Human feedback using parasitic power harvesting of RFID tags
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United States of America Patent
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Sep 8, 2009
Grant Date -
Mar 1, 2007
app pub date -
Aug 15, 2006
filing date -
Sep 1, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is directed toward secure access systems. Specifically, a radio frequency (RF) enabled device is provided that includes an RF powered human feedback element. An interrogator emitting an RF field may control the human feedback element through the RF field such that information may be transmitted from the interrogator to the device.
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