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EAVESDROPPING RESISTANT TOUCHSCREEN SYSTEM
EAVESDROPPING RESISTANT TOUCHSCREEN SYSTEM
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机译:防偷拍触摸屏系统
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摘要
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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