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Event Horizon User Interface Model for Small Devices, The
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Author(s):
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Antero Taivalsaari
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Report Number:
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Date Published:
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Available Formats:
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TR-99-74
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March 1999
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Portable Document Format (PDF)
Postscript (PS)
Request Hard Copy
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| Abstract |
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One of the scarcest resources in today's computing devices is screen space. This is particularly
evident in the emerging pocket-sized devices such as PDAs, cellular tele- and dataphones,
two-way pagers and wireless web browsers. In this paper, we introduce a new approach, called
the event horizon user interface model that allows us to overcome some of the limitations.
The key idea of the proposed model is that the display can be compressed and expanded by moving
objects radially farther away or closer to an event horizon in the middle of the screen. In order
to study the proposed model in detail, we have built an implementation called Radius for the PalmTM
connected organizer. The current Radius implementation will be illustrated and some future
directions outlined.
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