Systems and methods providing tactile guidance using sensory supplementation
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United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Apr 29, 1999
filing date -
Apr 29, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tactile guidance system and method provides a user with navigational assistance through continuous background communication. This continuous background communication is realized through tactile cueing. By making the direction giving through tactile cues, a user's main attention can focus on visual and auditory cues in the real world, instead of focusing on the direction giving device itself. An electronic compass maintains the orientation of a user. A navigation state is maintained as a combination of orientation, location and destination. A guidance server provides a mapping from a user's current location to directions to a desired destination. Communication links maintain communication between the tactile direction device and the guidance server. The compass, tactile direction device, communication links and guidance server all interact to provide direction information to a user via a tactile surface. The tactile direction device is small enough to be hand-held or incorporated, for example, into a briefcase handle.
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Cited Art Landscape
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