Search Results - radiofrequency+(rf)+coil

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A Dual-Mode Coil-Reuse Data Acquisition System for Miniaturized Wirelessly Powered Biopotential Sensing Nodes (Case No. 2024-173)

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed a dual-mode, batteryless coil-reuse system for biosensing devices that enables efficient wireless power transfer and long-range data transmission in a compact form. Background: A vast majority of wearable and implantable medical devices require two wireless...

Published: 5/8/2025 | Inventor(s): Aydin Babakhani, Hamid Jafarisharemi

Keywords(s): Antennas/Wireless, battery-less, battery-less IoT, Bioelectromagnetics, bioelectronics, Bioinformatics, bioinformatics pipeline, Biomedical Engineering, biomedical implantation, biomedical sensors, Biomonitoring, Biosensor, Cardiac failure, coil design, Data Acquisition, Data Analytics, Electrical stimulation, electrochemical sensors, implantable sensors, low-power architecture, low-power device, medical device cardiac monitoring, Medical Devices and Materials, node architecture, non-invasive cardiac monitoring, radiofrequency (RF) coil, radiofrequency signaling, Rechargeable Battery, self-powered wireless sensor solutions, Sensor, Sensors, Smart Antenna, soft electrical circuits, wearable, wearable electronics, wearable medical device, wearable medical devices, wearable sensors

Category(s): Electrical, Electrical > Flexible Electronics, Electrical > Sensors, Electrical > Wireless, Medical Devices, Medical Devices > Monitoring And Recording Systems

Pulsed Dynamic Load Modulation Power Amplifier Circuit (Case No. 2006-330)

Summary: UCLA researchers in the Department of Electrical and Computer Engineering developed a method for a power amplifier circuit with improved efficiency. Background: The wireless communication industry faces a demand for high data transfer rates with limited frequency resources. Existing methods of improving performance involve the use of power...

Published: 2/14/2025 | Inventor(s): Yuanxun Wang, Jinseong Jeong

Keywords(s): Antennas/Wireless, attenuator, Doping (Semiconductor), efficiency enhancement, Electronics & Semiconductors, energy-efficient wireless communication, Microelectronics Semiconductor Device Fabrication, Organic Semiconductor, power amplifier, Power Amplifier Circuit, pulsed load modulation, radiofrequency (RF) coil, radiofrequency signaling, RF signal, Semiconductor, semiconductor chip foundries, Semiconductor Device, Semiconductor Device Fabrication, Semiconductor Ohmic Contact, Semiconductor Risk Assessment, Semiconductor Sapphire, Semiconductors, variable load matching, Wireless, wireless capsule endoscopy, wireless communication, Wireless Sensor Network, zzsemiconducting materials

Category(s): Electrical, Electrical > Signal Processing, Electrical > Wireless, Electrical > Electronics & Semiconductors

2022-048 Flexible Radiofrequency (RF) Coil for Small Field-Of-View Magnetic Resonance Imaging (MRI)

Summary: UCLA researchers in the Department of Neurosurgery have developed a miniature flexible radiofrequency coil for MRI for the detection of small pathological lesions. Background: Magnetic resonance imaging (MRI) is a widely-used medical imaging modality, which can produce clear and contrasted pictures of human anatomy by utilizing magnetism...

Published: 2/14/2025 | Inventor(s): Marvin Bergsneider, Robert Candler, Kyung Sung, Siyuan Liu, Jiahao Lin

Keywords(s): coil design, coil simulation, Endoscopes, endoscopic devices, endoscopic endonasal surgery, Endoscopy, High-resolution, Image Resolution, MRI, pituitary gland, pituitary microadenomas, pituitary tumors, Radio Frequency Coil Human Factors And Ergonomics, radiofrequency (RF) coil, Radiofrequency Ablation, Signal Processing, Signal-To-Noise Ratio, Simulation & Modeling, simulation model, Spatial Multiplexing, spatial resolution, Surgery

Category(s): Life Science Research Tools, Life Science Research Tools > Microscopy And Imaging, Diagnostic Markers, Medical Devices, Medical Devices > Medical Imaging, Medical Devices > Monitoring And Recording Systems, Platforms > Diagnostic Platform Technologies, Medical Devices > Medical Imaging > MRI