MICRO-POWER SYSTEMS
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United States of America Patent
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Issued Date -
Oct 11, 2012
app pub date -
Apr 6, 2012
filing date -
Apr 6, 2011
priority date (Note) -
Abandoned
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Abstract
A micro-power system and a tire pressure monitoring system that includes an energy harvesting module and a computing device are disclosed. In one aspect, the energy harvesting module comprises an energy harvesting unit having a combined vibration energy/RF energy harvester. A single sensing element is used for both vibration energy harvest and for RF communication including RF energy harvesting. Energy harvested is transmitted to power management module which powers components of the energy harvesting module. Data relating to sensor output from the single sensing element is transmitted to a microcontroller and transmitted to a microprocessor unit on the computing device.
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