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The smart hair is the basic component of the hairlytop interface, which is a visual/haptic interface patterned with smart hair. The hair is composed of shape memory alloy(s), drive circuit(s), and light sensor(s) capable of controlling their bending. The bending of each smart hair is controlled through the intensity of light from below. The high flexibility in its configuration and unique motion enables us to construct various types of interface. In this paper, we describe details about several prototypes of the hairlytop interface. In addition, we also report experimental results from an evaluation of the accuracy in flex-control of the smart hairs.

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No abstract

The Hairlytop Interface is a high scalability interface composed of hair-like units called smart hairs. The original version of the smart hair comprised a shape-memory alloy, drive circuits, and a light sensor. Simply placing the smart hair above a light display device enabled each smart hair to be bent and controlled by modulating the intensity of light from the display. Various prototypes of the Hairlytop Interface have been created to show its high flexibility in configuration. This flexibility should help users to develop their own moving interfaces.