Immersion supplies components and technology for giving touchscreens tactile Feedback capability, allowing you to differentiate your touchscreen products in an exciting new way.

This offering supplies fast touchscreen response synchronized with sound and graphical image changes and does not affect touchscreen performance. The tactile feedback system can be added to flat touchscreen sizes ranging from 2 to 19 inches or greater, and applied to all types of touchscreens including capacitive, resistive, surface acoustic wave, and infrared.

You'll find some examples here and ideas here.

The technology is licensed by the german carmaker Volkswagen.