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.

Date of Patent:
Jan. 22, 2019

Filed:

Aug. 02, 2017
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Seong Sik Myoung, Suwon-si, KR;

Jun Ho Kim, Yongin-si, KR;

Sang Hyo Lee, Incheon, KR;

Il Jong Song, Suwon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/02 (2006.01); H03F 3/19 (2006.01); H03F 3/21 (2006.01); H03G 3/30 (2006.01); H02M 3/04 (2006.01);
U.S. Cl.
CPC ...
H04B 5/02 (2013.01); H03F 3/19 (2013.01); H03F 3/21 (2013.01); H03G 3/3036 (2013.01); H02M 3/04 (2013.01);
Abstract

A near field communications (NFC) device includes a receiving module and a transmitting module. The receiving module includes a receiver receiving an analog signal that includes a carrier signal and data, an analog-to-digital converter converting the analog signal to a digital signal, and a filter filtering the digital signal. The transmitting module includes a direct current-direct current (DC-DC) converter having an operating frequency belonging to a stop band of the filter, and a transmitter receiving power from the DC-DC converter and receiving a system clock signal.


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