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公开(公告)号：US10659023B2
公开(公告)日：2020-05-19
申请号：US16199061
申请日：2018-11-23
Inventor： Dongwoo Kang , Bon Tae Koo
IPC: H03K5/1252 , H03H11/32 , H03K5/00 , H03B19/14
Abstract: An apparatus and a method for multiplying a frequency of an input signal are provided. The apparatus may include a main differential device for converting the input signal into a first differential signal and a second differential signal, a first multiplying device for outputting a first signal obtained by multiplying a frequency of the first differential signal, a second multiplying device for outputting a second signal obtained by multiplying a frequency of the second differential signal, and a compositing device for outputting a third signal obtained by combining the first signal and the second signal to remove a fundamental frequency component.
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公开(公告)号：US12235346B2
公开(公告)日：2025-02-25
申请号：US17573177
申请日：2022-01-11
Inventor： Min Park , Bon Tae Koo , Kyung Hwan Park , Pil Jae Park , Jang Hong Choi
IPC: G01S13/536 , G01S7/35 , G01S13/58
Abstract: Disclosed is a radar device capable of operating in a dual mode, which includes a transmitter that includes a first signal generator that generates a Doppler radar signal and a second signal generator that generates a Frequency Modulated Continuous Wave (FMCW) radar signal, a receiver that receives a reflected signal reflected from a target and converts the reflected signal to a digital signal, a signal processing circuit that processes the digital signal differently depending on the dual mode to output an output signal, a signal analysis circuit that analyzes the output signal, and a controller that controls operations of the transmitter, the receiver, the signal processing circuit, and the signal analysis circuit, and the dual mode includes a first mode in which the first signal generator is activated and a second mode in which the second signal generator is activated.
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13.发明授权公开(公告)号：US10929994B2
公开(公告)日：2021-02-23
申请号：US15833518
申请日：2017-12-06
Inventor： Hyun Kyu Yu , Sung Weon Kang , Bon Tae Koo , Joo Hyun Lee
IPC: G06T7/50 , H04N13/214 , H04N13/128 , H04N13/218 , H04N13/271 , H04N5/374
Abstract: Provided is an image processing device. The device includes an active pixel sensor array including a plurality of pixels configured to generate a plurality of signals corresponding to a target, and an image processor configured to generate a depth map about the target based on an intensity difference of two signals among the plurality of signals.
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公开(公告)号：US10431543B2
公开(公告)日：2019-10-01
申请号：US15895549
申请日：2018-02-13
Inventor： Dongwoo Kang , Bon Tae Koo
Abstract: Provided are a differential inductor and a semiconductor device including the same, the differential inductor including first circular parts and second circular parts disposed on a first layer and composing a first spiral shape, a first semi-circular part disposed on the first layer and in the first circular part that is an innermost one of the first circular parts, and a second semi-circular part disposed outside the first circular part that is an outermost one of the first circular parts, third semi-circular parts and fourth semi-circular parts disposed on a second layer under the first layer and composing a second spiral shape, connection means configured to connect, to one, the first and second circular parts, and the first to fourth semi-circular parts, wherein the second circular parts are respectively interposed between the first circular parts, and a part of the fourth semi-circular parts is respectively interposed between the second semi-circular parts.
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15.发明授权公开(公告)号：US12224728B2
公开(公告)日：2025-02-11
申请号：US18182571
申请日：2023-03-13
Inventor： Seon-Ho Han , Bon Tae Koo
Abstract: Disclosed is a phase shift circuit including an input circuit for generating first to fourth internal signals based on an in-phase signal, a complementary in-phase signal, a quadrature phase signal, and a complementary quadrature phase signal and a switching circuit for outputting first to fourth shift signals based on the first to fourth internal signals. The input circuit includes a first transistor connected between a ground node and a first node to operate based on the in-phase signal and the first bias signal, a second transistor connected between the ground node and a second node to operate based on the complementary in-phase signal and the first bias signal, a third transistor connected between the ground node and the first node to operate based on the second bias signal, and a fourth transistor connected between the ground node and the second node to operate based on the second bias signal.
