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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：US11424775B2
公开(公告)日：2022-08-23
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：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：US10430301B2
公开(公告)日：2019-10-01
申请号：US15432588
申请日：2017-02-14
Inventor： Young-Su Kwon , Kyung Jin Byun , Nak Woong Eum
Abstract: Provided is a processor system including a first processor driven by a first driving voltage and a first driving clock, a second processor driven by a second driving voltage and a second driving clock and configured to perform an identical task to the first processor, and a defect detector configured to perform level synchronization or clock domain synchronization on a first output signal provided from the first processor and a second output signal provided from the second processor to compare the first and second output signals, wherein the first and second driving voltages are respectively provided from mutually independent power supply sources and the first and second driving clocks are respectively provided from mutually independent clock generators.
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公开(公告)号：US09510021B2
公开(公告)日：2016-11-29
申请号：US14286822
申请日：2014-05-23
Inventor： Seunghyun Cho , Hyun Mi Kim , Kyung Jin Byun , Nak Woong Eum
IPC: H04N19/86 , H04N19/423
CPC classification number: H04N19/86 , H04N19/423
Abstract: Provided is a method for a plurality of processing elements to filter a plurality of pixel blocks in a plurality of picture partitions for a single frame image. The method for filtering pixel blocks includes: checking the status of a second boundary pixel block adjacent to a picture partition boundary, the second boundary pixel block being one of a plurality of pixel blocks in a second picture partition and neighboring a first boundary pixel block in a first picture partition, the first boundary pixel block neighboring the picture partition boundary; selecting a filtering area for the first boundary pixel block based on the status of the second boundary pixel block; and filtering the filtering area for the first boundary pixel block.
Abstract translation: 提供了一种用于多个处理元件的滤波方法，用于对用于单帧图像的多个图像分区中的多个像素块进行滤波。 用于滤波像素块的方法包括：检查与图像分区边界相邻的第二边界像素块的状态，第二边界像素块是第二图像分区中的多个像素块中的一个，并且邻近第一边界像素块 第一图像分区，与图像分区边界相邻的第一边界像素块; 基于第二边界像素块的状态为第一边界像素块选择滤波区域; 并对第一边界像素块的滤波区域进行滤波。
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Patent Agency Ranking
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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公开(公告)号：US11642026B2
公开(公告)日：2023-05-09
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
CPC classification number: A61B5/0028 , A61B5/117 , A61B5/683 , G06F3/03 , G06F3/044 , A61B2560/0209
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：US11509403B2
公开(公告)日：2022-11-22
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：US11470018B2
公开(公告)日：2022-10-11
申请号：US16556905
申请日：2019-08-30
Inventor： Kyuseung Han , Sukho Lee , Jae-Jin Lee , Sang Pil Kim , Young Hwan Bae , Kyung Jin Byun
IPC: H04L49/109 , H04L12/42 , G06F11/07
Abstract: Provided is a system-on-chip. A central controller is configured to, in response to a request from a host, generate a first signal for requesting error information related to an error from a design of an IP. A local controller is configured to generate a second signal including the error information of the target IP if the request from the host is determined to be for the target IP based on the first signal.
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公开(公告)号：US11418267B2
公开(公告)日：2022-08-16
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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