Determining spectrally shaped waveforms for touch sensing applications and related methods and apparatuses
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United States of America
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Dec 17, 2024
Grant Date -
Apr 7, 2022
app pub date -
Dec 16, 2021
filing date -
Dec 16, 2021
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Abstract
A method for determining a spectrally shaped waveform, and related apparatus, are described. In one or more example, such a spectrally shaped waveform may be for touch sensing. An example of such a method includes: receiving an indication of allowable electromagnetic emissions; choosing radio frequency subcarriers responsive to the indication of allowable electromagnetic emissions; and generating and storing a spectrally shaped time domain digital waveform responsive to the chosen radio frequency subcarriers.
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