Publications related to Keyboard technology

Morphological and Material Programability of a Hall-Effect Based Soft Tactile Sensors

Josephine Anna Eleanor Hughes, Sudong Lee

The different receptors in human skin show not only diversity in the stimuli to which they respond, but also variable sensitivity and directionality. This is often determined by their location or morphology, and can play an important role in filtering or a ...

IEEE2024

Fluid-actuated haptic device and methods for using thereof

Jamie Paik, Zhenishbek Zhakypov

A haptic device is disclosed comprising at least one fluidic actuator operatively connectable with pumping means; and a plurality of movable members mechanically connected with said at least one fluidic actuator, wherein said movable members can perform a ...

2021

Elongated microstructured capacitive sensor

Véronique Michaud, Fabien Sorin, William Nicolas Duncan Esposito, Baris Çaglar, Dang Tùng Nguyen, Chaoqun Dong

The present invention concerns an elongated capacitive sensor (1) for fluid monitoring. The sensor (1) comprising: a fibre support (5) made of a dielectric material or dielectric composite material; and a first electrode (7, 9) and a second electrode (7, 9 ...

2021

Ultrasoft Liquid Metal Elastomer Foams with Positive and Negative Piezopermittivity for Tactile Sensing

Yegor Piskarev, Yang Li, Michael Dickey, Jianhang Yang

Soft, capacitive tactile (pressure) sensors are important for applications including human-machine interfaces, soft robots, and electronic skins. Such capacitors consist of two electrodes separated by a soft dielectric. Pressing the capacitor brings the el ...

WILEY-V C H VERLAG GMBH2020

Multisensory haptic system and method

Olaf Blanke, Giulio Rognini, Simon Gallo

A computer-implemented method for operating a haptic device, the haptic device comprising a plurality of tactile displays configured to provide haptic stimuli to a user, the method including the steps of (a) processing an audio signal derived from an audio ...

2020

Fully Fdm 3D Printed Flexible Capacitive And Resistive Transducers

Danick Briand, Ryan Mitchell van Dommelen, Xavier Aeby

This work shows the feasibility of fully Fused-Deposition-Modeling (FDM) printed capacitive and resistive transducers, processed in a single tool. It enables their cost-effective processing and provides a simple approach for sensors manufacturing in 3D pri ...

IEEE2019

Motor response specificity in perceptual learning and its release by double training

Michael Herzog, Aline Françoise Cretenoud, Lukasz Grzeczkowski, Fred Mast

Perceptual learning is usually feature-specific. Recently, we showed that perceptual learning is even specific for the motor response type. In a three-line bisection task, participants indicated whether the central line was offset either to the left or rig ...

2019

HRI usability evaluation of interaction modes for a teleoperated agricultural robotic sprayer

Thanasis Hadzilacos

Teleoperation of an agricultural robotic system requires effective and efficient human-robot interaction. This paper investigates the usability of different interaction modes for agricultural robot teleoperation. Specifically, we examined the overall influ ...

Elsevier Sci Ltd2017

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Mikhail Asiatici, Göran Stemme

High-temperature-resistant inertial sensors are increasingly requested in a variety of fields such as aerospace, automotive and energy. Capacitive detection is especially suitable for sensing at high temperatures due to its low intrinsic temperature depend ...

Elsevier Science Sa2016

Elastomeric Electronic Skin for Prosthetic Tactile Sensation

Stéphanie Lacour, Hadrien Olivier Michaud, Aaron Powers Gerratt

This report demonstrates a wearable elastomer-based electronic skin including resistive sensors for monitoring fi nger articulation and capacitive tactile pressure sensors that register distributed pressure along the entire length of the fi nger. Pressure ...

Wiley-Blackwell2015

Printed capacitive sensing device

Nico de Rooij, Danick Briand

Capacitive-based sensing device comprising an organic substrate, a sensing layer and two printed/additively deposited planar electrodes, said sensing layer being separated from the substrate by at least one separating layer. ...

2014

Self-sensing of linear short-stroke actuators for multi-finger haptic interfaces using induced high frequency oscillations

Yves Perriard, Grégory Savioz

With the aim of providing a new touch sensation to the user, the design of innovative multi-finger haptic devices passes through the research for efficient and low-cost methods for position sensing. This paper thus addresses a novel self-sensing method for ...

IEEE2012

An Accelerated Stress Test Method for Electrostatically Driven MEMS Devices

Jinyu Jason Ruan

This paper addresses an innovative solution to develop a circuit to perform accelerated stress tests of capacitive microelectromechanical-system (MEMS) switches and shows the use of instruments and equipment to monitor physical aging phenomena. A dedicated ...

Institute of Electrical and Electronics Engineers2012

Nano-Electro-Mechanical Switches Based on Carbon Nanotubes Arrays

Donatello Acquaviva

In the last forty years the semiconductor industry focused on the downscaling process of the CMOS (Complementary Metal-Oxide-Semiconductor) technology, trying to follow as much as possible the empirical Moore's Law. In the last five years this trend has be ...

EPFL2010

Gas Sensors on Plastic Foil with Reduced Power Consumption for Wireless Applications

Jérôme Courbat

Recently, there is a growing interest in developing so-called "smart" RFID tags for logistic applications. These smart tags incorporate sensing devices to monitor environmental parameters such as humidity and temperature throughout the supply chain. To ful ...

EPFL2010

Compromising Electromagnetic Emanations of Wired and Wireless Keyboards

Martin Vuagnoux, Sylvain Pasini

Computer keyboards are often used to transmit confidential data such as passwords. Since they contain electronic components, keyboards eventually emit electromagnetic waves. These emanations could reveal sensitive information such as keystrokes. The techni ...

USENIX Association2009

A Virtual Keyboard System based on Multi-Level Feature Matching

Edoardo Charbon, Huan Du

In this paper a Multi-Level Feature Matching (MLFM) method is presented for 3D hand posture reconstruction of a virtual keyboard system. The human hand is modeled with a mixture of different levels of detail, from skeletal to polygonal surface representati ...

2008

How to move from perception to design: application to keystroke sound

Hervé Lissek, Romain Boulandet

Nowadays, customers have legitimate requirements as regards quality that marketing and consumers departments attempt to satisfy. The sound is well-known to enhance or detract from our pleasure in possessing or using a product. Sound quality engineering is ...

2008

Factoring end-user expectations into the sound design process of computer keyboards

Hervé Lissek, Romain Boulandet

The poor acoustic comfort of usual commercial products is often perceived as annoying. Today, more and more companies have realized that sound can be an important component of product attributes and image. They are interested in having acoustic guidelines ...

2008