MODULATED BACK PLATE FOR CAPACITIVE SENSING

Embodiments described herein include an input device comprising a display device having an integrated capacitive sensing device, a processing system, and a method for detecting presence of an input object. In each of these embodiments, a modulation source provides modulation signals between a back p...

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Bibliographic Details
Main Author SMALL JEFFREY A
Format Patent
LanguageEnglish
Published 02.04.2015
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Embodiments described herein include an input device comprising a display device having an integrated capacitive sensing device, a processing system, and a method for detecting presence of an input object. In each of these embodiments, a modulation source provides modulation signals between a back plate and a system ground of the input device. Other embodiments include a display device having a capacitive sensing device, a processing system and a method for detecting presence of an input object using a capacitive sensing device, wherein the capacitive sensing device includes a matrix of discrete sensor electrodes.
Bibliography:Application Number: US201314145724