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1.发明公开公开(公告)号：US20240273744A1
公开(公告)日：2024-08-15
申请号：US18261620
申请日：2023-06-05
发明人： Yongding TIAN , Jiahui TONG , Yangfeng LYU , Xiaoyu YANG , Jiaxin CHEN , Lintao MA , Hu XU , Zhixiang YU
CPC分类号： G06T7/579 , G01B11/16 , G06T7/207 , G06T2207/20208 , G06T2207/30184
摘要： The invention relates to the technical field of intelligent construction and maintenance, and relates to a non-contact visual monitoring system and method for a flexible protective structure against rockfall disasters; it comprises a hardware system and a data analysis system, and the hardware system uses a multipoint distributed high-resolution high-speed camera to capture dynamic image sequences of a protective structure under the rockfall impact in a non-contact mode; the data analysis system comprises an impact deformation state full-field tracking module and a multipoint impact large deformation extraction module, and the impact deformation state full-field tracking module captures spatio-temporal changes of impact deformation of the protective system by adopting a full-field optical flow method, constructs a two-dimensional velocity amplitude distribution diagram and performs full-field spatio-temporal tracking of large deformation of the system.
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公开(公告)号：US20240264060A1
公开(公告)日：2024-08-08
申请号：US18440970
申请日：2024-02-14
发明人： Adrian T. DeWald , Michael R. Hill , Eric Summer , Brett Watanabe , Teresa Wong
CPC分类号： G01N3/58 , G01B7/18 , G01B11/161 , G01L5/0047 , G01N3/066 , G01N3/068 , G01N2203/0053 , G01N2203/0647 , G01N2203/0676
摘要： Analysis of residual stress in materials is often done in static conditions in a laboratory. Accurate systems and methods for performing these analyses in a dynamic, non-laboratory environment are notoriously difficult and can be very inaccurate. A method using a portable, field deployable apparatus having greater accuracy than currently available is disclosed whereby accurate and repeatable residual stress analysis may be implemented in non-laboratory environments leading to greatly improved diagnostics, maintenance and life limit prediction. A laser cutting system is provided to cut through hardened surface layers to minimize machining stresses from mechanically cutting through a hardened layer.
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公开(公告)号：US20240255276A1
公开(公告)日：2024-08-01
申请号：US18560467
申请日：2022-05-18
发明人： STEFANO TACCINI
CPC分类号： G01B11/2513 , G01B11/167 , G01B11/2522
摘要： A detector device for ceramic tiles or slabs that includes a resting plane provided with a longitudinal direction and a laser emitter arranged to emit a flat laser beam on the resting plane so as to illuminate a detection line on the resting plane. The laser beam lies on a plane having a first inclination with respect to the transport plane and the laser beam has a second inclination with respect to the longitudinal direction. The detector device also includes a camera provided with a vision cone having a longitudinal axis, which longitudinal axis has an inclination with respect to the transport plane; the vision cone faces the transport plane so as to include the detection line, wherein the laser emitter and the camera are located on the same side of the transport plane.
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公开(公告)号：US20240247582A1
公开(公告)日：2024-07-25
申请号：US18600206
申请日：2024-03-08
发明人： Sebastian Jung , Thomas Kruspe , Andreas Herbel
IPC分类号： E21B47/01 , E21B47/017 , G01B11/16 , G01D5/353 , G01P15/093
CPC分类号： E21B47/01 , E21B47/017 , G01B11/18 , G01D5/353 , G01P15/093
摘要： A method of manufacturing a transducer includes forming a support structure from a transparent material, the support structure configured to support a sensing element and deform in response to an environmental parameter. Forming the support structure includes modifying a first portion of the transparent material by exposing the first portion to laser radiation, and removing the first portion by an etching process. The method also includes disposing the sensing element at a fixed position relative to the support structure, the sensing element configured to generate a signal indicative of deformation of the support structure.
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公开(公告)号：US20240230900A1
公开(公告)日：2024-07-11
申请号：US18090974
申请日：2022-12-29
发明人： Michael J. DeWeert
CPC分类号： G01S17/18 , G01B11/162 , G01S17/89
摘要： An interferometry system and method thereof detects movements of the surface of a body of water in response to acoustic waves generated from a sub-surface source interacting with the surface. Movements of the surface of the body of water are viewed over multiple interferometric images that can be pieced together to generate an interferometric movie or video. The interferometric movie or video depicts the movement of the acoustic wave propagating through the viewing area. Once the movement of the acoustic wave propagating through the viewing area is known, then back propagation techniques are employed to determine or triangulate the location of the sub-surface source that generated the acoustic wave.
