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Vibration Powered Battery-Assisted Passive RFID Tag

Overview Real-time supply chain management, theft prevention, and environmental monitoring motivate the need for RFID systems. Battery-assisted RFID tags increase read range and reliability; however, batteries offer only a finite lifetime solution. Hence, an experiment in powering a battery-assisted passive RFID tag using ambient vibration energy was conducted. A piezoelectric power generator was designed at a resonant frequency of 52 Hertz, with potential power output of 500 µW. Manipulation of the electric signal from the generator through a power circuit produced 8mW pulses to the tag, resulting in successful communication with the reader.

Further White Paper Details
Publisher	University of California	File Format	PDF
Date Published	September 2005	Downloads	16
Format	White Papers
Topics	N/A

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