The Event Horizon User Interface Model for Small Devices

Authors:
Antero Taivalsaari
Affiliations:
-
Venue:
The Event Horizon User Interface Model for Small Devices
Year:
1999

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Abstract

One of the scarcest resources in today's computing devices isscreen space. This is particularly evident in the emergingpocket-sized devices such as PDAs, cellular tele- and dataphones,two-way pagers and wireless web browsers. In this paper, weintroduce a new approach, called the event horizon userinterface model that allows us to overcome some of the limitations.The key idea of the proposed model is that the display can becompressed and expanded by moving objects radially farther away orcloser to an event horizon in the middle of the screen. In order tostudy the proposed model in detail, we have built an implementationcalled Radius for the PalmTM connected organizer.The current Radius implementation will be illustrated and somefuture directions outlined.