AN IMPROVED ACOUSTIC TOUCH APPARATUS

An improved acoustic touch apparatus that has a logo or application icon applied on the back surface of a propagating substrate which can be viewed through the substrate and an acoustic element situated adjacent the logo or application icon that can compensate for phase velocity shifts of surface ac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BERGET, DAMIEN, KENT, JOEL C, SCHARFF, DANIEL H
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:An improved acoustic touch apparatus that has a logo or application icon applied on the back surface of a propagating substrate which can be viewed through the substrate and an acoustic element situated adjacent the logo or application icon that can compensate for phase velocity shifts of surface acoustic waves in propagating over the logo or application icon.