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Jeffrey R. Hightower

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Publications by Jeffrey R. Hightower (bibliography)

2010

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Gupta, Sidhant, Campbell, Tim, Hightower, Jeffrey R. and Patel, Shwetak N. (2010): SqueezeBlock: using virtual springs in mobile devices for eyes-free interaction. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 101-104.

“Haptic feedback provides an additional interaction channel when auditory and visual feedback may not be appropriate. We present a novel haptic feedback system that changes its elasticity to convey information for eyes-free interaction. SqueezeBlock is an electro-mechanical system that can realize a virtual spring having a programmatically controlled spring constant. It also allows for additional haptic modalities by altering the Hooke's Law linear-elastic force-displacement equation, such as non-linear springs, size changes, and spring length (range of motion) variations. This ability to program arbitrarily spring constants also allows for "click" and button-like feedback. We present several potential applications along with results from a study showing how well participants can distinguish between several levels of stiffness, size, and range of motion. We conclude with implications for interaction design.”

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