Search Results - david+arnold

9 Results Sort By:
Chip-Sized Hybrid Electromechanical Transformer for Low Frequency, High Voltage Gain AC/AC Transformations for Small Electronics
Excels at power management for ultra-low-power wake up circuits or AC/DC power conversions This chip-sized, electromechancial transformer is designed to be integrated with other modern electronics for voltage/current transformation, power conversion, impedance matching, and wake-up circuits. Commonly used transformers generally require large coil windings...
Published: 7/12/2022   |   Inventor(s): David Arnold, Spencer Smith, Mdabdulhalim Miah, Adrian Rendon Hernandez
Keywords(s):  
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Mechanical
Wireless Charging System that Uses Hotspots Instead of Contact
Safely and Efficiently Delivers Tens of Milliwatts of Power To Multiple Receivers This wireless power transmission system robustly transfers electrical power to multiple devices within a large volume of space over a moderate distance. The age of battery-powered electronics has created a huge demand for convenient recharging technologies, typically...
Published: 3/11/2022   |   Inventor(s): Shuo Cheng, Vinod Challa, David Arnold, Alexandra Garraud, Nicolas Garraud
Keywords(s):  
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Others > Energy
Portable Magnetic Susceptometer that Detects Pathogens in the Field During Outbreaks
Simple and Compact Architecture Saves Time and Money When Characterizing Biological Samples The simple and compact architecture of this magnetic susceptometer makes it portable enough to detect biological pathogens in the field during outbreaks, resulting in a faster response. Foodborne illness created a $17.6 billion economic burden in 2018, according...
Published: 2/15/2022   |   Inventor(s): Nicolas Garraud, David Arnold
Keywords(s): Biomedical detection, Diagnostic, Fluidic Measurement, Magnetic susceptometry, Magnetic suspension, Spin vortex discs
Category(s): Technology Classifications > Agricultural > Diagnostics, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics, Technology Classifications > Human Health Care > Diagnostics, Technology Classifications > Medical Devices > Equipment, Technology Classifications > Others > Nanotech, Technology Classifications > Research Tools > Diagnostics
Ultra-Compact Nanowire Antennas Tunable to Low Frequency Ranges
Transmits and Receives Signals via Mechanical Resonance to Reduce Antenna Size by a Factor of 10These sub-wavelength antennas employ composite nanowires that greatly improve magnetoelectric coupling to support ultra-compact designs that are tunable to different low frequency ranges. To achieve good performance, conventional antennas must be comparable...
Published: 6/27/2021   |   Inventor(s): David Arnold, Jennifer Andrew, Matthew Bauer
Keywords(s):  
Category(s): Technology Classifications > Engineering > Computer Science, Technology Classifications > Engineering > Materials
Magnetic Particle Spectrometer that Evaluates Nanoparticles for Biomedical Applications
Uses Motionless Sample to Characterize Nanoparticles Intended for Use in Magnetic Particle ImagingThis magnetic particle spectrometer surpasses available AC susceptometers and magnetic particle spectrometers because it uses high magnetic field amplitude, large frequency range, and specialized coils and signal analysis to remove background noise in order...
Published: 6/27/2021   |   Inventor(s): David Arnold, Carlos Rinaldi, Nicolas Garraud
Keywords(s): Magnetic nanoparticle characterization, Magnetic spectrometer, Magnetic susceptometer
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics
MEMS Microphone Technology for Smaller, Lower-Cost Electronic Devices
Streamlines Manufacturing, Allowing Faster and Easier Processing This MEMS microphone has pared-down packaging making it possible to inexpensively manufacture even smaller electronic devices. The term microphone refers to a transducer or sensor that converts sound into electrical signals. The devices are used in a wide range of consumer products (including...
Published: 6/27/2021   |   Inventor(s): David Arnold, Mark Sheplak
Keywords(s):  
Category(s): Technology Classifications > Engineering > Electrical
Nanocomposite Magnetic Cores for Advanced Manufacturing of High Performance Inductors and Transformers
Increases the Performance of the Power Electronic Components Used in Computing, Communication, Image Processing, Wireless/Mobile, Cloud, and Other Electronic DevicesThese nanocomposite materials, formed using unique nanoscale magnetic powder processing methods, boost electronic system performance by enhancing the soft magnetic cores of magnetic inductors...
Published: 6/27/2021   |   Inventor(s): David Arnold, Jennifer Andrew
Keywords(s): Inductor, Nanoparticles, Nanotechnology, Power Electronics, Power Inductors, Power systems
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Mechanical, Technology Classifications > Others > Nanotech
Magnetic Nanoparticles and Microneedle Tip That Collect Biomarkers for Safe, Early-Stage Arthritis Diagnosis and Monitoring
Allows for Early Intervention, Which Can Delay Osteoarthritis ProgressionThese magnetic nanoparticles and specialized magnetic microneedle tips safely collect biomarkers that indicate early-stage osteoarthritis in knees, hips and other joints. Osteoarthritis affects 12.1 percent of American adults - nearly 27 million people, costing the nation an estimated...
Published: 6/27/2021   |   Inventor(s): David Arnold, Jon Dobson, Elena Yarmola, Zachary Kaufman, Kyle Allen
Keywords(s): inflammatory mediators, Interferon gamma, interleukin-1, interleukin-6, Magnetic Nanoparticle, prostaglandin E, tumor necrosis factor
Category(s): Technology Classifications > Human Health Care > Diagnostics, Technology Classifications > Human Health Care > Therapeutics, Technology Classifications > Medical Devices
Self-Assembly of Microscale Parts Using Integrated Micromagnets
Obviates Human or Robotic Action in Assembling Advanced Microscale Electrical ComponentsThis alternative magnetic assembly system integrates the magnets onto micro part surfaces to enable self-assembly. Over the past few decades, electronics and photonic devices have increased in complexity as they have become more integrated. This trend toward more...
Published: 5/22/2023   |   Inventor(s): David Arnold
Keywords(s): electronic circuits, components and equipment, magnetic and superconductory materials/device, magnetic bonding, MEMS or microsystems, microfabrication, self-assembly, Semiconductors
Category(s): Technology Classifications > Engineering > Computer Science, Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics, Technology Classifications > Engineering > Materials