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公开(公告)号：US20220360295A1
公开(公告)日：2022-11-10
申请号：US17734286
申请日：2022-05-02
Inventor： In Kui CHO , Jang Yeol KIM , Jung Hoon OH , Jae Woo LEE , Jae Ho LEE , Hyun Joon LEE , Sang Won KIM , Seong Min KIM , Jung Ick MOON , Woo Jin BYUN , Je Hoon YUN
IPC: H04B5/00
Abstract: An antenna device for magnetic field communication may include: a first coil; a second coil; a third coil; a first capacitor connected to a 1-1 terminal of the first coil; a second capacitor connected to a 2-1 terminal of the second coil; a third capacitor connected to a 3-1 terminal of the third coil; and an input port including a first input terminal connected to a 1-2 terminal of the first coil, a 2-2 terminal of the second coil, and a 3-2 terminal of the third coil, and a second input terminal connected to the first capacitor, the second capacitor, and the third capacitor.
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2.发明公开公开(公告)号：US20240136714A1
公开(公告)日：2024-04-25
申请号：US18485034
申请日：2023-10-11
Inventor： Jung Hoon OH , Jang Yeol KIM , HYUNJOON LEE , In Kui CHO
CPC classification number: H01Q7/00 , H01Q1/523 , H01Q21/00 , H04B5/0075
Abstract: Provided is a resonant multi-loop antenna circuit for magnetic field communication. The resonant multi-loop antenna circuit includes a first loop antenna and a second loop antenna arranged substantially on a same plane, and a first/a second matching circuit connected in series to the first and the second loop antenna respectively. The first matching circuit may be configured to minimize reactance of the first loop antenna and the first matching circuit connected in series to each other at a first carrier frequency, the second matching circuit may be configured to minimize the reactance of the second loop antenna and the second matching circuit connected in series to each other at a second carrier frequency, and the first loop antenna and the second loop antenna may be arranged so that a center of the first loop antenna is spaced apart from a center of the second loop antenna by a predetermined distance.
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3.发明申请公开(公告)号：US20170338555A1
公开(公告)日：2017-11-23
申请号：US15593454
申请日：2017-05-12
Inventor： Yong Ho LEE , Jung Hoon OH , Jung Nam LEE
Abstract: Parasitic element control apparatus and method for a single radio frequency (RF) chain-based antenna array. The apparatus includes an arranger configured to arrange antenna elements, each including a single active element and a plurality of parasitic elements, and generate an antenna structure, a designer configured to design a control parameter for controlling the parasitic elements based on the antenna structure, and an adjuster configured to adjust the parasitic elements based on the control parameter.
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4.发明申请LOOP FILTER FOR DATA CONVERTER IN WIRELESS COMMUNICATION SYSTEM AND METHOD OF IMPLEMENTING CORRESPONDING LOOP FILTER 有权无线通信系统中数据转换器的环路滤波器及实现相关环路滤波器的方法公开(公告)号：US20160269043A1
公开(公告)日：2016-09-15
申请号：US15057793
申请日：2016-03-01
Inventor： Young Kyun CHO , Bong Hyuk PARK , Jung Hoon OH
IPC: H03M3/00
CPC classification number: H03M3/44 , G06G7/18 , H03H11/0433 , H03H11/1252 , H03H11/126 , H03M3/438 , H03M3/458
Abstract: Provided is a loop filter for a data converter in a wireless communication system that improves both an anti-aliasing filtering characteristic and a power consumption characteristic, the loop filter including first and third resistors sequentially connected to an input end, fourth and second resistors sequentially connected to between an inverting output end and ground, a first capacitor connected to between another end of the first resistor and one end of the fourth resistor, a second capacitor connected to between the one end of the fourth resistor and the output end, a third capacitor connected to between another end of the third resistor and the output end, and an operational amplifier, wherein an inverting end of the operational amplifier is connected to the other end of the first resistor and a non-inverting end of the operational amplifier is connected to ground to output an operational amplifier response to the output end.
Abstract translation: 提供了一种用于无线通信系统中的数据转换器的环路滤波器，其改进了抗混叠滤波特性和功耗特性，该环路滤波器包括顺序地连接到输入端的第一和第三电阻器，第四和第二电阻器顺序地连接 连接到所述第一电阻器的另一端和所述第四电阻器的一端之间的第一电容器，连接到所述第四电阻器的一端和所述输出端之间的第二电容器，第三电容器 连接到第三电阻器的另一端和输出端之间，以及运算放大器，其中运算放大器的反相端连接到第一电阻器的另一端，并且运算放大器的非反相端连接到 接地以输出对输出端的运算放大器响应。
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公开(公告)号：US20140292579A1
公开(公告)日：2014-10-02
申请号：US14085208
申请日：2013-11-20
Inventor： Jung Hoon OH , Kwangchun LEE , Nam Hoon PARK
IPC: H01Q3/34
Abstract: Provided is a beam forming device. The beam forming device of the present invention may feedback power-amplified signals to perform digital pre-distortion for improving the non-linearity of an analog element in a digital signal process terminal and control a phase for forming a beam. Therefore, the beam forming device that can form an accurate beam may be realized.
