Vibration touch technology from 3M

By liam noonan on May 28, 2004 11:53 AM |

EE Times UK - 3M unveils vibration touch technology

SEATTLE — 3M Touch Systems Inc. unveiled a new "touch" technology here called dispersive signal technology during the Society for Information Display conference.
Dispersive signal technology, developed with NXT Plc (London), recognizes touch through vibrations to a substrate. Common touch technologies recognize touch on the surface of a display by the interruption of electrical fields, acoustic waves or infrared light.

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