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[171] Citation: G. Lee, B. Hannaford,
'Anisotropies of Touch in Haptic Icon Exploration,'
IEEE/RSJ International Conference on Intelligent Robots and Systems, Las Vegas, October 2003.
Abstract
Handheld devices are enhancing many aspects of our lives. As
increasingly complex devices appear with decreasing form factors,
haptics may become an essential tool for interacting with them. In
this regime of operation, issues of power, weight and volume are of
significant importance. The haptic thresholds of the index finger for
active exploration of a two dimensional virtual environment for two
icon alignments and two finger motions were measured. Using all
possible combinations of two finger motions, flexion/extension and
finger abduction/adduction, and two icon alignments, vertical and
horizontal, were measured separately. Haptic thresholds ranged from
15 to 24 milliNewtons. Thresholds were affected by finger motion, but
not by icon alignment.
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Updated: Tue Aug 19 09:16:09 2008
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