Abstract translation: 提供了一种波束形成装置。 本发明的波束形成装置可以反馈功率放大信号以执行数字预失真，以改善数字信号处理终端中的模拟元件的非线性，并且控制用于形成波束的相位。 因此，可以实现能够形成精确的光束的光束形成装置。
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Patent Agency Ranking
公开(公告)号：US20250096845A1
公开(公告)日：2025-03-20
申请号：US18889309
申请日：2024-09-18
Inventor： Kye Seok YOON , In Kui CHO , Jung Hoon OH , Jang Yeol KIM , Hyun Joon LEE
Abstract: A system for performing magnetic field communication is disclosed. According to one embodiment of the present disclosure, a system for performing magnetic field communication may include a first current mode power supply having a voltage and one or more inductors connected thereto; a power amplifier connected to the first current mode power supply; a first matching impedance unit including a first capacitor connected to the power amplifier; and a first magnetic field antenna including a coil and a resistor connected in parallel with the first matching impedance unit.
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公开(公告)号：US20240272243A1
公开(公告)日：2024-08-15
申请号：US18405506
申请日：2024-01-05
Inventor： Hyunjoon LEE , Jang Yeol KIM , Jung Hoon OH , In Kui CHO
IPC: G01R33/032
CPC classification number: G01R33/032
Abstract: An atomic magnetometer with an extended measurement bandwidth is disclosed. The atomic magnetometer includes coils configured to transmit incident pump light and a bias magnetic field and a vapor cell positioned between the coils and receiving the pump light and the bias magnetic field transmitted from the coils and irradiation light incident from a direction perpendicular to the coils, wherein the vapor cell includes both a first alkali metal atom and a second alkali metal atom, which are isotopes of one of alkali metals.
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8.发明申请公开(公告)号：US20160218785A1
公开(公告)日：2016-07-28
申请号：US15006283
申请日：2016-01-26
Inventor： Young Kyun CHO , Bong Hyuk PARK , Jung Hoon OH , Jung Nam LEE , Gweon Do JO
Abstract: A smart antenna system according to an exemplary embodiment of the present invention including a beam forming antenna which includes an active antenna and a plurality of parasitic antennas, the system including: a reactance load which is connected to the parasitic antenna; a transceiver which transmits and receives a signal to the beam forming antenna; and an antenna adjusting block which tracks a signal source in real time using a plurality of beam patterns having the largest signal size and forms a beam in a direction having the largest signal size.
Abstract translation: 根据本发明的示例性实施例的智能天线系统，包括：波束形成天线，其包括有源天线和多个寄生天线，所述系统包括：连接到所述寄生天线的电抗负载; 发送和接收信号到波束形成天线的收发器; 以及天线调整块，其使用具有最大信号尺寸的多个波束图案实时跟踪信号源，并且在具有最大信号大小的方向上形成波束。
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公开(公告)号：US20150214624A1
公开(公告)日：2015-07-30
申请号：US14596367
申请日：2015-01-14
Inventor： Heon Kook KWON , Jung Nam LEE , Byung Su KANG , Jung Hoon OH , Kwangchun LEE
CPC classification number: H01Q1/243 , H01Q1/42 , H01Q1/521 , H01Q9/0421 , H01Q21/28
Abstract: Provided is a micro base station antenna including a substrate etched with first and second micro strip lines, a first inverted F antenna, a second inverted F antenna facing the first inverted F antenna, and an isolator provided between the first inverted F antenna and the second inverted F antenna. According to the present invention, a micro base station antenna that has a wide bandwidth, a high gain, and an enhanced isolation characteristic can be provided.
Abstract translation: 提供了一种微基站天线，包括用第一和第二微带线蚀刻的基板，第一倒F天线，面向第一倒F天线的第二倒F天线，以及设置在第一倒F天线与第二倒F天线之间的隔离器 倒F天线。 根据本发明，可以提供具有宽带宽，高增益和增强的隔离特性的微型基站天线。
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公开(公告)号：US20240039580A1
公开(公告)日：2024-02-01
申请号：US18335697
申请日：2023-06-15
Inventor： Jang Yeol KIM , Jung Hoon OH , Jaeho LEE , Hyunjoon LEE , In Kui CHO
CPC classification number: H04B5/0081 , H01F38/14 , H01F2038/143
Abstract: A magnetic signal receiving device and a magnetic field communication system are disclosed. The magnetic signal receiving device includes a signal detector including a magnetic sensor and configured to detect a magnetic signal using the magnetic sensor, a signal amplifier configured to amplify the magnetic signal detected by the signal detector, and a demodulator configured to restore the amplified magnetic signal received from the signal amplifier into an original signal.
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