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公开(公告)号:US20240318345A1
公开(公告)日:2024-09-26
申请号:US18734209
申请日:2024-06-05
Inventor: Chang-Hwan Choi , Junghoon Lee
CPC classification number: C25D11/246 , C25D11/24 , C25D11/10
Abstract: A process includes means for depositing an anti-corrosion coating filled with liquid oil on an aluminum substrate. Aluminum is anodized and then treated with a thin hydrophobic sub-coating. The pores created through anodization are then impregnated with liquid oil. Oil penetration is maximized and residual air is minimized by first filling the pores with a filling solution, replacing the filling solution with an exchange fluid, and then replacing the exchange fluid with perfluorinated oil. The oil gives the surface coating anti-wetting properties and self-healing properties, thereby protecting the aluminum substrate underneath from corrosion.
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公开(公告)号:US12051958B2
公开(公告)日:2024-07-30
申请号:US16929982
申请日:2020-07-15
Inventor: Biruk Assefa Gebre , Kishore Pochiraju
CPC classification number: H02K49/102 , B60B19/006 , B60B19/14 , B62D11/003 , B62D11/04 , H02K2201/18
Abstract: A magnetically coupled ball drive system for actuation of spherical surfaces and wheels is disclosed. An internal support structure interacts with exterior drive wheels magnetically to produce rotational motion. A related improvement involving reduction of slip due to insufficient traction is also presented to establish a design for a more robust and versatile device that can be used in robotics or for producing vehicle locomotion.
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公开(公告)号:US20230396423A1
公开(公告)日:2023-12-07
申请号:US18206530
申请日:2023-06-06
Inventor: Yuping HUANG , Lac Thi Thanh NGUYEN
IPC: H04L9/08
CPC classification number: H04L9/0852 , H04L2209/46
Abstract: The present invention relates to methods for secure computation and/or communication. Entangled photons (118) are generated such that each participating party receives a series of optical pulses. Each party has private information (110, 112) which are never transmitted through public or private communication channels. Instead, each party converts their respective private information (110, 112) into measurement bases via an encryption process (114, 116) which are then applied to the entangled photons (118). After the measurement process, e.g., quantum frequency conversion (122, 124), reference indices are announced (124, 126) so that computation can be performed (128) without revealing the private information directly or indirectly.
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公开(公告)号:US11727717B2
公开(公告)日:2023-08-15
申请号:US17568157
申请日:2022-01-04
Applicant: THE TRUSTEES OF PRINCETON UNIVERSITY , THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY
Inventor: Alexander T. Todorov , Stefan D. Uddenberg , Joshua C. Peterson , Thomas L. Griffiths , Jordan W. Suchow
IPC: G06V40/16 , G06N3/04 , G06V10/764 , G06V10/774 , G06V10/82
CPC classification number: G06V40/165 , G06N3/04 , G06V10/764 , G06V10/774 , G06V10/82 , G06V40/171 , G06V40/174
Abstract: When one looks at a face, one cannot help but ‘read’ it: in the blink of an eye, people form reliable impressions of both transient psychological states (e.g., happiness) and stable character traits (e.g., trustworthiness). Such impressions are irresistible, formed with high levels of consensus, and important for social decisions. Disclosed herein is a large-scale data-driven methodology that allows for the easy manipulation of social trait information in hyper-realistic face images. For example, a given face image could be made to look more or less trustworthy by moving a simple slider. Further, this method can not only generate faces, but can ‘read’ faces as well, providing confidence estimates of different social traits for any arbitrary image. The disclosed approach is both fast and accurate, and represents a paradigm shift in facial photo manipulation.
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公开(公告)号:US11612676B2
公开(公告)日:2023-03-28
申请号:US15885408
申请日:2018-01-31
Inventor: Hongjun Wang , Meng Xu , Deep Parikh , Jin Zou , Weiwei Wang
IPC: A61L27/36 , A61L27/56 , G01N33/50 , C12N5/00 , A61L27/54 , A61L27/18 , A61L27/52 , A61L27/58 , A61L27/60
Abstract: 3D native tissue-derived scaffolding materials are made in various formats, including but not limited to hydrogel, sponge, fibers, microspheres, and films, all of which function to better preserve natural extracellular matrix molecules and to recapitulate the natural tissue environment, thereby effectively guiding tissue regeneration. Tissue-derived scaffolds are prepared by incorporating a homogenized tissue-derived suspension into a polymeric solution of synthetic, natural, or hybrid polymers. Such tissue-derived scaffolds and scaffolding materials have a variety of utilities, including: the creation of 3D tissue models such as skin, bone, liver, pancreas, lung, and so on; facilitation of studies on cell-matrix interactions; and the fabrication of implantable scaffolding materials for guided tissue formation in vivo. The tissue-derived scaffolds and scaffolding materials also provide the opportunity to correlate the functions of extracellular matrix with tissue regeneration and cancer metastasis, for example.
