Transmits 12-bit digital RFID from shoe to vicinity every 3-5 steps
Enables smart building to track occupant location
In demo, one sneaker uses PZT (activates via pressure)
and the other uses PVDF (activates via bending)
No Need for any Battery!
All Power scavenged unbotrusively via walking
Parasitic Power Harvesting in Shoes John Kymisis, Clyde Kendall, Joseph Paradiso, and Neil Gershenfeld. To be presented at the Second IEEE International Conference on Wearable Computing (ISWC), October 1998.