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1.发明授权公开(公告)号：US10418898B2
公开(公告)日：2019-09-17
申请号：US16030929
申请日：2018-07-10
Inventor： Young Kyun Cho , Myung Don Kim , Seok Bong Hyun , Bong Hyuk Park , Cheol Ho Kim
Abstract: The present disclosure a switched-mode power supply using a reconfigurable delta-signal modulator (DSM). The switched-mode power supply comprises, a current sensing unit configured to determine an operation mode on the basis of a result of sensing a current of an output terminal; a compensator configured to output a compensation signal by amplifying a difference value between an output voltage and a reference voltage; a reconfigurable DSM configured to output a digital signal by noise-shaping the compensation signal; a power switch unit switched by the digital signal to output an output voltage; and an attenuator configured to supply a feedback voltage of the output voltage attenuated by a voltage divider to the compensator.
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公开(公告)号：US10193718B2
公开(公告)日：2019-01-29
申请号：US15870826
申请日：2018-01-12
Inventor： Sun Woo Kong , Bong Hyuk Park , Moon Sik Lee , Hui Dong Lee
Abstract: A data modulation apparatus may comprise a S2D conversion part including a first amplifier operating based on a carrier wave signal and two transformers receiving an output signal of the first amplifier; a first switch part transferring status of input data to the first amplifier based on the input data; a differential amplification part receiving output signals of the S2D conversion part and amplifying the output signals of the S2D conversion part; a D2S conversion part receiving output signals of the differential amplification part and performing modulation on the output signals by converting the output signals to a single signal; and a second switch part transferring the output signals of the differential amplification part to the D2S conversion part based on the input data. Here, the first switch part and the second switch part may be alternately turned on and off.
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3.发明申请APPARATUS AND METHOD FOR CALIBRATING TIME CONSTANT, AND LOW PASS DELTA SIGMA MODULATION APPARATUS INCLUDING THE SAME 失效用于校准时间常数的装置和方法，以及包括其中的低通道三角形调制装置公开(公告)号：US20140002285A1
公开(公告)日：2014-01-02
申请号：US13715056
申请日：2012-12-14
Inventor： Young Kyun CHO , Bong Hyuk Park , Jae Ho Jung
IPC: H03M3/00
Abstract: A time constant calibration apparatus of a low pass delta sigma modulation apparatus calibrates a time constant of an integrator using a resistor and a capacitor, and the time constant calibration apparatus generates a reference voltage by flowing a reference current to a reference resistor, converts the reference voltage to a digital signal, and varies a value of a resistor of an integrator and a value of a capacitor from the digital signal.
Abstract translation: 低通量ΔΣ调制装置的时间常数校准装置使用电阻器和电容器校准积分器的时间常数，并且时间常数校准装置通过将参考电流流向参考电阻器来产生参考电压，转换参考电压 电压到数字信号，并且从数字信号改变积分器的电阻器的值和电容器的值。
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公开(公告)号：US20230163733A1
公开(公告)日：2023-05-25
申请号：US17939648
申请日：2022-09-07
Inventor： Sunwoo KONG , Bong Hyuk Park , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
IPC: H03F3/193
CPC classification number: H03F3/193 , H03F2200/451 , H03F2200/09 , H03F2200/21
Abstract: Disclosed is an ultra-high frequency amplifier which includes a first conductor connected to an amplifier input terminal to receive an RF signal applied to the amplifier input terminal, a second conductor parallel to a first portion of the first conductor, a third conductor separated from the second conductor and parallel to a second portion of the first conductor, and a transistor including a gate terminal connected to one end of the second conductor, a first terminal connected to one end of the third conductor, and a second terminal connected to an amplifier output terminal, wherein the first conductor and the second conductor form a first balun to output a first balance signal based on the RF signal, the first conductor and the third conductor form a second balun to output a second balance signal based on the RF signal.
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公开(公告)号：US09998192B2
公开(公告)日：2018-06-12
申请号：US15424996
申请日：2017-02-06
Inventor： Juyul Lee , Myung Don Kim , Bong Hyuk Park , Jae Joon Park
CPC classification number: H04B7/0617 , H04B7/0619 , H04L25/024 , H04W64/00
Abstract: A method and terminal for performing beamforming. The beamforming method of a terminal includes acquiring a beamforming signal, calculating a beamforming coefficient to correspond to locations of a transmitter and a receiver, based on the beamforming signal, acquiring sensor information of the terminal, estimating a channel parameter based on the sensor information, and determining a final beamforming coefficient based on the beamforming coefficient and the channel parameter.
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Patent Agency Ranking
6.发明授权公开(公告)号：US09300513B2
公开(公告)日：2016-03-29
申请号：US14595653
申请日：2015-01-13
Inventor： Seunghyun Jang , Young Kyun Cho , Sung Jun Lee , Bong Hyuk Park , Jae Ho Jung , Kwangchun Lee
CPC classification number: H04L27/2627 , H03F1/3247 , H03F3/24 , H04L25/4902 , H04L25/4923 , H04L27/20 , H04L27/368
Abstract: Provided is a signal transmission device including a first modulation unit generating a first modulated signal having at least three logic levels by modulating an input signal; a characteristic adjustment unit generating an adjusted first modulated signal by adjusting the at least one of electrical characteristic values based on an adjustment signal; a second modulation unit generating a second modulated signal by modulating the adjusted first modulated signal; and an adjustment operation unit generating the adjustment signal based on electrical characteristic values respectively corresponding to the at least three logic levels of the first modulated signal and corresponding to at least three logic levels of the second modulated signal. Linearity of the modulated signal generated by the provided signal transmission device is enhanced.
