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公开(公告)号：US20220109808A1
公开(公告)日：2022-04-07
申请号：US17399603
申请日：2021-08-11
Inventor： Sukho LEE , Sang Pil KIM , Young Hwan BAE , Jae-Jin LEE , Kyuseung HAN , Tae Wook KANG , Sung Eun KIM , Hyuk KIM , Kyung Hwan PARK , Hyung-IL PARK , Kyung Jin BYUN , Kwang IL OH , In Gi LIM
Abstract: Disclosed is a network-on-chip including a first data converter that receives first image data and second image data from at least one image sensor and encodes one image data among the first image data and the second image data, into first data, based on whether the first image data is identical to the second image data and a second data converter that receives non-image data from at least one non-image sensor and encodes the received non-image data into second data. The network-on-chip outputs the first data and the second data to transmit the first data and the second data to an external server at a burst length.
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公开(公告)号：US20230073663A1
公开(公告)日：2023-03-09
申请号：US17845681
申请日：2022-06-21
Inventor： Kwang IL OH , Hyung-IL PARK , Hyuk KIM
Abstract: Disclosed are a biosignal receiving device and a method thereof. The biosignal receiving device used in a communication system using a human body as a medium includes a receiving electrode unit including a plurality of receiving electrodes, an input selection unit including two MUXs for selecting one of the plurality of receiving electrodes, and that output biosignals received by the selected electrodes, a filter that removes noise included in the biosignals and output filtered signals from which the noise is removed, a differential amplifier that amplifies a difference between the filtered signals and output amplified signals, a CDR circuit that generates a data signal and a clock signal from the amplified signals and outputs the data signal and the clock signal, and a controller that output selection signals for selecting one of the plurality of receiving electrodes, based on the data signal and the clock signal.
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公开(公告)号：US20200315438A1
公开(公告)日：2020-10-08
申请号：US16842497
申请日：2020-04-07
Inventor： Kwang IL OH , Tae Wook KANG , Sung Eun KIM , Hyuk KIM , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
Abstract: A capsule endoscope image receiver includes a receiving electrode unit that receives first and second differential signals from a capsule endoscope image transmitter through a human body communication channel, an analog amplifying unit that receives the first and second differential signals and outputs first and second amplified differential signals, and a signal restoring unit that receives the first and second amplified differential signals and restores image information. The analog amplifying unit includes a first amplifier that outputs the first amplified differential signal, a second amplifier that outputs the second amplified differential signal, and an input impedance that is connected between a first inverting input terminal of the first amplifier and a second inverting input terminal of the second amplifier and obtains a gain of differential signal amplification in which a high frequency component of the first and second amplified differential signals is greater than a low frequency component.
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公开(公告)号：US20190307318A1
公开(公告)日：2019-10-10
申请号：US16378472
申请日：2019-04-08
Inventor： Kwang IL OH , Hyung-IL PARK , Tae Wook KANG , Sung Eun KIM , Mi Jeong PARK , Jae-Jin LEE , In Gi LIM
Abstract: Provided are a capsule endoscopic receiving device, a capsule endoscope system including the same, and an operating method of the capsule endoscopic receiving device, the capsule endoscopic receiving device including an analog front end configured to receive a preamble from one receiving electrode pair from among a plurality of receiving electrodes, a valid signal detection circuit configured to compare a reference voltage with input data generated on a basis of a voltage level of the preamble, and a preamble processor configured to select a final electrode pair configured to receive the image data on a basis of a correlation value of the preamble and a comparison result of the input data and the reference voltage. According to the inventive concept, stability of receiving image data may be secured by selecting an optimal receiving electrode pair.
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5.发明公开公开(公告)号：US20240097799A1
公开(公告)日：2024-03-21
申请号：US18341507
申请日：2023-06-26
Inventor： Sung Eun KIM , Tae Wook KANG , Hyuk KIM , Kyung Hwan PARK , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Kwang IL OH , Jae-Jin LEE , In Gi LIM
CPC classification number: H04B13/005 , H03F3/19 , H03F2200/165 , H03F2200/171 , H03F2200/451
Abstract: Disclosed is an amplification circuit, which includes a first amplifier that receives an external signal and performs first band pass filtering on the external signal to output a first filter signal, and a second amplifier that receives the first filter signal and performs second band pass filtering on the first filter signal to output a second filter signal, and a frequency pass bandwidth of the second band pass filtering is narrower than a frequency pass bandwidth of the first band pass filtering.
