Cognitive HF Radio with Tuned Compact Antenna
This invention is a high frequency (HF) radio with a compact and highly configurable antenna with the ability to overcome interference by changes in the ionosphere. This antenna utilizes machine learning and optimization methods to adjust to the environment.
Background:
Long-distance HF communication relies on ionospheric reflections, especially...
Published: 8/1/2024
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Inventor(s): Tamal Bose, Hao Xin, Michael Marefat, Hamed Asadi, Ahmed Abdelrahman, Min Liang
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Antenna, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Wireless, Technology Classifications > Software & Information Technology > Communications & Networking
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Compact Multiband Mobile Phone Antennas for LTE Operations
This invention is an antenna that can be used in hardware configurable mobile devices and is compatible with installation on a metal endoskeleton.
Background:
The research for this technology has been trying to find an antenna that is compatible with the new customizable modular mobile devices but can still transmit and receive despite being attached...
Published: 8/1/2024
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Inventor(s): Hao Xin, Junqiang Wu, Ahmed Abdelrahman, Min Liang, Xiaoju Yu
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Wireless, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Antenna, Technology Classifications > Engineering & Physical Sciences > Electronics > Computer Hardware
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Millimeter-Wave Reflect-Array for Compressive Threat Detection in Security Screening Applications
University of Arizona inventors have created a security screening technology that uses a reconfigurable millimeter-wave reflect-array with compressive sensing to detect threats including guns, knives, explosives, liquids, gels, and more.
Background:
The need to modernize and improve passenger security screening has been a topic of conversation across...
Published: 8/1/2024
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Inventor(s): Hao Xin, Tim Harvey, Min Liang, Mark Neifeld
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation, Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive
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Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers
Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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All-Fiber Multicore Fiber Laser Devices
Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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