The Study of FingerNail Sensors for Measuring Finger Forces and Bending

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  • Nomura Yoshikuni
    Graduate School of Interdisciplinary Information Studies, Tokyo University
  • Maeda Taro
    Interfaculty Initiative in Information Studies, Tokyo University

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  • 爪センサーを用いた指の接触及び屈曲検出の研究
  • ツメ センサー オ モチイタ ユビ ノ セッショク オヨビ クッキョク ケンシュツ ノ ケンキュウ

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Description

A new touch sensor is presented. This can also detect finger bending. This sensor is mounted on the fingernail and measures changes of nail color for detecting a finger touch force and bending. So, this sensor can detect these finger states without obstructing the human's natural haptic senses. We make prototype fingernail sensors by using light emitting diode and phototransistor, and test the utility and limit of measurement. We intend to use this sensor in daily life. Therefore, sensors must not disturb us. At first we use simple setting, and get some data. It suggests, what composition is suitable to get enough performance and pleasantness.

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