DIFFERENTIAL SENSING IN AN ACTIVE STYLUS
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United States of America
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Issued Date -
Jun 30, 2022
app pub date -
Mar 18, 2022
filing date -
Mar 18, 2022
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Abstract
In one embodiment, a stylus receives a first signal from a first electrode of the stylus, the stylus being operable to communicate wirelessly with a device through a touch sensor of the device; receives a second signal from a second electrode of the stylus, the second signal being a reference signal and the second electrode being a reference electrode; and compares the first signal with the second signal.
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