Touchscreen Surface Based on Interaction of Ultrasonic Guided Waves With a Contact Impedance
In this paper, a touchscreen device is proposed, based on guided-wave reflection and transmission induced by the presence of an object. The principle uses the advantages of other acoustic wave devices in terms of simplicity and applicability to any thin surface but is not subject to classical drawba...
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| Veröffentlicht in: | IEEE sensors journal 2016-05, Vol.16 (10), p.3564-3571 |
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| creator | Quaegebeur, Nicolas Masson, Patrice Beaudet, Nicolas Sarret, Philippe |
| description | In this paper, a touchscreen device is proposed, based on guided-wave reflection and transmission induced by the presence of an object. The principle uses the advantages of other acoustic wave devices in terms of simplicity and applicability to any thin surface but is not subject to classical drawbacks (single touch, sensitivity to scratches or contaminant, and impossibility to follow motion of contact point). The theoretical interaction of guided waves with contact impedance is first derived in order to define the requirements of the sensor in terms of frequency range, mode, sensor type and location, and embedded electronics. Design criteria and experimental validation on a small prototype (200 × 250 mm) are proposed to demonstrate the potential of the approach for simple, robust, and reliable contact detection of pointlike or extended objects for consumer electronics or biomedical applications. |
| doi_str_mv | 10.1109/JSEN.2016.2535386 |
| format | Article |
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Design criteria and experimental validation on a small prototype (200 × 250 mm) are proposed to demonstrate the potential of the approach for simple, robust, and reliable contact detection of pointlike or extended objects for consumer electronics or biomedical applications.</description><subject>Acoustics</subject><subject>Contact pressure</subject><subject>guided waves</subject><subject>Impedance</subject><subject>multipoint</subject><subject>piezoceramics</subject><subject>Receivers</subject><subject>Sensors</subject><subject>Surface impedance</subject><subject>Surface waves</subject><subject>touchscreen device</subject><subject>ultrasound</subject><subject>Zinc</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwEPG_N5GOTPWrRWil6aEs9CCHNJnRLu6nJruC_d5cWT_PCPO8MPAjdAhkBkOLhbf78PqIE8hEVTDCVn6EBCKEykFyd95mRjDP5eYmuUtoSAoUUcoC-FqG1m2SjczWet9Eb6_CTSa7EocbTunHR2KbqcvB4uWuiSaGuLJ60VdkxK_PjEl5VzQYbPA5108F4uj-40tTWXaMLb3bJ3ZzmEC1fnhfj12z2MZmOH2eZpQVrMmYkywslcqbWue0C4cwqxRlIJ3NvLedeEAtEUlUIv-ZWiG5FPRVQCgZsiO6Pdw8xfLcuNXob2lh3LzVIJQEKQnsKjpSNIaXovD7Eam_irwaie4m6l6h7ifoksevcHTuVc-6fl5xCwST7A-rVbAw</recordid><startdate>20160515</startdate><enddate>20160515</enddate><creator>Quaegebeur, Nicolas</creator><creator>Masson, Patrice</creator><creator>Beaudet, Nicolas</creator><creator>Sarret, Philippe</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE sensors journal, 2016-05, Vol.16 (10), p.3564-3571 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acoustics Contact pressure guided waves Impedance multipoint piezoceramics Receivers Sensors Surface impedance Surface waves touchscreen device ultrasound Zinc |
| title | Touchscreen Surface Based on Interaction of Ultrasonic Guided Waves With a Contact Impedance |
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