Power-on-Touch: Powering Actuators, Sensors, and Devices during Interaction (CHI 2025 Live Talk)
Автор: HCintegration
Загружено: 2025-05-19
Просмотров: 184
This video is a talk. If you want to watch this paper's accompanying video, see: • Power-on-Touch: Powering Actuators, Sensor...
Abstract:We introduce Power-on-Touch, a novel method for powering de- vices during interaction. Power-on-Touch comprises two main components: (1) a wearable-transmitter attached to the user’s body (e.g., fingernail, back of the hand, feet) with wireless power-coils and a battery; and (2) receiver-tags embedded in interactive de- vices, making them battery-free. Many devices only require power during interaction (e.g., TV remotes, digital calipers). We lever- age this interactive opportunity by inductively transferring energy from the user’s coil to the device’s coil when in close proximity. To achieve this, we engineered receiver-tags and coils, including thin pancake-coils best-suited for wearables and spherical-coils that receive power omnidirectionally. To understand which coils best support a wide range of interactions (e.g., grasping, touch- ing, hovering), we performed technical characterizations, including impedance and 3D efficiency analysis. We believe our technical approach can inspire ubiquitous computing with new ways to scale up the number and diversity of battery-free devices, not just sensors (𝜇Watts) but also actuators (Watts).
Find out more about this work and read the paper: https://lab.plopes.org/#PowerOnTouch
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