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Title
Japanese: 
English:Lightweight Wearable Fingertip Haptic Device with Tangential Force Feedback based on Finger Nail Stimulation 
Author
Japanese: XUYunxiu, 長谷川晶一.  
English: Yunxiu Xu, Shoichi Hasegawa.  
Language English 
Journal/Book name
Japanese: 
English: 
Volume, Number, Page         Booth ID: 1207
Published date Mar. 2025 
Publisher
Japanese: 
English: 
Conference name
Japanese:The 32nd IEEE Conference 
English: 
Conference site
Japanese:サン・モロ 
English:Saint-Malo 
Official URL https://ieeevr.org/2025/
 
Abstract We introduce a lightweight wearable haptic device providing tangential force feedback through fingernail stimulation. The device uses a ring structure on the fingernail with three miniature motors: two for string-based feedback and one with an arc-shaped pin. The design maintains finger pad sensitivity by placing actuators on the nail side while delivering 2-DOF force feedback. Weighing 5.24g, the device generates nine force patterns by combining string tension and pin pressure. User studies evaluated direction discrimination and perception of weights and friction coefficients.

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