Excess radio-frequency (RF) power storage and power sharing RF identification (RFID) tags, and related connection systems and methods
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United States of America Patent
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Feb 7, 2017
Grant Date -
Apr 10, 2014
app pub date -
Mar 15, 2013
filing date -
Oct 8, 2012
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Abstract
Excess radio-frequency (RF) power storage and power sharing RF Identification (RFID) tags, and related RFID tag connection systems and methods are disclosed. The excess RF power storage and power sharing RFID tags and related RFID tag connection systems and methods in embodiments disclosed herein allow connected RFID tags to store excess energy derived from excess received RF power in a shared energy storage device. In this manner, an individual RFID tag or a group of connected RFID tags in the RFID tag connection system can continue operation during temporary times when sufficient RF power is not being received from a RFID reader. Sharing stored energy derived from excess received RF power in a shared energy storage device among connected RFID tags in a RFID tag connection system can significantly mitigate problems of RF power interruption.
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