A portable piezoelectric tactile terminal for Braille readers

Authors:
Ramiro Velázquez;Hermes Hernández;Enrique Preza
Affiliations:
Mecatrónica y Control de Sistemas Universidad Panamericana, Aguascalientes, Mexico;Mecatrónica y Control de Sistemas Universidad Panamericana, Aguascalientes, Mexico;Mecatrónica y Control de Sistemas Universidad Panamericana, Aguascalientes, Mexico
Venue:
Applied Bionics and Biomechanics - Assistive and Rehabilitation Robotics II
Year:
2012

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Abstract

This paper introduces a novel concept on reading assistive technologies for the blind: the TactoBook, a system that is able to translate entire electronic books eBooks to Braille code and to reproduce them in portable electronic Braille terminals. The TactoBook consists of a computer-based translator that converts fast and automatically any eBook into Braille. The Braille version of the eBook is then encrypted as a file and stored in a USB memory drive which is later inserted and reproduced in a compact, lightweight, and highly-portable tactile terminal. In particular, this paper presents a piezoelectric ultrasonic actuation approach to design and implement such portable Braille terminal. Actuating mechanism, design concept, first prototype, and performance results are presented and discussed.