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公开(公告)号:US20230000392A1
公开(公告)日:2023-01-05
申请号:US17931527
申请日:2022-09-12
Applicant: THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY , THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
Inventor: Damiano Zanotto , Sunil K. Agrawal , Huanghe Zhang
Abstract: A quantitative gait training and/or analysis system includes one or more footwear modules that may include a piezoresistive sensor, an inertial sensor and an independent logic unit. The footwear module functions to permit the extraction of gait kinematics and evaluation thereof in real time, or data may be stored for later reduction and analysis. Embodiments relating to calibration-based estimation of kinematic gait parameters are described.
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公开(公告)号:US11541648B2
公开(公告)日:2023-01-03
申请号:US16541054
申请日:2019-08-14
Inventor: Runzhi Zhang , Eui-Hyeok Yang
Abstract: Flexible and stretchable electronics, including supercapacitors and pressure sensors, are made using carbon nanostructures produced by providing a first composite structure which includes a temporary substrate and an array of carbon nanotubes arranged in a stack on a surface of the temporary substrate such that the stack of carbon nanotubes is oriented generally perpendicular to the surface of the temporary substrate, which may include silicon dioxide. The stack of carbon nanotubes is transferred from the temporary substrate to another substrate, which includes a curable polymer, thereby forming another composite structure comprising the stack of carbon nanotubes and the cured polymer.
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公开(公告)号:US11407657B2
公开(公告)日:2022-08-09
申请号:US16766066
申请日:2018-12-04
Inventor: Eui-Hyeok Yang, Jr. , Jian Xu , Wei Xu , Brendan Englot , Chang-Hwan Choi
IPC: C02F1/40 , C02F1/28 , B82Y30/00 , C02F101/32 , C02F103/00
Abstract: Smart membranes (14) are integrated into a small, unmanned surface vessel (20) to enable the efficient, automated cleanup of oil spills. Such a vessel (20) has the potential to provide a low-cost, modular solution for day-to-day oil-spill cleanup operations, especially in confined aquatic areas, such as under piers and in the small spaces between marine vessels and piers. The smart membranes (14) are provided on the surface of a conveyor belt (34) that circulates the membranes (14) through the surrounding body of water (10) for oil collection, as well as through an internal reduction chamber (22) of the vessel (20) for oil release. The smart membranes (14) are adapted to attract and repel oil (12) in response to low-voltage commands applied across the conveyor belt (34), using a process that is repeatable for a number of cycles, offering high efficiency and long durability (FIG. 5).
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公开(公告)号:US11264775B2
公开(公告)日:2022-03-01
申请号:US17077878
申请日:2020-10-22
Inventor: Yuping Huang
IPC: H01S3/094 , G02B27/09 , H01S3/11 , H01S3/00 , G01S7/48 , G01S17/00 , G01S17/95 , G01S17/88 , H01S3/30 , H01S3/067 , H01S3/16
Abstract: Disclosed is a system and method for remote sensing, surface profiling, object identification, and aiming based on two-photon population inversion and subsequent photon backscattering enhanced by superradiance using two co-propagating pump waves. The present disclosure enables efficient and highly-directional photon backscattering by generating the pump waves in properly pulsed time-frequency modes, proper spatial modes, with proper group-velocity difference in air. The pump waves are relatively delayed in a tunable pulse delay device and launched to free space along a desirable direction using a laser-pointing device. When the pump waves overlap in air, signal photons will be created through two-photon driven superradiant backscattering if target gas molecules are present. The backscattered signal photons propagate back, picked using optical filters, and detected. By scanning the relative delay and the launching direction while the signal photons are detected, three-dimensional information of target objects is acquired remotely.
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公开(公告)号:US20210356306A1
公开(公告)日:2021-11-18
申请号:US17320112
申请日:2021-05-13
Inventor: Nick Parziale
Abstract: Methods and apparatus for tracking fluid flows are disclosed. Fast-moving fluids can be non-invasively tracked, including those at supersonic and hypersonic speeds. To track such flows, atoms of an inert gas can be introduced into the fluid. To monitor the tracer, a laser excites a series of molecules along a “write line,” which can be tracked by a series of cameras in order to estimate flow velocity.
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