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公开(公告)号:US11923882B2
公开(公告)日:2024-03-05
申请号:US17212252
申请日:2021-03-25
Inventor: Tae Wook Kang , Sung Eun Kim , Hyung-Il Park , Jae-Jin Lee , Hyuk Kim , Kyung Hwan Park , Mi Jeong Park , Kyung Jin Byun , Kwang Il Oh , In Gi Lim
CPC classification number: H04B1/18 , H04B5/0031 , H04B13/005
Abstract: A hybrid communication device, an operation method thereof, and a communication system including the same are provided. The hybrid communication device includes a contact unit that includes an antenna for receiving a first communication signal and an electrode for receiving a second signal, a switch controller that includes a first switch and a second switch and controls the first switch and the second switch based on a change in capacitance of the electrode, and a signal processing unit that receives at least one of the first communication signal and the second communication signal from the contact unit via the first switch and processes the received signal. The first switch is connected to the contact unit, and the signal processing unit is connected to the first switch.
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公开(公告)号:US11715201B2
公开(公告)日:2023-08-01
申请号:US17339574
申请日:2021-06-04
Inventor: Kwang Il Oh , Tae Wook Kang , Sung Eun Kim , Mi Jeong Park , Seong Mo Park , Hyung-Il Park , Jae-Jin Lee , In Gi Lim
IPC: G06T7/00 , A61B1/00 , A61B5/00 , A61B1/04 , G16H30/20 , G06N3/08 , G16H50/70 , G16H30/40 , G06N3/049 , G06N3/045
CPC classification number: G06T7/0012 , A61B1/0002 , A61B1/00006 , A61B1/00016 , A61B1/00032 , A61B1/00036 , A61B1/000094 , A61B1/000096 , A61B1/041 , A61B5/7264 , G06N3/045 , G06N3/049 , G06N3/08 , G16H30/20 , G16H30/40 , G16H50/70 , A61B5/0028 , G06T2207/10068 , G06T2207/20084 , G06T2207/30028 , G06T2207/30092 , G06T2207/30096
Abstract: Provided is a capsule endoscope. The capsule endoscope includes: an imaging device configured to perform imaging on a digestive tract in vivo to generate an image; an artificial neural network configured to determine whether there is a lesion area in the image; and a transmitter configured to transmit the image based on a determination result of the artificial neural network.
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公开(公告)号:US10762215B2
公开(公告)日:2020-09-01
申请号:US15828066
申请日:2017-11-30
Inventor: Tae Wook Kang , Kwang Il Oh , Sung Eun Kim , Sung Weon Kang , Hyung-Il Park , Jung Bum Kim , Mi Jeong Park , Seong Mo Park , In Gi Lim , Byounggun Choi
Abstract: Provided is an operating method of a wearable device, the method including setting a threshold voltage when there is not a physical contact of an outsider, measuring an envelope voltage while performing a data communication, determining whether to be the physical contact with the outsider by comparing the threshold voltage with the envelope voltage, and stopping the data communication, when there is the physical contact with the outsider.
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公开(公告)号:US20180189500A1
公开(公告)日:2018-07-05
申请号:US15828066
申请日:2017-11-30
Inventor: Tae Wook Kang , Kwang Il Oh , Sung Eun Kim , Sung Weon Kang , Hyung-Il Park , Jung Bum Kim , Mi Jeong Park , Seong Mo Park , In Gi Lim , Byounggun Choi
Abstract: Provided is an operating method of a wearable device, the method including setting a threshold voltage when there is not a physical contact of an outsider, measuring an envelope voltage while performing a data communication, determining whether to be the physical contact with the outsider by comparing the threshold voltage with the envelope voltage, and stopping the data communication, when there is the physical contact with the outsider.
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公开(公告)号:US11478137B2
公开(公告)日:2022-10-25
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:US11298009B2
公开(公告)日:2022-04-12
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 first to third correlation sums, and selects a receiving electrode pair based on the first to third correlation sums.
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公开(公告)号:US11233583B2
公开(公告)日:2022-01-25
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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公开(公告)号:US11216747B2
公开(公告)日:2022-01-04
申请号:US16379464
申请日:2019-04-09
Inventor: Sung Eun Kim , Seong Mo Park , Kwang IL Oh , Tae Wook Kang , Mi Jeong Park , Hyung-IL Park , Jae-Jin Lee , In Gi Lim
Abstract: Provided is an artificial intelligence system. The system includes a first sensor configured to generate a first sensing signal during a sensing time, a second sensor disposed adjacent to the first sensor and configured to generate a second sensing signal during the sensing time, a pre-processing unit configured to select valid data according to a magnitude of a differential signal generated based on a difference between the first sensing signal and the second sensing signal, and an artificial intelligence module configured to analyze the valid data to generate result data.
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公开(公告)号:US10659172B2
公开(公告)日:2020-05-19
申请号:US15616788
申请日:2017-06-07
Inventor: In Gi Lim , Hyung-Il Park , Sung Weon Kang , Tae Wook Kang , Sung Eun Kim , Jung Bum Kim , Mi Jeong Park , Seong Mo Park , Kwang Il Oh , Byounggun Choi
IPC: A61B1/00 , A61B1/04 , H04B13/00 , H04J13/00 , H04J13/10 , H04J3/06 , H04J3/16 , H04L5/00 , H04L7/04 , H04N5/225
Abstract: The present disclosure relates to a capsule endoscope transmitter configured to transmit frames including control frames and data frames to a capsule endoscope receiver. The capsule endoscope transmitter includes a preamble generator configured to generate preambles for synchronizing and identifying the control frames used to select a reception electrode pair that receives the frames, and a line sync generator configured to generate a line sync for synchronizing the data frames and identifying a code value of each of the data frames.
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公开(公告)号:US12225464B2
公开(公告)日:2025-02-11
申请号:US17552766
申请日:2021-12-16
Inventor: Hyuk Kim , Hyung-Il Park , Tae Wook Kang , Sung Eun Kim , Mi Jeong Park , Kyung Jin Byun , Kwang Il Oh , Sukho Lee , Jae-Jin Lee , In Gi Lim , Kyuseung Han
Abstract: Disclosed is an operating method of a user communication device, which includes receiving a wakeup signal from a stationary communication device over a first human body communication channel, the wakeup signal having a frequency in a low frequency band, switching from a standby mode to a wakeup mode in response to the wakeup signal, and receiving a data signal from the stationary communication device over the first human body communication channel during the wakeup mode, and the first human body communication channel is provided by a body of a user of the user communication device.
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