Tag selection type optical RFID tag depending on presence or not of visible light

Tag selection type optical RFID tag depending on presence or not of visible light

A tag selection type optical radio frequency identification (RFID) tag depending on presence or not of visible light includes a photodiode configured to convert a visible light-type signal transmitted from a reader into an electrical signal, a tag integrated circuit (IC) configured to read informati...

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Hauptverfasser: Lee, Sangmok, Kang, Yanggi
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator Lee, Sangmok
Kang, Yanggi
description A tag selection type optical radio frequency identification (RFID) tag depending on presence or not of visible light includes a photodiode configured to convert a visible light-type signal transmitted from a reader into an electrical signal, a tag integrated circuit (IC) configured to read information on the visible-light type signal using an analog digital converter (ADC) or comparator connected to the photodiode to receive the electrical signal therefrom, configured to be operated using energy obtained by converting a radio frequency (RF) signal received from the reader, to return a value determined to correspond to information to the reader, and configured to transmit stored data according to a command obtained by demodulating the electrical signal of the photodiode to the reader, and an antenna configured to facilitate reception of the RF signal by the tag IC or to facilitate transmission of the value and the data from the tag IC.
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subjects CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title Tag selection type optical RFID tag depending on presence or not of visible light
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