Apparatus and method for reporting tie events in a system that responds to multiple touches
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United States of America Patent
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Issued Date -
May 17, 2007
app pub date -
Nov 15, 2005
filing date -
Nov 15, 2005
priority date (Note) -
Abandoned
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Abstract
Method and apparatus for detecting multiple touch events on a touchscreen system and determining the occurrence of tie events. The system comprises a touchscreen, a touchscreen controller and a microprocessor. The touchscreen comprises a touch surface for receiving touch events. Each of the touch events occurs at a discrete location on the touch surface defined by coordinates. The touchscreen controller monitors the touch surface for the touch events. The microprocessor compares the touch events and determines a tie occurrence when the touch events occur within a predetermined time of one another.
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