DEVICE FOR LOCATING AN IMPACT AGAINST AN INTERACTIVE SURFACE, CORRESPONDING METHOD AND COMPUTER PROGRAM
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United States of America Patent
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Issued Date -
Sep 19, 2019
app pub date -
Oct 6, 2017
filing date -
Oct 10, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A device for locating an impact against an interactive surface comprises M transducers distributed against the interactive surface, M≥4, and an electronic central unit programmed to locate the impact by analysing time differences of propagation of progressive mechanical waves from the impact to the transducers on the basis of instants of impact detection identified in the electrical signals supplied by the transducers. The electronic central unit is programmed to select, among the M transducers, a subset of N transducers, 3≤N
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