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Lateral Touch and Frictional Vibrations of Human Fingerprints

François Martinot 1 Patricia Plénacoste 1 Christophe Chaillou 1
1 ALCOVE - Collaborative interactive virtual environment
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe
Abstract : In this report, we experimentally show that human fingerprints play a significant role in the lateral touch vibratory mechanisms and that direction of movement results in differ-ent dynamic strains on the pulp. Sources that generate sound at the interface are first empiri-cally identified and a spherical model of the index finger is proposed to forecast the radiated fields. Then, haptic sounds are recorded using a miniature microphone placed in the near field. Results are compared with vibrometric measurements carried out in quite similar conditions to assess of the results relevance. Results show that fingerprints can?t be neglected in the tri-bologic interaction. Finally, this research provide a useful information for tactile displays de-signers and offers future investigations perspectives in many research fields linked with the haptic science.
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Submitted on : Friday, May 19, 2006 - 8:17:06 PM
Last modification on : Wednesday, February 23, 2022 - 11:54:01 AM
Long-term archiving on: : Sunday, April 4, 2010 - 9:03:20 PM


  • HAL Id : inria-00070367, version 1



François Martinot, Patricia Plénacoste, Christophe Chaillou. Lateral Touch and Frictional Vibrations of Human Fingerprints. [Research Report] RR-5640, INRIA. 2005, pp.16. ⟨inria-00070367⟩



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