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公开(公告)号：US20240227879A1
公开(公告)日：2024-07-11
申请号：US18143637
申请日：2023-05-05
CPC分类号： B61K9/08 , G01B9/02083 , G01B11/162 , G06T7/0002 , G06T7/40 , H04N25/71 , G06T2207/20081 , G06T2207/20224 , G06T2207/30232 , G06T2207/30252
摘要： A method for AI real-time inspecting a fastener loosening status, in which a light intensity matrix of a fastener being detected and its adjacent surfaces is obtained via a laser irradiation and an area scan camera system in order to obtain any possible loosening information blow any surface; a correspondence between a speckle texture map and a fastener loosening status is established directly through machine learning of AI, so that the loosening status of any fastener is identified not by any conventional phase extracting technique but by an AI judgement model. According to the present invention, any status at a certain depth below a surface can be detected, and even any status that some fastener is about to be loosened but has not yet actually deformed can also be detected in advance; and a detecting efficiency and accuracy can surpass an ability of skilled human workers.
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公开(公告)号：US12025828B2
公开(公告)日：2024-07-02
申请号：US18079029
申请日：2022-12-12
申请人： OFS Fitel, LLC
发明人： Tristan Kremp , Paul S. Westbrook , Tommy Geisler
IPC分类号： G01B11/16 , G02B6/02 , G01B9/0209 , G01N21/47
CPC分类号： G02B6/02 , G01B11/18 , G02B6/02052 , G01B9/0209 , G01N21/47 , G02B6/0208
摘要： A high backscattering optical fiber comprising a perturbed segment in which the perturbed segment reflects a relative power such that the optical fiber has an effective index of neff, a numerical aperture of NA, a scatter of Rp→r(fiber) that varies axially along the optical fiber, a total transmission loss of αfiber, an in-band range greater than one nanometer (1 nm), and a figure of merit (FOM) in the in-band range. The FOM being defined as:
F
O
M
=
R
p
→
"\[Rule]"
r
(
fiber
)
α
fiber
(
NA
2
n
eff
)
2
.-
公开(公告)号：US20240180424A1
公开(公告)日：2024-06-06
申请号：US18415434
申请日：2024-01-17
申请人： Matthew Rickard , Creed Jones
发明人： Matthew Rickard , Creed Jones
IPC分类号： A61B3/16 , A61B3/00 , A61B3/12 , A61B3/14 , A61B5/00 , A61B5/07 , A61B5/11 , G01B7/16 , G01B11/16 , G01M5/00 , G16H40/63 , G16H50/30
CPC分类号： A61B3/16 , A61B3/0008 , A61B3/0025 , A61B3/0083 , A61B3/1241 , A61B3/145 , A61B5/0013 , A61B5/076 , A61B5/1116 , A61B5/4842 , A61B5/4884 , A61B5/6803 , A61B5/686 , A61B5/6898 , A61B5/7275 , G01B7/18 , G01B11/165 , G01M5/0008 , G01M5/0033 , G01M5/0083 , A61B2560/0214 , A61B2560/0219 , A61B2562/0219 , A61B2562/0261 , A61B2562/0266 , A61B2562/164 , G01B2210/58 , G16H40/63 , G16H50/30
摘要： Systems and methods for monitoring eye health. The systems and methods monitor eye health by measuring scleral strain by way of an implantable monitor, a wearable monitor configured in eyeglasses, or an external monitor using a portable tablet computing device.
Certain embodiments of the strain monitor may be utilized to measure the strain on any surface to which it is attached, including, but not limited to, the skin of a patient or the surface of a structure such as a building or a bridge.-
公开(公告)号：US11982521B2
公开(公告)日：2024-05-14
申请号：US16487800
申请日：2018-02-22
申请人： NIKON CORPORATION
CPC分类号： G01B11/165 , G01B11/167 , G02B5/1871 , G02B27/425 , G02B27/50
摘要： A method for measuring a spatial distortion of a target surface (110) of a workpiece (110A). Light is transmitted twice through a reference pattern-generator (104) and impinged upon a workpiece pattern-generator (108). Then, with an optical detector (116), first and second beams formed by the light as a result of interaction with two pattern- generators (104) (106) is acquired to produce a signal characterizing geometry of interference fringes formed at the detector (116) by the first and second beams. Indicia representing at least one of a type and a value of spatial distortion of the target surface (110) is generated and recorded. A system embodying the implementation of the method.
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公开(公告)号：US20240133720A1
公开(公告)日：2024-04-25
申请号：US18277910
申请日：2022-02-14
发明人： Yosuke TANAKA , Daiki SAITO
IPC分类号： G01D5/353 , G01B11/16 , G01K11/322
CPC分类号： G01D5/35364 , G01B11/165 , G01K11/322
摘要： A measurement device includes a splitter splitting light from a light source into first and second lights; an optical frequency shifter shifting a frequency of the first light; a first optical modulator modulating intensity of the first light and generating probe light having two frequency components; a second optical modulator generating pump light by pulsing the second light; an optical detector detecting, when the probe light is incident from a first end of an optical fiber to be measured and the pump light is incident from a second side of the optical fiber, light emitted from the second side of the optical fiber; and a processor measuring, based on detected light intensity, temperature or distortion of the optical fiber, in which a frequency of a lower one of the two frequency components yields Brillouin gain, and a frequency of a higher frequency component yields Brillouin loss.
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