2023-10-24
申请号：US18143838
申请日：2023-05-05
申请人： MLOptic Corp
发明人： Pengfei Wu , Wei Zhou
IPC分类号： G02B27/01
CPC分类号： G02B27/0172
摘要： A method for providing a virtual distance of a device under test using a system including a light source, a wedge shear plate, a first detector and a second detector, wherein the wedge shear plate is disposed between the device under test and the light source, the first detector configured for receiving a first interference pattern formed as a result of the light source being disposed through and reflected by the wedge shear plate, and the second detector configured for receiving a second interference pattern formed as a result of the light source being disposed through and reflected by the wedge shear plate, the method including obtaining the first interference pattern using the first detector, obtaining the second interference pattern using the second detector and determining the virtual distance based on the first interference pattern, the second interference pattern, the light source and the wedge shear plate.

4. 发明授权

US11644603B2 Special-shaped plane mirror 有权
公开(公告)号：US11644603B2
公开(公告)日：2023-05-09
申请号：US17549619
申请日：2021-12-13
申请人： MLOptic Corp
发明人： Wei Zhou , Rong Ji , Jiang He , Weida Liu
IPC分类号： G02B5/09
CPC分类号： G02B5/09
摘要： 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°.

5. 发明授权

US11474324B1 Binocular calibration target 有权
公开(公告)号：US11474324B1
公开(公告)日：2022-10-18
申请号：US17683295
申请日：2022-02-28
申请人： MLOptic Corp
发明人： Wei Zhou , Pengfei Wu , Wei Wang
IPC分类号： G02B7/182 , G02B27/30 , G02B27/14
摘要： A system for providing two parallel light beams spaced-apart a selectable distance, the system including: a first beam splitter configured for reflecting a light beam from a light source to create a first datum light beam, the first beam splitter is fixedly attached to a base; a second beam splitter configured for reflecting a transmitted light beam from the light beam from the light source to create a second datum light beam, a third beam splitter configured for reflecting a transmitted light beam from the light beam from the light source to create a third datum light beam, a fourth beam reflecting device configured for reflecting a transmitted light beam from the light beam from the light source to create a fourth light beam. Each of the second, third beam splitters and fourth beam reflecting device is configured to be slidingly attached to the base.

6. 发明授权

US11300527B1 Method for detecting lens cleanliness using spectral differential flat field correction 有权
公开(公告)号：US11300527B1
公开(公告)日：2022-04-12
申请号：US17485240
申请日：2021-09-24
申请人： MLOptic Corp
发明人： Jiang He , Teresa Zhang , Wei Zhou , Peihong Bai
IPC分类号： G01N21/958 , G01M11/02 , G06T5/50 , H04N5/225 , G01N21/88
摘要： 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.

7. 发明公开

US20240231085A1 WAVEGUIDE CALIBRATION 审中-公开
公开(公告)号：US20240231085A1
公开(公告)日：2024-07-11
申请号：US18217476
申请日：2023-06-30
申请人： MLOptic Corp
发明人： Jiang He , Wei Zhou , Wei Wang
IPC分类号： G02B27/01 , G02B6/42
CPC分类号： G02B27/0101 , G02B6/4221 , G02B6/4227
摘要： 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.

8. 发明授权

US11971555B1 Optical parallelism system for extended reality metrology 有权
公开(公告)号：US11971555B1
公开(公告)日：2024-04-30
申请号：US18385041
申请日：2023-10-30
申请人： MLOptic Corp
发明人： Pengfei Wu , Siyuan Liang , Wei Zhou
IPC分类号： G02B27/01 , G01B11/27 , G02B23/00
CPC分类号： G02B27/0172 , G01B11/272 , G02B23/00 , G02B2027/011
摘要： An optical system including an enclosure including a front end and a rear end, a first pair of apertures configured to be disposed on a front plane on the front end of the enclosure and a single optical lens system disposed between the front end and the rear end of the enclosure, wherein the first pair of apertures are configured to allow sets of light rays into the enclosure through the single optical lens system to be cast on an image plane as first and second spots, the image plane being parallel to the front plane, if the first and second spots are concentrically disposed, the sets of light rays are determined to be parallelly disposed with respect to one another, otherwise the sets of light rays are determined to not be parallelly disposed with one another.

9. 发明授权

US11863874B2 Algorithm to correct camera early saturation floor for autoexposure algorithm 有权
公开(公告)号：US11863874B2
公开(公告)日：2024-01-02
申请号：US17567105
申请日：2021-12-31
申请人： MLOptic Corp
发明人： Wei Zhou , Nathan Yang , Wei Wang
IPC分类号： H04N23/73 , H04N23/71 , H04N25/71
CPC分类号： H04N23/73 , H04N23/71 , H04N25/71
摘要： A method for controlling an autoexposure function of a camera to a gray level setting, the method including establishing a critical exposure time of an image sensing device of the camera, wherein the critical exposure time of the image sensing device of the camera is an exposure time at which a first sensed gray level of the image sensing device of the camera is disposed at a target gray level, the sensed gray level is disposed in a trend of decreasing sensed gray level values; exposing the image sensing device of the camera to light to obtain a second sensed gray level and comparing the second sensed gray level at the critical exposure time to the target gray level, if the second sensed gray level is disposed at least at the target gray level, limiting the exposure of the image sensing device of the camera to the critical exposure time.

10. 发明授权

US11852464B2 Chromatic confocal sensor with imaging capability for 6-axis spatial allocation calibration 有权
公开(公告)号：US11852464B2
公开(公告)日：2023-12-26
申请号：US17555873
申请日：2021-12-20
申请人： MLOptic Corp
发明人： Wei Zhou , Jiang He , Siyuan Liang
IPC分类号： G01B11/27 , G02B27/30
CPC分类号： G01B11/272 , G02B27/30
摘要： 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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