The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Dec. 22, 2023
Applicant:
3a Logics Co., Ltd., Seongnam-si, KR;
Inventors:
Sung Wan Kim, Gwangju-si, KR;
Pyeong Han Lee, Seongnam-si, KR;
Kwang Beom Park, Seongnam-si, KR;
Sung Hun Chun, Gunpo-si, KR;
Chang Ho Ryu, Seongnam-si, KR;
Assignee:
3A LOGICS Co., LTD., Seongnam-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01); G05F 1/56 (2006.01); G06K 19/07 (2006.01); H04B 5/73 (2024.01); H04B 5/79 (2024.01);
U.S. Cl.
CPC ...
G06K 7/10297 (2013.01); G05F 1/56 (2013.01); G06K 19/0723 (2013.01); H04B 5/73 (2024.01); H04B 5/79 (2024.01);
Abstract
A near field communication (NFC) device includes a DC power supply configured to output a DC voltage, an NFC interface configured to generate a control signal in response to an NFC signal, and a voltage supply control circuit configured to supply the DC voltage to an electronic circuit in response to the control signal and maintain supply of the DC voltage to the electronic circuit in response to a voltage maintaining signal generated by the electronic circuit powered on by the DC voltage.