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:
Apr. 04, 2017
Filed:
Jan. 07, 2015
Applicant:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd, , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/00 (2006.01); G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G06K 7/10237 (2013.01); G06K 7/10158 (2013.01); G06K 7/10475 (2013.01);
Abstract
A Near Field Communication (NFC) device, system, and method are disclosed. The NFC device includes a resonance unit configured to emit a first electromagnetic wave to communicate with an external NFC card in a reader mode, and an NFC chip configured to measure an antenna voltage generated by the resonance unit while the resonance unit emits the first electromagnetic wave, and configured to control the resonance unit to stop emitting the first electromagnetic wave when a magnitude of the antenna voltage oscillates.