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Patent Agency Ranking
公开(公告)号：US12107555B2
公开(公告)日：2024-10-01
申请号：US17317483
申请日：2021-05-11
Inventor： Min Park , Jang Hong Choi , Bon Tae Koo , Kisu Kim , Kyung Hwan Park
CPC classification number: H03F3/245 , H03F3/2171 , H03G3/3042 , H03F2200/451
Abstract: Provided is a drive amplifier. A drive amplifier may include: a main circuit configured to receive an RF input signal and output a first RF output signal; and a selective bias adjustment circuit comprising a first common gate transistor to which a first common gate bias voltage is applied and a second common gate transistor to which a second common gate bias voltage is applied, and configured to output a second RF output signal using the first common gate transistor and the second common gate transistor.
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公开(公告)号：US11933910B2
公开(公告)日：2024-03-19
申请号：US17481894
申请日：2021-09-22
Inventor： Pil Jae Park , Seongdo Kim , Bon Tae Koo
CPC classification number: G01S7/34 , G01S13/888
Abstract: Disclosed is a pulse radar apparatus including a clock generator generating a transmission clock signal, a reception clock signal, and a sensitivity adjustment interval signal, a transmitter radiating a transmission pulse based on the transmission clock signal, and a receiver receiving a first pulse and a second pulse, which are associated with the transmission pulse, with different sensitivities based on the reception clock signal and the sensitivity adjustment interval signal.
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公开(公告)号：US11520005B2
公开(公告)日：2022-12-06
申请号：US17159366
申请日：2021-01-27
Inventor： Pil Jae Park , Bon Tae Koo , Seongdo Kim
Abstract: Disclosed are a pulse radar apparatus that detects a position and a motion of a target, and an operating method thereof. The pulse radar apparatus includes a clock signal generator that outputs a transmission clock signal and a reception clock signal, a transmitter that generates a first signal, a receiver that receives an echo signal and the reception clock signal, and generates a second signal, and a signal processor that converts the second signal into a digital signal and analyzes the digital signal. The clock signal generator controls a transmission-to-reception clock delay, and generates a synchronization signal. The signal processor converts the digital signal into a representative value and analyzes the second signal using the representative value. The representative value is one of an accumulated sum of the digital signal in a time duration between synchronization signals and an average value of the digital signal in the time duration between synchronization signals.
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19.发明授权公开(公告)号：US11481470B2
公开(公告)日：2022-10-25
申请号：US16897774
申请日：2020-06-10
Inventor： Youngseok Baek , Ik Soo Eo , Bon Tae Koo
IPC: G06F17/14
Abstract: Provided is a fast Fourier transform device for analyzing specific frequency components of an input signal. The fast Fourier transform device includes an address generator that generates an address, based on a first frequency index corresponding to a first frequency, an FFT coefficient table that outputs a first Fourier transform coefficient corresponding to the generated address among Fourier transform coefficients of the first frequency index, and an operator that calculates a frequency characteristic of an input signal associated with the first frequency, based on the input signal and the first Fourier transform coefficient.
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公开(公告)号：US10819129B2
公开(公告)日：2020-10-27
申请号：US15933853
申请日：2018-03-23
Inventor： Ja Yol Lee , Bon Tae Koo
IPC: H02J7/00 , G01R31/3842
Abstract: Provided is a battery charging system including a battery gauge configured to scale down to indicate a charging capacity of a battery, a charging mode switching unit configured to monitor a charging state of the battery gauge, switch a charging mode according to the charging state of the battery gauge, and charge the battery according to the switched charging mode, and a battery charging control unit configured to receive a charging current input to the battery gauge and a battery charging current input to the battery, and control the charging mode switching unit.
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