公开(公告)号：US20170077996A1

公开(公告)日：2017-03-16

申请号：US15205420

申请日：2016-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-Woo KIM ,  Byeong-Taek MOON ,  Jun-Ho KIM

IPC: H04B5/02 ,  H02J50/12 ,  H02J7/02 ,  H04B5/00 ,  H04W52/04

CPC classification number: H04B5/02 ,  H02J7/025 ,  H02J50/12 ,  H04B5/0031 ,  H04B5/0075 ,  H04W52/04 ,  H04W88/02

Abstract: A tag detector of a near field communication (NFC) device includes a current monitor configured to monitor a current flowing in a regulator in a preset phase and a detection phase to generate a first sensing current and a second sensing current, respectively, a current to voltage converter configured to convert the first sensing current and the second sensing current to a first sensing voltage and a second sensing voltage, respectively, an analog to digital converter configured to convert the first sensing voltage and the second sensing voltage to a first digital code and a second digital code, respectively, and a decision circuit configured to compare the first digital code and the second digital code, and output a detection signal indicating that another NFC device is within a communication range of the NFC device, based on the comparison.

Abstract translation: 近场通信（NFC）装置的标签检测器包括：电流监视器，被配置为监视在预设相位中流过调节器的电流和检测阶段，以分别产生第一感测电流和第二感测电流， 电压转换器，被配置为分别将第一感测电流和第二感测电流转换为第一感测电压和第二感测电压;模数转换器，被配置为将第一感测电压和第二感测电压转换为第一数字码， 第二数字码，以及判定电路，被配置为比较第一数字码和第二数字码，并且基于该比较，输出指示另一个NFC装置位于NFC装置的通信范围内的检测信号。

公开(公告)号：US20190260118A1

公开(公告)日：2019-08-22

申请号：US16405290

申请日：2019-05-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byeong-Taek MOON ,  Jae-Suk LEE ,  II-Jong SONG ,  Young-ki LEE ,  Yo-Han JANG

IPC: H01Q1/27 ,  H04B5/00 ,  H01Q7/00 ,  H01Q1/22

Abstract: In one embodiment, the antenna arrangement includes a primary antenna having a conductive sidewall; and a loop antenna disposed in and physically separated from the primary antenna. The loop antenna includes a first conductive loop and a capacitor electrically connected between ends of the first conductive loop.