Results 61 to 70 of about 54,140 (338)

Integrated broadband bowtie antenna on transparent substrate

, 2015
The bowtie antenna is a topic of growing interest in recent years. In this paper, we design, fabricate, and characterize a modified gold bowtie antenna integrated on a transparent glass substrate.
Chen, Ray T., Chung, Chi-jui, Pan, Zeyu, Subbaraman, Harish, Wang, Shiyi, Yan, Hai, Zhan, Qiwen, Zhang, Xingyu   +7 more
core   +1 more source

Augmenting forearm crutches with wireless sensors for lower limb rehabilitation [PDF]

, 2010
Forearm crutches are frequently used in the rehabilitation of an injury to the lower limb. The recovery rate is improved if the patient correctly applies a certain fraction of their body weight (specified by a clinician) through the axis of the crutch ...
, , Bergmann G, Christian Peters, Engel J, Geoff V Merrett, Georgina Hallett, Liggins A B Coiro D Lange G W Johnston T E Smith B T McCarthy J J, Merrett G V Peters C Hallett G White N M, Mohamed A Ettabib, Neil M White, Novel GmbH, Polak F, Polastre J Hill J Culler D, Santic A Bilas V Lackovic I, Tekscan, Texas Instruments, Texas Instruments, Tveit M, Walker J M, Wannstedt G, Wolf S L, Wu W Au L Jordan B Stathopoulos T Batalin M Kaiser W Vahdatpour A Sarrafzadeh M Fang M Chodosh J   +22 more
core   +1 more source

Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture

Advanced Healthcare Materials, EarlyView.
This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus, Md Osman Goni Nayeem, Aastha Shah, Jason Hou, Shrihari Viswanath, Maya Eusebio, David Sadat, Anantha P. Chandrakasan, Tolga Ozmen, Canan Dagdeviren   +9 more
wiley   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Class E Power Amplifier Design and Optimization for the Capacitive Coupled Wireless Power Transfer System in Biomedical Implants

Energies, 2017
The capacitive coupled wireless power transfer (CCWPT) operating at megahertz (MHz) frequency is broadly considered as the promising solution for low power biomedical implants.
Narayanamoorthi R., Vimala Juliet A., Bharatiraja Chokkalingam, Sanjeevikumar Padmanaban, Zbigniew M. Leonowicz   +4 more
doaj   +1 more source

Shielded Capacitive Power Transfer (S-CPT) without Secondary Side Inductors

Energies, 2021
In this study, we propose a four-plate structure with two shielding plates to produce shielded capacitive power transfer (S-CPT) at an operating frequency of 6.78 MHz for a 10 W system.
Suziana Ahmad, Aam Muharam, Reiji Hattori, Anyu Uezu, Tarek M. Mostafa   +4 more
doaj   +1 more source

Comparison of low-power wireless communication technologies for wearable health-monitoring applications [PDF]

, 2015
Health monitoring technologies such as Body Area Network (BAN) systems has gathered a lot of attention during the past few years. Largely encouraged by the rapid increase in the cost of healthcare services and driven by the latest technological advances ...
Arora, Harneet, Ghamari, Arash, Harwin, William, Sherratt, R Simon   +3 more
core   +1 more source

Preliminary study of 50 W Class-E GaN FET amplifier for 6.78 MHz capacitive wireless power transfer

Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2020
A preliminary study of Class-E radio frequency power amplifier for wireless capacitive power transfer (CPT) system is presented in this paper. Due to a limitation in coupling capacitance value, a high frequency operation of switching power inverter is ...
Aam Muharam, Tarek Mahmoud Mostafa, Suziana Ahmad, Mitsuru Masuda, Daiki Obara, Reiji Hattori, Abdul Hapid   +6 more
doaj   +1 more source

A fully bidirectional 2.4-GHz Wireless-Over-Fiber system using Photonic Active Integrated Antennas (PhAIAs) [PDF]

, 2007
This paper describes a low-cost scheme for implementing in-building distributed antenna systems using the photonic-active-integrated-antenna (PhAIA) concept, whereby photonic devices are integrated directly with planar antennas.
Cryan, MJ, Sittakul, V
core   +2 more sources

Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications

Advanced Materials, EarlyView.
Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo, Carme Martínez‐Domingo, Diego Gutiérrez, Dean Kos, Marta Mas‐Torrent   +4 more
wiley   +1 more source