PhotoelasticTouch: transparent rubbery interface using a LCD and photoelasticity

Authors:
Toshiki Sato;Haruko Mamiya;Taro Tokui;Hideki Koike;Kentaro Fukuchi
Affiliations:
The University of Electro-Communications;The University of Electro-Communications;The University of Electro-Communications;The University of Electro-Communications;Japan Science and Technology Agency
Venue:
ACM SIGGRAPH 2009 Emerging Technologies
Year:
2009

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Abstract

PhotoelasticTouch is a tabletop system designed to intuitively facilitate touch-based interaction via real objects made from transparent elastic material. The transparent elastic material (transparent rubber) provides a realistic haptic interface, which when combined with the visual content displayed on the LCD tabletop, enables a balanced coupling of the physical world and digital content. The system utilizes the photo-elastic properties of the transparent rubber to recognize when a user pushes, pulls or pinches the object, while the LCD provides the appropriate visual feedback in accordance to the stress applied to the elastic material.