Results 51 to 60 of about 114,306 (256)

Wearable and mobile devices [PDF]

open access: yes, 2005
Information and Communication Technologies, known as ICT, have undergone dramatic changes in the last 25 years. The 1980s was the decade of the Personal Computer (PC), which brought computing into the home and, in an educational setting, into the ...
de Freitas, Sara, Levene, Mark
core  

Wearable Capacitive-based Wrist-worn Gesture Sensing System [PDF]

open access: yes, 2017
Gesture control plays an increasingly significant role in modern human-machine interactions. This paper presents an innovative method of gesture recognition using flexible capacitive pressure sensor attached on user’s wrist towards computer vision and ...
Dahiya, Ravinder   +2 more
core   +1 more source

Composition‐Tuned Enhancement of the Anomalous Nernst Effect in FeCo–Pt Thin Films on Rigid and Flexible Substrates

open access: yesAdvanced Engineering Materials, EarlyView.
Disordered (Fe50Co50)1−xPtx thin films exhibit a pronounced anomalous Nernst effect (ANE) with a strong composition dependence on both rigid and flexible substrates. The transverse thermoelectric response peaks near 22.5 at.% Pt, accompanied by enhanced αxy/σxy scaling, thermal transport, and ANE sensitivity.
Mojtaba Mohammadi   +2 more
wiley   +1 more source

Intrinsically anisotropic 1D NbTe4 for self-powered polarization-sensitive photodetection

open access: yesNPG Asia Materials
Polarization-sensitive photodetection enhances scene information capture, crucial for modern optoelectronic devices. One-dimensional (1D) materials with intrinsic anisotropy, capable of directly sensing polarized light, are promising for such ...
Huahu Luo   +7 more
doaj   +1 more source

A Highly Sensitive and Flexible Capacitive Pressure Sensor Based on Alignment Airgap Dielectric

open access: yesSensors, 2022
Flexible capacitive pressure sensors with a simple structure and low power consumption are attracting attention, owing to their wide range of applications in wearable electronic devices.
Soo-Wan Kim   +6 more
doaj   +1 more source

An active wearable dual-band antenna for GPS and Iridium satellite phone deployed in a rescue worker garment [PDF]

open access: yes, 2013
An active wearable dual-band circularly polarized microstrip patch antenna for Global Positioning System and Iridium satellite phone applications is presented. It is constructed using flexible foam and fabric substrates, combined with copper-on-polyimide
Declercq, Frederick   +2 more
core   +1 more source

Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release

open access: yesAdvanced Engineering Materials, EarlyView.
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro   +3 more
wiley   +1 more source

Quantum metric third-order nonlinear Hall effect in a non-centrosymmetric ferromagnet

open access: yesNature Communications
Berry curvature in the imaginary part of quantum geometry has been confirmed to play a role in the nonlinear Hall effect of Weyl semimetals. However, exploration of the influence of the real component of the quantum geometry, the quantum metrics, on ...
Hao Yu   +6 more
doaj   +1 more source

Quantum solution for secure information transmission of wearable devices

open access: yesInternational Journal of Distributed Sensor Networks, 2018
Currently, wearable devices are developing prosperously in the fields of global communication electronic products and personal intelligent terminals, but their information security problem cannot be ignored.
Xiaojun Wen   +5 more
doaj   +1 more source

Developing of the smart textile for energy expenditure monitoring [PDF]

open access: yes, 2019
Peer ReviewedPostprint (published ...
Boqué, N   +2 more
core  

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