State Change Device And System For The Tactile Display of Information
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
May 1, 2015
filing date -
May 2, 2014
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Abstract
A state change device and system for the tactile display of information is disclosed. The state change device uses a novel pin and driving coil arrangement combined with a bistable plate to create a high state and a low state where the pin either protrudes from a surface or is recessed below the surface. The state change device may be combined with other similar devices to create a Braille character and may be further combined to create a Braille reader where transient information is displayed on the Braille reader from a computing device or processor. The state change device makes possible low cost Braille displays that are reliable, compact, quickly refreshable and with more characters than current Braille displays, thus providing new life and opportunity for both the Braille alphabet and those that require the use of such.
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