TOUCH DISPLAY APPARATUS
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United States of America Patent
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app pub date -
Jul 3, 2012
filing date -
Oct 7, 2011
priority date (Note) -
Abandoned
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Abstract
A touch display apparatus including a first projecting screen and a projection apparatus is provided. The first projecting screen has a first curved surface. The first curved surface is capable of receiving a touch input instruction and has at least one tactile sense identify region. A sense of touch of the tactile sense identify region is different from a sense of touch of the other regions of the first curved surface. The projection apparatus is capable of projecting a projecting beam toward the first curved surface so as to form an image.
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