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公开(公告)号：US20190326814A1
公开(公告)日：2019-10-24
申请号：US16198398
申请日：2018-11-21
Inventor： Young Kyun CHO , Myung Don KIM , Seok Bong HYUN
Abstract: A buck-boost converter using a delta-sigma modulator (DSM) includes a buck-boost mode driving circuit configured to receive an input voltage and output an output voltage according to an operation mode, a mode controller configured to sense an output of the buck-boost mode driving circuit and determine the operation mode, and a gate driver configured to receive a mode determination signal for determining the operation mode from the mode controller and control switches included in the buck-boost mode driving circuit. Accordingly, output ripple characteristics thereof can be improved.
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公开(公告)号：US20240223408A1
公开(公告)日：2024-07-04
申请号：US18395956
申请日：2023-12-26
Inventor： Seung Hun WANG , Sun Woo KONG , Bong Hyuk PARK , Hui Dong LEE , Seung Hyun JANG , Seok Bong HYUN
CPC classification number: H04L25/0272 , H03M3/34 , H04B3/02
Abstract: A reconfigurable circuit for differential network includes: first circuit which is a two-port differential circuit; first cross-coupled switch circuit connected to first port on one side of the first circuit in parallel; and second circuit connected to second port on the other side of the first cross-coupled switch circuit in series. The first cross-coupled switch circuit includes: first-series switch disposed between and connected to first terminal of the first port and first terminal of the second port in series; second-series switch disposed between and connected to second terminal of the first port and second terminal of the second port in series; first cross-coupled element disposed between and connected to the first terminal of the first port and the second terminal of the second port; and second cross-coupled element disposed between and connected to the second terminal of the first port and the first terminal of the second port.
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公开(公告)号：US20230198144A1
公开(公告)日：2023-06-22
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 , H01Q21/062 , H01Q9/16
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：US20240224221A1
公开(公告)日：2024-07-04
申请号：US18491468
申请日：2023-10-20
Inventor： Seok Bong HYUN , Sung Jun LEE , Sun Woo KONG , Bong Hyuk PARK , Hui Dong LEE , Seung Hyun JANG
CPC classification number: H04W64/00 , G01S5/0218
Abstract: An operation method of a first communication node may comprise: receiving a first signal from a second communication node of the communication system; estimating a first time interval corresponding to a first path detected as a FAP among one or more paths through which the first signal is received; defining a first gain control function based on the estimated first time interval; receiving a second signal transmitted from the second communication node by variably controlling a reception gain based on the first gain control function; estimating a second time interval corresponding to a DP between the first and second communication nodes, based on a result of receiving the second signal based on the first gain control function; and transmitting relative distance information on the second time interval to a first positioning device.
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公开(公告)号：US20230224191A1
公开(公告)日：2023-07-13
申请号：US18059197
申请日：2022-11-28
Inventor： Seung Hun WANG , Sun Woo KONG , Bong Hyuk PARK , Hui Dong LEE , Seung Hyun JANG , Seok Bong HYUN
CPC classification number: H04L25/0272 , H01P1/383
Abstract: A differential transmission line having a switch may comprise: a first transmission line comprising a first distribution element having a first impedance; a second transmission line comprising a second distribution element having a second impedance; and a first switch block connected between a first end of the first transmission line and a first end of the second transmission line, wherein the first switch block comprises a first switch connected in series to the first end of the first transmission line, a second switch connected in series to the first end of the second transmission line, a first-cross capacitor connected between a first terminal of the first switch and a second terminal of the second switch, and a second cross-capacitor connected between a first terminal of the second switch and a second terminal of the first switch.
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Patent Agency Ranking
公开(公告)号：US20240213685A1
公开(公告)日：2024-06-27
申请号：US18473854
申请日：2023-09-25
Inventor： Bong Hyuk PARK , Sunwoo KONG , SEUNG HUN WANG , Hui Dong LEE , Seunghyun JANG , Seok Bong HYUN
CPC classification number: H01Q13/08 , H01Q1/2283
Abstract: An antenna system and an apparatus including the same are provided. The antenna system includes at least one antenna module, wherein the antenna module may include a plurality of antennas formed on one surface of a first board, and a beamforming chip formed on one surface of a second board, wherein the plurality of antennas is connected to the beamforming chip through a plurality of microstrip lines and a waveguide.
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公开(公告)号：US20200161754A1
公开(公告)日：2020-05-21
申请号：US16578203
申请日：2019-09-20
Inventor： Young Kyun CHO , Cheol Ho KIM , Bong Hyuk PARK , Kwangchun LEE , Seok Bong HYUN
IPC: H01Q1/52 , H01L29/868 , H01Q3/24 , H01Q25/00 , H01L23/66
Abstract: A semiconductor-based beamforming antenna is provided. The beamforming antenna includes: a waveguide having a silicon medium formed between metal and forming a waveguide path; at least one diode array disposed in the waveguide, the at least one diode array being driven according to an applied electrical signal to reflect an incident signal by acting as a conductive reflecting wall; a radiator connected to the waveguide and radiating a beam corresponding to a signal reflected by the at least one diode array or an incident signal; and a feeder for supplying an electrical signal into the waveguide.
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8.发明申请公开(公告)号：US20190028027A1
公开(公告)日：2019-01-24
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
CPC classification number: H02M3/157 , H02M1/08 , H02M1/143 , H02M1/44 , H02M3/158 , H02M2001/0009 , H02M2001/0032 , H02M2001/0054 , H03M3/392 , H03M3/438 , H03M3/454 , H03M3/458
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：US20240187926A1
公开(公告)日：2024-06-06
申请号：US18525714
申请日：2023-11-30
Inventor： Jun Sik KIM , Soon Gi PARK , Young Jo KO , Seok Bong HYUN
IPC: H04W28/06 , H04W28/086
CPC classification number: H04W28/06 , H04W28/086
Abstract: A method of a central unit (CU) may comprise: receiving, from a terminal, measurement information for radio access points; configuring a cluster using two or more radio access points among the radio access points based on the measurement information; and generating first data to which a cluster header including a cluster identifier of the cluster is attached; and transmitting the first data to the two or more radio access points, wherein second data generated in the two or more radio access points includes the first data and a packet data convergence protocol (PDCP) header, the CU performs a first partial PDCP function, and the two or more radio access points perform a second partial PDCP function.
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10.发明公开公开(公告)号：US20230198485A1
公开(公告)日：2023-06-22
申请号：US17964157
申请日：2022-10-12
Inventor： Sunwoo KONG , Bong Hyuk PARK , Hui Dong LEE , Seunghyun JANG , Seok Bong HYUN
Abstract: Disclosed is a bidirectional amplifier. The bidirectional amplifier includes a first matching circuit, a second matching circuit, an amplifier circuit connected between the first matching circuit and the second matching circuit, that amplifies a first input signal received from the first matching circuit to output the amplified first input signal to the second matching circuit, and that amplifies a second input signal received from the second matching circuit to output the amplified first input signal to the first matching circuit, and the first and second matching circuits have a symmetrical structure and operate complementary to each other.
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