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Patent Agency Ranking
公开(公告)号：US20210384929A1
公开(公告)日：2021-12-09
申请号：US17237848
申请日：2021-04-22
Inventor： Kwang IL OH , Tae Wook KANG , Sung Eun KIM , Hyuk KIM , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
Abstract: Disclosed are a human body communication receiver and an operating method thereof, which may effectively remove low frequency noise. The human body communication receiver according to the present disclosure includes a receiving electrode, a virtual electrode, a filter circuit that is connected between the receiving electrode and the virtual electrode, and removes low frequency noise from a signal received through the receiving electrode to generate a high frequency signal, a low frequency reconstruction circuit that is connected to a rear end of the filter circuit and reconstructs a low frequency baseband signal by rectifying the high frequency signal, and an amplifying circuit that is connected to a rear end of the low frequency reconstruction circuit, and amplifies the low frequency baseband signal.
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公开(公告)号：US20200382223A1
公开(公告)日：2020-12-03
申请号：US16881657
申请日：2020-05-22
Inventor： Hyuk KIM , Hyung-IL PARK , Tae Wook KANG , Sung Eun KIM , Mi Jeong PARK , Kyung Jin BYUN , Kwang IL OH , Jae-Jin LEE , In Gi LIM
IPC: H04B13/00 , G06F16/9535 , G06F3/044 , H04B5/00
Abstract: A user device connected to an edge device, based on a touch of a user includes an electrode in touch with a body of the user, a human body communication module that receives a first signal from the edge device through the body and the electrode, an operation processing module that acquires identification information, location information, version information of the edge device, and time information at which the first signal is received, from the first signal, and a memory module that stores the identification information, the location information, the version information, and the time information, as part of life log information.
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公开(公告)号：US20190335984A1
公开(公告)日：2019-11-07
申请号：US16402164
申请日：2019-05-02
Inventor： Mi Jeong PARK , Hyung-IL PARK , Tae Wook KANG , Sung Eun KIM , Hyuk KIM , Kwang IL OH , Jae-Jin LEE , In Gi LIM
Abstract: Provided is and electrode selection device communicating with a capsule endoscope. The device includes an analog front end configured to recover first data based on first signals transmitted from the capsule endoscope to a first electrode and a second electrode, recover second data based on second signals transmitted from the capsule endoscope to the first electrode and a third electrode, and recover third data based on third signals transmitted from the capsule endoscope to the second electrode and the third electrode, and a digital receiver configured to calculate a first correlation value between the first and second electrodes, a second correlation value between the first and third electrodes, and a third correlation value between the second and third electrodes based on the first to third data. The digital receiver calculates, among the first to third correlation values, a first correlation sum obtained by adding first and second correlation values generated using the first electrode, a second correlation sum obtained by adding the first and third correlation values generated using the second electrode, and a third correlation sum obtained by adding the second and third correlation values generated using the third electrode, and selects a receiving electrode pair among the first to third electrodes based on the first to third correlation sums.
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公开(公告)号：US20180211165A1
公开(公告)日：2018-07-26
申请号：US15828153
申请日：2017-11-30
Inventor： Kwang IL OH , Sung Eun KIM , Seong Mo PARK , Hyung-IL PARK , Joo Hyun LEE
CPC classification number: G06N3/08 , G06N3/04 , G06N3/063 , H03K3/017 , H03K3/0315 , H03K21/026
Abstract: Provided is a neuromorphic arithmetic device. The neuromorphic arithmetic device may include a synapse circuit, a metal line having an inherent capacitance component, an oscillator, a comparator, and a capacitance calibrator. The synapse circuit may be configured to perform a multiplication operation on a PWM signal and a weight to generate a current. The metal line may include a metal line capacitor in which a charge of the current is stored. The oscillator generates a plurality of pulses on the basis of the charge stored in the metal line capacitor. The comparator may compare a frequency of the plurality of pulses and a target frequency, and may generate a control signal on the basis of a result of the comparison. The capacitance calibrator may adjust a capacitance value of the metal line capacitor on the basis of the control signal.
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公开(公告)号：US20210126716A1
公开(公告)日：2021-04-29
申请号：US17020400
申请日：2020-09-14
Inventor： Sung Eun KIM , Tae Wook KANG , Hyuk KIM , Kwang IL OH , Kyung Hwan PARK , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
Abstract: A human body communication device includes an electrode, a matching circuit, a switch providing a first path electrically connected to the matching circuit and a second path electrically connected to the matching circuit, a sensor, in a first state, connected to the matching circuit through the switch, outputting a first sensing signal to the matching circuit, and outputting a second sensing signal when a difference between a signal generated from the matching circuit in response to the first sensing signal and the first sensing signal is greater than or equal to a threshold, a transmitter, in a second state, connected to the matching circuit through the switch, and outputting a data signal to the matching circuit, and a controller controlling the switch from the first state to the second state in response to receiving the second sensing signal from the sensor, in the first state.
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