公开(公告)号：US09379778B2

公开(公告)日：2016-06-28

申请号：US13960787

申请日：2013-08-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoung Hwan Roh ,  Il Jong Song ,  Chol Su Yoon

IPC: H04B5/00 ,  G06K19/07

CPC classification number: H04B5/0012 ,  G06K19/0726 ,  H04B5/0031 ,  H04B5/0056

Abstract: The near field communication (NFC) circuit includes an NFC reader circuit configured to communicate with an outside through an antenna, a resonant and matching circuit connected between the NFC reader circuit and the antenna, an NFC card circuit connected to nodes and configured to communicate with the outside through the antenna, and a processor configured to output a plurality of control signals when the NFC reader circuit is enabled, wherein the NFC card circuit is configured to control a resonant frequency of the antenna in response to the plurality of control signals.

Abstract translation: 近场通信（NFC）电路包括被配置为通过天线与外部通信的NFC读取器电路，连接在NFC读取器电路和天线之间的谐振和匹配电路，连接到节点并被配置为与 通过天线的外部，以及配置成当NFC读取器电路被使能时输出多个控制信号的处理器，其中，所述NFC卡电路被配置为响应于所述多个控制信号来控制所述天线的谐振频率。

公开(公告)号：US09467204B2

公开(公告)日：2016-10-11

申请号：US14524149

申请日：2014-10-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chol Su Yoon ,  Il Jong Song ,  Jae Hun Choi

IPC: H04B5/00

CPC classification number: H04B5/0031 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/42

Abstract: A transmitter of a NFC device includes a current detector which detects a first current flowing in an output node of a regulator and outputs a current detection signal related to a result of the detection, and a control block which compares the current detection signal with a reference current and generates a control signal for controlling a voltage of the output node according to a result of the comparison.

Abstract translation: NFC设备的发射机包括电流检测器，其检测在调节器的输出节点中流动的第一电流并输出与检测结果相关的电流检测信号;以及控制块，其将电流检测信号与参考值进行比较 并根据比较结果生成用于控制输出节点的电压的控制信号。

公开(公告)号：US09191040B2

公开(公告)日：2015-11-17

申请号：US14157002

申请日：2014-01-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chol Su Yoon ,  Hyoung Hwan Roh ,  Il Jong Song

IPC: H04B1/04 ,  G06K7/10

CPC classification number: H04B1/0475 ,  G06K7/10217 ,  G06K7/10316 ,  H04B1/0483

Abstract: A radio frequency (RF) transmission circuit includes an antenna connection terminal, a plurality of amplifiers connected to the antenna connection terminal in parallel, a plurality of drivers for driving the plurality of amplifiers, and a control circuit configured to control operation of the plurality of drivers based on information indicating a characteristic of a RF signal to be transmitted through the antenna connection terminal.

Abstract translation: 射频（RF）传输电路包括天线连接端子，并联连接到天线连接端子的多个放大器，用于驱动多个放大器的多个驱动器，以及控制电路，被配置为控制多个 基于表示通过天线连接终端发送的RF信号的特性的信息的驱动器。

公开(公告)号：US10554261B2

公开(公告)日：2020-02-04

申请号：US15966137

申请日：2018-04-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jun Ho Kim ,  Hyuk Sang Choi ,  Chol Su Yoon

IPC: H04B5/00

Abstract: A detection device is provided. The detection device includes a transmitter and a detector. The transmitter supplies an induced current to an antenna and to adjust a strength of an induced voltage generated in the antenna by adjusting the induced current. The detector monitors the strength of the induced voltage of the antenna and generates a control signal for controlling the induced current to the antenna based on the monitored strength of the induced voltage of the antenna.

公开(公告)号：US09991937B2

公开(公告)日：2018-06-05

申请号：US14659980

申请日：2015-03-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jun Ho Kim ,  Hyuk Sang Choi ,  Chol Su Yoon

IPC: H04W12/06 ,  H04B5/00

CPC classification number: H04B5/0081 ,  H04B5/0031 ,  H04B5/0056

Abstract: A detection device is provided. The detection device includes a transmitter and a detector. The transmitter supplies an induced current to an antenna and to adjust a strength of an induced voltage generated in the antenna by adjusting the induced current. The detector monitors the strength of the induced voltage of the antenna and generates a control signal for controlling the induced current to the antenna based on the monitored strength of the induced voltage of the antenna.

公开(公告)号：US20140209680A1

公开(公告)日：2014-07-31

申请号：US14157002

申请日：2014-01-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chol Su Yoon ,  Hyoung Hwan Roh ,  IL Jong Song

IPC: H04B1/04 ,  G06K7/10

CPC classification number: H04B1/0475 ,  G06K7/10217 ,  G06K7/10316 ,  H04B1/0483

Abstract: A radio frequency (RF) transmission circuit includes an antenna connection terminal, a plurality of amplifiers connected to the antenna connection terminal in parallel, a plurality of drivers for driving the plurality of amplifiers, and a control circuit configured to control operation of the plurality of drivers based on information indicating a characteristic of a RF signal to be transmitted through the antenna connection terminal.

Abstract translation: 射频（RF）传输电路包括天线连接端子，并联连接到天线连接端子的多个放大器，用于驱动多个放大器的多个驱动器，以及控制电路，被配置为控制多个 基于表示通过天线连接终端发送的RF信号的特性的信息的驱动器。

公开(公告)号：US20150118963A1

公开(公告)日：2015-04-30

申请号：US14524149

申请日：2014-10-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chol Su Yoon ,  Il Jong Song ,  Jae Hun Choi

IPC: H04B5/00

CPC classification number: H04B5/0031 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/42

Abstract: A transmitter of a NFC device includes a current detector which detects a first current flowing in an output node of a regulator and outputs a current detection signal related to a result of the detection, and a control block which compares the current detection signal with a reference current and generates a control signal for controlling a voltage of the output node according to a result of the comparison.

Abstract translation: NFC设备的发射机包括电流检测器，其检测在调节器的输出节点中流动的第一电流并输出与检测结果相关的电流检测信号;以及控制块，其将电流检测信号与参考值进行比较 并根据比较结果生成用于控制输出节点的电压的控制信号。