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Magnetically Coupled Ball Drive for Actuation of Spherical Surfaces Background and summary of the inventionRobust actuation of spherical surfaces is very challenging as the entire surface of the sphere needs to be accessible for omnidirectional motion. Traction forces applied to the exterior surface of the sphere are used for actuation. Application of large actuation torques is especially challenging as slip often occurs,... Published: 2/10/2021   |   Updated: 2/10/2021   |   Inventor(s): Biruk Assefa Gebre Keywords(s):   Category(s): Sensing Devices / Technology

VEHSHI - Vibration Energy Harvesting for Structural Health Instrumentation Critical infrastructures are the mainstay of our nation’s security, health and economic well-being. Bridges interconnecting street networks are bottle necks of the built infrastructure. Disruption due to poorly maintained infrastructure, specifically progressing fatigue damage from initiation to conditions which are ultimately unsafe for operation,... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Leslie Brunell, John Murphy, Mark Conticchio, Diane Jandreski, Curtis Stecyk, Joe Gombar, Lisa Tessitore, Frank Fisher, Bruce McNair, Marcus Rutner Keywords(s):   Category(s): Sensing Devices / Technology

Passive Acoustic Detection, Tracking And Classification System And Method Background:Passive acoustic detection systems have existed for many years and have been used in the detection of various sound sources, including underwater, water surface, ground, underground and airborne targets. With the advances of electronics, computing power and storage, and advanced signal processing techniques, better systems that provide higher... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Hady Salloum, Alexander Sedunov, Nikolay Sedunov, Alexander Sutin Keywords(s):   Category(s): Sensing Devices / Technology

Granules Of Graphene Oxide By Spray Drying Background:Graphene has recently received significant attention due to its many attractive properties, including: chemical and electrochemical stability; electrical conductivity; and theoretical surface area twice as Carbon nanotubes (CNT) and about 5 times of activated carbon. Producing CNT has remained quite expensive despite several decades of... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Hongwei Qiu, Woo Young Lee, Thomas Bechtold, Linh Le Keywords(s):   Category(s): Sensing Devices / Technology

Popcorn-Like Growth Of Graphene-Carbon Nanotube Multi-Stack Hybrid 3D Architecture For Energy Storage Devices Background:Energy storage devices, such as supercapacitors and lithium ion batteries comprise active materials, electrolytes and separators. For optimal energy storage, active materials should have large surface areas, chemical and mechanical stability, and good electrical properties, especially electrical conductivity. As such, carbon-based materials... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Youn-Su Kim, Kitu Kumar, Eui-Hyeok Yang, Frank Fisher Keywords(s):   Category(s): Sensing Devices / Technology

Surface-Patterned Microgel-Tethered Molecular Beacons Background:DNA/RNA microarrays have become a leading method in gene analysis, medical diagnosis and disease prevention, in large measure due to the significant automation and high throughput they bring. Based on the hybridization between surface-immobilized probes and DNA/RNA targets, large amounts of genetic information can be extracted from one assay... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Xiaoguang Dai, Salvatore Marras, Matthew Richardson Libera Keywords(s):   Category(s): Sensing Devices / Technology

Marangoni Stress-Driven Droplet Manipulation On Smart Polymers For Ultra-Low Voltage Digital Microfluidics An ultra-low voltage microfluidic device for manipulating droplets of liquid by inducing Marangoni stress therein includes a plurality of smart-polymer electrodes having films of smart polymer exposed at their surfaces. The surface of the smart polymer becomes hydrophobic or hydrophilic in response to different electromagnetic potentials. The smart... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Eui-Hyeok Yang, Yao-Tsan Tsai, Chang-Hwan Choi Keywords(s):   Category(s): Sensing Devices / Technology

Active Bandgap Tuning Of Materials For Tunable Photodetection Applications Background:Photodetectors comprise layers of photosensitive materials that can detect incident light of certain photon energies (which may also be expressed as wavelengths) related to the bandgap of the material. A bandgap is defined as the gap, expressed as an energy, between the lowest point of the conduction band and the highest point of the valence... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Vikram Patil, Eui-Hyeok Yang, Stefan Strauf Keywords(s):   Category(s): Sensing Devices / Technology

Passive Underwater Acoustic System For Detection Localization And Classification Of Acoustic Sources Background:One of the most challenging aspects of port security is providing protection from that approach from beneath the surface of water as well as from above the surface of water. Explosive device delivery can occur as explosive can be delivered underwater and can be carried to shore by people using underwater breathing apparatus such as SCUBA... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Michael Bruno, Barry Bunin, Laurent Fillinger, Howard Goheen, Alexander Sedunov, Nikolay Sedunov, Alexander Sutin, Mikhail Tsionskiy, Jeremy Turner Keywords(s):   Category(s): Sensing Devices / Technology

Phase Coherent Solid State Electron Gyroscope Array INVENTION SUMMARY:An apparatus and method is disclosed which may comprise an electron gyroscope, which may comprise an interferometer array which may comprise interferometer rings formed from a sheet of graphene. Each interferometer ring in the interferometer array may have a half-circumference shorter in length than the ballistic length for an electron... Published: 2/10/2021   |   Updated: 7/30/2018   |   Inventor(s): Christopher Search, Eui-Hyeok Yang, Stefan Strauf Keywords(s):   Category(s): Sensing Devices / Technology

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