Results 61 to 70 of about 26,311 (297)
Energies, 2017 Wireless power transfer from one transmitter to multiple receivers through inductive coupling is slowly entering the market. However, for certain applications, capacitive wireless power transfer (CWPT) using electric coupling might be preferable. In this
Ben Minnaert, Nobby Stevens
doaj +1 more source
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. +7 more
core +1 more source
Advanced Functional Materials, EarlyView.Ferroelectric memcapacitors enable non‐volatile, voltage‐programmable capacitance tuning for adaptive electronics. A TiN/HfZrO/TiN device stack demonstrates more than eight stable capacitance states within a 24 pF memory window in compact 60 ×$\times$ 60 μm2$\umu{\rm m}^{2}$ devices at low operating voltages.
Deepika Yadav +6 more
wiley +1 more source
Research status of bidirectional wireless power transfer technology
Green Energy and Intelligent TransportationWith the expansion of the application field of wireless power transmission (WPT) technology, there is an urgent need for bidirectional wireless power transmission technology (BWPT) to realize the energy interaction between wireless charging devices. This
Yang Wu +3 more
doaj +1 more source
Smart Catheters for Diagnosis, Monitoring, and Therapy
Advanced Healthcare Materials, EarlyView.This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman +12 more
wiley +1 more source
Microcontroller-Based Seat Occupancy Detection and Classification [PDF]
, 2018 This paper presents a microcontroller-based measurement system to detect and confirm the presence of a subject in a chair. The system relies on a single Force Sensing Resistor (FSR), which may be arranged in the seat or backrest of the chair, that ...
Cota Ruiz, Juan +3 more
core +1 more source
Boron‐Doped Nano‐Crystalline Coated Carbon Fibers for Phasic Dopamine Sensing
Advanced Healthcare Materials, EarlyView.This uniform coating presents a mix of graphitic and diamond‐like carbon to create a mechanically and electrically robust alternative for the electrochemical detection of dopamine. The electrodes in this work possess the equivalent sensitivity to the state‐of‐the‐art FSCV dopamine detecting electrodes, whilst demonstrating an ability to withstand ...
Simon J. Higham +19 more
wiley +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 +6 more
doaj +1 more source
Energy Coupled Mode Theory for an arbitrary number of resonators
, 2014 There is recent interest in the inter and intra element interactions of metamaterial unit cells. To calculate the effects of these interactions which can be substantial, an ab initio general coupled mode equation, in the form of an eigenvalue problem, is
Elnaggar, Sameh Y. +2 more
core +1 more source
A 24-GHz SiGe Phased-Array Receiver—LO Phase-Shifting Approach [PDF]
, 2005 A local-oscillator phase-shifting approach is introduced to implement a fully integrated 24-GHz phased-array receiver using an SiGe technology. Sixteen phases of the local oscillator are generated in one oscillator core, resulting in a raw beam-forming ...
Guan, Xiang +3 more
core +1 more source