EAVESDROPPING RESISTANT TOUCHSCREEN SYSTEM
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jun 16, 2011
filing date -
Jun 16, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An eavesdropping-resistant touchscreen system suitable for use by visually impaired users, the system including a visual eavesdropping-resistant security layer for restricting viewability of visually sensible indicia to within a relatively narrow limited field of view and a tactile layer providing a plurality of preferably selectably actuable tactile indicia at least one of which is associated with the visually sensible indicia.
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