Information transfer using wearable thin electrotactile displays with microneedle electrodes

Tactile sensation is considered as a promising information transfer tool that can replace or compensate for sight and hearing information. In this study, we developed a sheet-type electrotactile display with microneedle electrodes. This flexible and thin display is suitable for wearable applications...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2016-06, Vol.55 (6S1), p.6-06GP15
Main Authors: Tezuka, Mayuko, Kitamura, Norihide, Miki, Norihisa
Format: Article
Language:English
Subjects:
Displays
Electrodes
Forearm
Hearing
Information transfer
Needles
Tactile
Wearable
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Summary:Tactile sensation is considered as a promising information transfer tool that can replace or compensate for sight and hearing information. In this study, we developed a sheet-type electrotactile display with microneedle electrodes. This flexible and thin display is suitable for wearable applications. It can present tactile sensation to the skin at a low voltage by penetrating the stratum corneum with microneedles. As a proof-of-concept experiment of transferring information via tactile sensation, we first tried to convey signals of two patterns using a single display. Next, we attempted to use multiple displays and experimentally investigated the spatial resolution of the tactile sensation on the forearm. Finally, 3-bit information was successfully transferred by three devices attached to the forearm.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.55.06GP15