Acoustic touch position sensor using a low-loss transparent...

Details Acoustic touch position sensor using a low-loss transparent... Acoustic touch position sensor using a low-loss transparent...

H - Electricity

03

K

H03K 17/96 (2006.01)

Patent

CA 2207969

A touch position sensor or "touchscreen" (16) utilizes acoustic waves within a sensor substrate (32) to determine the position of touch. The substrate (32) is made of a transparent material, such as borosilicate or barium glass, which exhibits substantially less acoustic absorbtion than soda-lime glass.

Capteur de position du toucher ou «écran tactile» (16) utilisant des ondes sonores au sein d'un substrat capteur (32) pour déterminer la position du toucher. Le substrat (32) est fait d'un matériau transparent, tel qu'un verre borosilicaté ou de baryum, qui possède une absorption sonore sensiblement moins importante que le verre sodocalcique.

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