Development of portable braille reading sensor system (detection mechanism and design of plate spring holder)

Hiroyuki Takanashi, Feng Wang, Mami Tanaka, Seiji Chonan, Tetsushi Mimuro

研究成果: Article査読

抄録

This paper presents a plate spring type sensor for reading Braille. A Braille letter is consisted of 6 dots of 3 times 2 arrays. The sensor detects the height of Braille dots via three plate springs and three strain gages. The proposed sensor detects Braille dots with good accuracy because the plate spring contact Braille dots directly. On the other hand, dots may be damaged by the sensor because of the direct contact. The degree of damage and frictional wear are examined experimentally. Furthermore, a prototype sensor holder, which make possible to scan the plate spring on the surface of Braille letter in one hand, is designed. The holder has a ditch in order to avoid deviation from Braille letters. The outline of a sensor holder is described, and the preferable shape and weight of the holder are discussed.

本文言語English
ページ(範囲)2046-2054
ページ数9
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
78
790
DOI
出版ステータスPublished - 2012
外部発表はい

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 産業および生産工学

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