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公开(公告)号：US20200295848A1
公开(公告)日：2020-09-17
申请号：US16816109
申请日：2020-03-11
Inventor： Tae Wook KANG , Sung Eun KIM , Kwang IL OH , Hyuk KIM , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
Abstract: Provided are a human body communication device and an operating method of the same. The human body communication device according to an embodiment of the inventive concept includes a first electrode, a second electrode, a transmitting circuit, a receiving circuit, a ground electrode, and a switch. The transmitting circuit generates a first signal in a transmitting mode and transmits the first signal to the first electrode. The receiving circuit receives a second signal from the first electrode in the receiving mode. The receiving circuit includes a differential amplifier that amplifies a difference between a voltage level of a first input terminal depending on the second signal and a voltage level of a second input terminal. The switch electrically connects the second electrode and the ground electrode in the transmitting mode, and electrically connects the second electrode and the second input terminal in the receiving mode.
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公开(公告)号：US20200260957A1
公开(公告)日：2020-08-20
申请号：US16794718
申请日：2020-02-19
Inventor： Sung Eun KIM , Kwang IL OH , Tae Wook KANG , Hyuk KIM , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
IPC: A61B5/00
Abstract: The human body sensing device includes a contact sensing unit that includes a sensing electrode and a signal electrode, an activation module that senses a contact with a body through the sensing electrode when the sensing electrode and the signal electrode contact the body and outputs a wake-up signal in response to the sensing of the contact, and a human body communication unit that provides a ground voltage to the signal electrode and outputs a data signal to the signal electrode when the wake-up signal from the activation module is received.
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公开(公告)号：US20200259569A1
公开(公告)日：2020-08-13
申请号：US16784151
申请日：2020-02-06
Inventor： Kwang IL OH , Sung Eun KIM , Tae Wook KANG , Hyuk KIM , Mi Jeong PARK , Hyung-IL PARK , Kyung Jin BYUN , Jae-Jin LEE , In Gi LIM
Abstract: Provided is a receiver. The receiver according to the inventive concept includes a first filter circuit, a second filter circuit, and an amplifier. The first filter circuit provides a first path for first frequency components below first cutoff frequency of input frequency components and passes second frequency components except for the first frequency components of the input frequency components through second path. The second filter circuit attenuates third frequency components below a second cutoff frequency of the second frequency components. The amplifier amplifies the second frequency components including the attenuated third frequency components.
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14.发明申请METHOD OF TRANSFERRING EXTRINSIC INFORMATION OF TURBO DECODER AND APPARATUS USING THE SAME 审中-公开传输涡轮解码器的外部信息的方法及其使用方法公开(公告)号：US20140258814A1
公开(公告)日：2014-09-11
申请号：US14194235
申请日：2014-02-28
Inventor： In-San JEON , Hyuk KIM , Seong-Min KIM
CPC classification number: H04L1/0054 , H03M13/3905 , H03M13/395 , H04L1/005 , H04L1/0052
Abstract: Disclosed herein is a method and apparatus for transferring extrinsic information of a turbo decoder. In the method of transferring the extrinsic information of the turbo decoder according to the present invention, Log-Likelihood Ratio (LLR) values for input bits of the turbo decoder are calculated. The LLR values are transferred as extrinsic information values.
Abstract translation: 本文公开了一种用于传送turbo解码器的外部信息的方法和装置。 在根据本发明的传送turbo解码器的外在信息的方法中，计算turbo解码器的输入比特的对数似然比（LLR）值。 LLR值作为外部信息值传送。
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公开(公告)号：US20250070808A1
公开(公告)日：2025-02-27
申请号：US18663409
申请日：2024-05-14
Inventor： Sung Eun KIM , Tae Wook KANG , Hyuk KIM , Young Hwan BAE , Kyung Jin BYUN , Kwang IL OH , Jae-Jin LEE , In San JEON
Abstract: Disclosed is a wake-up circuit including a preprocessing unit that generates a first signal by removing noise from an input signal, a comparison unit that generates a second signal based on the first signal and weight data, an output circuit that generates a power signal based on the second signal and an initialization signal, and a micro control unit (MCU) that generates the initialization signal based on a state signal received from the output circuit. The comparison unit includes a spike neuron network structure that generates the second signal by applying the weight data to the first signal. The output circuit supplies power to an external sensor node in response to the power signal.
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Patent Agency Ranking
16.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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公开(公告)号：US20230259745A1
公开(公告)日：2023-08-17
申请号：US17990167
申请日：2022-11-18
Inventor： Kwang IL OH , Jae-Jin LEE , Tae Wook KANG , Hyuk KIM , In San JEON
CPC classification number: G06N3/049 , G06N3/0472 , G06N3/063 , G06F7/58
Abstract: Disclosed is a spike neural network circuit including an axon circuit that generates a first input spike signal, a conversion table that converts a first fire probability of a first neuron corresponding to the first input spike signal into a first threshold value, and a probabilistic operator. The probabilistic operator includes a random number generator that generates a random number value based on an event that the first input spike signal is at a first logic level, a random number comparator that generates a first comparison signal by comparing the first threshold value with the random number value, and a spike generator that generates an output spike signal corresponding to the first neuron based on an event that the first comparison signal is at the first logic level.
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公开(公告)号：US20230068675A1
公开(公告)日：2023-03-02
申请号：US17895532
申请日：2022-08-25
Inventor： Sung Eun KIM , Tae Wook KANG , Hyuk KIM , Young Hwan BAE , Kyung Jin BYUN , Kwang IL OH , Jae-Jin LEE , In San JEON
Abstract: Disclosed is an encoder including event layer outputs first and second event signals, weight layer applies first and second weights to the first and second event signals respectively, and provides the first event signal in which the first weight is applied and the second event signal in which the second weight is applied to first node, and first spike generation circuit generates first input spike signal of which firing period is changed based on voltage level of the first node. The voltage level of the first node is reduced continuously, increases for first voltage corresponding to the first weight in response to the first event signal activated, and increases for second voltage corresponding to the second weight in response to the second event signal activated.
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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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20.发明申请公开(公告)号：US20210314011A1
公开(公告)日：2021-10-07
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
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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