Refreshable braille display system
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United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
Oct 10, 1998
filing date -
Oct 10, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A refreshable Braille display comprising a plurality of Braille dots that extend and retract arranged in Braille characters such that the Braille dots are operable as a personal computer monitor allowing a blind person to discern the information displayed thereon by reading the Braille characters formed by the extended Braille dots. At least one microelectromechanical device operably connects to the Braille dots such that the Braille dots retract and extend based upon the operation of the microelectromechanical device.
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