A thermal information display for mobile applications

Authors:
Reto Wettach;Christian Behrens;Adam Danielsson;Thomas Ness
Affiliations:
Potsdam University of Applied Sciences, Potsdam, Germany;Potsdam University of Applied Sciences, Potsdam, Germany;Malmö University, Malmö, Sweden;Potsdam University of Applied Sciences, Potsdam, Germany
Venue:
Proceedings of the 9th international conference on Human computer interaction with mobile devices and services
Year:
2007

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Abstract

In this paper, we investigate possibilities and limitations of temperature change as a method for information display in mobile applications. While some widespread and well-recognized haptic displays such as force-feedback often trigger the user's immediate attention, we will focus on ambient strategies for tactile information display, that is, the display of gradual state changes in the user's periphery that do not unexpectedly interrupt her current tasks, but builds on the mind's ability for subliminal perception of environmental change instead [1, 2]. To this end, we present a series of prototypes of mobile devices that display ambient information by means of thermal change based on the thermo-electric effect [3]. In order to assess the expedience and feasibility of such a display, a series of user tests have been conducted with respect to both, the ability for thermal change recognition and a concrete application scenario for such a display.