A Compact Electro-tactile System for Braille Display

Po Hsun Chu*, Hai Yin Chen, Lin Chou, Yu Ching Chen, Kun Ju Tsai, Yu Te Liao

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Tactile displays have gained significant attention, particularly in the medical field for their application in Braille for the visually impaired. Traditional Braille embossing systems face limitations in terms of device size and complexity due to mechanical stimulation. Therefore, electro-tactile displays have emerged as a promising solution for implementing Braille. Our study presents a compact electro-tactile device with built-in electrodes, which is used to determine optimized stimulation parameters. We conducted tests on both polarity and intensity, culminating in a Braille number examination using 0.8mA, 1ms anodal stimulation. The results showed an average accuracy of 64.3% in seven participants, and three of them achieved over 90%.

Original languageEnglish
Title of host publication46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2024 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350371499
DOIs
StatePublished - 2024
Event46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2024 - Orlando, United States
Duration: 15 Jul 202419 Jul 2024

Publication series

NameProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
ISSN (Print)1557-170X

Conference

Conference46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2024
Country/TerritoryUnited States
CityOrlando
Period15/07/2419/07/24

Keywords

  • Braille
  • Electro-tactile
  • electrical stimulation

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