RESISTIVE TOUCH APPARATUS
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United States of America Patent
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Issued Date -
Jun 30, 2011
app pub date -
Dec 28, 2010
filing date -
Dec 31, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The subject matter discloses an apparatus, comprising a first resistive sheet and a second resistive sheet disposed in proximity to the first resistive sheet, such that pressure applied at a first touch point and at a second touch point on the first resistive sheet causes flow of electrical current between the first resistive sheet and the second resistive sheet. The apparatus further comprises a control unit coupled to a first terminal and to a second terminal, and configured to measure a first resistance between the first terminal and the second terminal; and configured to estimate a distance between the first touch point and the second touch point. The apparatus further estimates the location of the first touch point and the second touch point.
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