NFC DEVICE POWERED ON IN RESPONSE TO RADIO FREQUENCY SIGNAL, NFC TAG CIRCUIT INCLUDED THEREIN, AND METHOD OF OPERATING THE NFC DEVICE

NFC DEVICE POWERED ON IN RESPONSE TO RADIO FREQUENCY SIGNAL, NFC TAG CIRCUIT INCLUDED THEREIN, AND METHOD OF OPERATING THE NFC DEVICE

Disclosed is an NFC device not having a power button. The NFC device includes a battery including a voltage output terminal from which a battery voltage is output, an internal system including a voltage input terminal and using the battery voltage as an operating voltage, and an NFC tag circuit conf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RYU, Chang Ho, PARK, Kwang Beom, LEE, Pyeong Han, CHUN, Sung Hun, KIM, Sung Wan
Format: Patent
Sprache:eng
Schlagworte:
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSMISSION
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Beschreibung
Zusammenfassung:Disclosed is an NFC device not having a power button. The NFC device includes a battery including a voltage output terminal from which a battery voltage is output, an internal system including a voltage input terminal and using the battery voltage as an operating voltage, and an NFC tag circuit configured to connect the voltage output terminal of the battery and the voltage input terminal of the internal system in response to only a system power-on command included in a system power-on NFC signal that is transmitted by an external NFC device and to maintain the connection between the voltage output terminal of the battery and the voltage input terminal of the internal system in response to the battery voltage.