Device for ambient thermal and vibration energy harvesting
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United States of America Patent
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Jul 18, 2023
Grant Date -
Oct 28, 2021
app pub date -
Apr 22, 2021
filing date -
Apr 22, 2020
priority date (Note) -
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Abstract
An integrated circuit on a chip may include a plurality of capacitors that are connected in series and generate an AC noise signal. A selected bandwidth of the AC noise signal transmits through the series of capacitors as a first AC power signal. Respective rectifiers are positioned for receiving a positive cycle of the first AC power signal and a negative cycle of the first AC power signal. Output terminals are connected to the respective rectifiers and configured for connection to an off chip circuit. The capacitors may be fixed or variable gap capacitors.
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