Method and Apparatus for Adapting Operation of a Device to Touch-Sensor Malfunctions

Abstract: an apparatus () and method () disclosed herein embody techniques for adapting read operations with respect to a touch sensor (), to avoid or mitigate touch-detection problems arising from inoperative sensing lines () used to detect touch inputs to a touch surface () of the touch sensor (). a particular advantage is that the avoidance or mitigation techniques address instances of touch sensor malfunctioning that involve isolated instances of sensing-line malfunctions. a further advantage is that the technique allows for continued “normal” organization, sizing, and placement of user-interface elements displayed on the touch surface ()—e.g., a touchscreen display surface—because the technique provides for touch detection in regions of the touch surface () affected by inoperative sensing lines (), at least in cases where an inoperative sensing line () is bounded by operative sensing lines ().

Inventor(s): Andreas Kristensson, Alexander Hunt, Mohammed Zourob

CPC Classification: G06F3/0418 (Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means)

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