NFC card with indication function

An NFC card with an indication function comprises an NFC coupling coil power supply, an NFC card circuit and a first light-emitting circuit. And the NFC coupling coil power supply is used for generating induction current to supply power to the NFC card circuit and the first light-emitting circuit. T...

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Bibliographic Details
Main Authors LIU TANGMING, JIANG JIAHUI, YIN QI, LIN MUSONG
Format Patent
LanguageChinese
English
Published 23.06.2020
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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