Invention Grant
US09183419B2 Passive RFID assisted active RFID tag 有权
被动RFID辅助有源RFID标签

Passive RFID assisted active RFID tag
Abstract:
A radiofrequency identification (RFID) device includes an active RFID tag that includes a power source and a passive RFID tag reader, the passive RFID tag reader electrically coupled to the power source of the active RFID tag.
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