Abstract translation: 提供了一种信号传输设备，包括：第一调制单元，通过调制输入信号产生具有至少三个逻辑电平的第一调制信号; 特征调整单元，通过基于调整信号调整所述电特性值中的至少一个来生成经调整的第一调制信号; 第二调制单元，通过调制经调整的第一调制信号产生第二调制信号; 以及调整操作单元，其基于分别对应于所述第一调制信号的所述至少三个逻辑电平并对应于所述第二调制信号的至少三个逻辑电平的电特性值生成所述调整信号。 由提供的信号传输装置产生的调制信号的线性增强。
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公开(公告)号：US09295001B2
公开(公告)日：2016-03-22
申请号：US14150084
申请日：2014-01-08
Inventor： Seunghyun Jang , Sung Jun Lee , Young Kyun Cho , Bong Hyuk Park , Jae Ho Jung , Kwangchun Lee
CPC classification number: H04W52/04 , H04W52/241 , H04W52/52
Abstract: A signal amplification apparatus includes a first modulator configured to receive an envelope signal, use a predetermined reference level to separate the received envelope signal into a first period and a second period, digitally modulate a signal of the second period to output the digitally modulated signal to a first output terminal, and output a signal of the first period to a second output terminal. Further, the signal amplification apparatus includes a second modulator configured to mix the digital modulated signal input through the first output terminal with a phase modulated carrier signal; an envelope modulator configured to output the signal of the first period as a power supply signal; and a power amplifier configured to amplify the mixed signal output by the second modulator to output the amplified signal.
Abstract translation: 信号放大装置包括：第一调制器，被配置为接收包络信号，使用预定的参考电平将接收的包络信号分离成第一周期和第二周期，数字地调制第二周期的信号以输出数字调制信号 第一输出端，并将第一周期的信号输出到第二输出端。 此外，信号放大装置包括：第二调制器，被配置为将通过第一输出端子输入的数字调制信号与相位调制载波信号混合; 包络调制器，被配置为输出所述第一周期的信号作为电源信号; 以及功率放大器，被配置为放大由第二调制器输出的混合信号以输出放大的信号。
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8.发明授权公开(公告)号：US09143310B2
公开(公告)日：2015-09-22
申请号：US14294836
申请日：2014-06-03
Inventor： Sung Jun Lee , Young Kyun Cho , Seunghyun Jang , Bong Hyuk Park , Jae Ho Jung , Kwangchun Lee
CPC classification number: H04L7/0016 , H04L27/366 , H04L27/02 , H04L27/361
Abstract: Provided is a method of correcting a time misalignment between envelope and phase components in a transmitting apparatus which separates envelope and phase components of a signal, processes them, and then recombines them to transmit the recombined signal. For this, in a method of correcting a time misalignment between envelope and phase components according to an embodiment of the present invention, a time misalignment is corrected by applying a time delay to at least one of envelope and phase components in digital and analog signal processing operations, or applying a time delay to an envelope or phase component by a pre-processing operation.
Abstract translation: 提供了一种校正发送装置中的包络和相位分量之间的时间偏移的方法，该发送装置分离信号的包络和相位分量，处理它们，然后将它们复合以发送重组信号。 为此，在根据本发明的实施例的校正包络和相位分量之间的时间失准的方法中，通过对数字和模拟信号处理中的包络和相位分量中的至少一个应用时间延迟来校正时间偏移 操作或通过预处理操作对信封或相位分量施加时间延迟。
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公开(公告)号：US12132266B2
公开(公告)日：2024-10-29
申请号：US17871608
申请日：2022-07-22
Inventor： Bong Hyuk Park , Sunwoo Kong , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
CPC classification number: H01Q3/28 , H01Q9/16 , H01Q21/062
Abstract: Provided is a terahertz wideband antenna and a method for designing the same. According to various embodiments, the wideband antenna used for mobile communication in the terahertz wave communication band may include an antenna board including a first surface and a second surface opposite to the first surface, and a plurality of dipole antennas arranged on the antenna board, each of the plurality of dipole antennas may include a feeder disposed on the first surface and a radiator disposed on the second surface and physically spaced apart from the feeder, the feeder may be wire-bonded to a corresponding channel of a plurality of channels of a beam former, and the radiator may be coupled to the feeder to receive a signal from the feeder.
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公开(公告)号：US10079579B2
公开(公告)日：2018-09-18
申请号：US15487905
申请日：2017-04-14
Inventor： Sunwoo Kong , Bong Hyuk Park , Moon-Sik Lee , Hui Dong Lee
CPC classification number: H03F1/56 , H03F1/347 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/265 , H03F3/45179 , H03F2200/318 , H03F2200/391 , H03F2200/399 , H03F2200/411 , H03F2200/451 , H03F2200/534 , H03F2200/537
Abstract: A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (LC) tank connected to the drain, and a transformer connected to the gate and the source.
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