Refreshable tactile computer display
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United States of America Patent
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-
Jun 5, 2007
Grant Date -
May 12, 2005
app pub date -
Mar 7, 2002
filing date -
Apr 2, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for refreshable tactile output of information from a computer, includes using a movement actuator to move in unison along a first dimension a plurality of tactile elements that can be touched by a user of the tactile output. Based on data received from a computer processor, a particular tactile element of the plurality of tactile elements is locked with a corresponding lock actuator of a corresponding plurality of lock actuators different from the movement actuator. The method and apparatus allow a low cost, highly reliable movement actuator to be employed that does not substantially exceed the size of the tactile output area.
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