SYSTEM AND METHOD FOR A POWER SUSTAINABILITY KEYBOARD WITH PIEZOELECTRIC ENERGY HARVESTER DEVICE
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 27, 2023
filing date -
Sep 27, 2023
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Abstract
A wireless keyboard operatively coupled to an information handling system includes a wireless keyboard microcontroller and a wireless keyboard PMU to provide power to the wireless keyboard microcontroller and the wireless keyboard PMU operatively coupled to a battery and an ultracapacitor. The wireless keyboard further including a piezoelectric energy harvester device operatively coupled to the wireless keyboard PMU and placed under a first key formed on the wireless keyboard to charge the ultracapacitor when the key is actuated and a keyboard actuation/engagement agent to, when executed by the wireless keyboard microcontroller, determine the wireless keyboard enters a standby mode and with the wireless keyboard PMU switch a power source to the ultracapacitor when in standby mode.
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