DEVICE AND METHOD FOR EYES-FREE OPERATION OF TOUCH SURFACE
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United States of America Patent
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Issued Date -
Apr 24, 2014
app pub date -
Mar 18, 2013
filing date -
Oct 19, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tactile positioning device includes a film attached to a touch surface of a portable electronic device. The film includes at least a first tactile unit used as a positioning reference point of a key on the touch surface, and at least a second tactile unit being a linear tactile unit for defining an operating route or an operating range. The tactile feedbacks provided by the first tactile unit and the second tactile unit enable a user to sense a position of the key which is positioned by the first tactile unit and the operating route or the operating range defined by the second tactile unit, so as to operate the portable electronic device without having to look at the touch surface.
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