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公开(公告)号：US12206420B2
公开(公告)日：2025-01-21
申请号：US18223101
申请日：2023-07-18
Inventor： Yi-Gyeong Kim , Young-Su Kwon , Su-Jin Park , Young-Deuk Jeon , Min-Hyung Cho , Jae-Woong Choi
Abstract: Disclosed herein are a duty cycle monitoring method and apparatus for a memory interface, including receiving a clock signal as input and generating a first delay time offset and a second delay time offset, receiving the clock signal and the first delay time offset and then outputting a first delayed signal, receiving the first delayed signal and the second delay time offset and then outputting a second delayed signal, receiving the clock signal and the second delayed signal and then outputting a delay value corresponding to a half-period of the clock signal, and monitoring, based on the first delayed signal, whether a duty cycle of the clock signal conforms to a duty cycle specification.
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2.发明授权Current-voltage conversion amplifier circuit including multiplier with a current offset removal unit and multi input amplifier 有权电流 - 电压转换放大器电路包括具有电流偏移去除单元和多输入放大器的乘法器公开(公告)号：US09543907B2
公开(公告)日：2017-01-10
申请号：US14605877
申请日：2015-01-26
Inventor： Young-deuk Jeon , Jung Hee Suk , Chun-Gi Lyuh , Yi-Gyeong Kim , Jong Pil Im , Min-Hyung Cho
CPC classification number: H03F3/082 , H03F3/087 , H03F3/45475 , H03F2203/45088 , H03F2203/45514 , H03F2203/45551 , H03F2203/45614 , H03G3/008 , H03M1/121
Abstract: Provided is a current-voltage conversion amplifier circuit including: a plurality of light receiving devices generating a current signal proportional to an amount of light by receiving the light; multipliers amplifying the current signal, converting the amplified current signal into a first voltage signal, outputting the amplified current signal, or outputting the converted first voltage signal; multi input amplifiers outputting first and second output voltage pairs through a process for receiving output values of multipliers and an offset voltage and amplifying the received output values and offset voltage; a multiplexing unit selecting and outputting one first and second output voltage pair among the first and second output voltage pairs outputted from multi input amplifiers; and a signal conversion unit converting a difference value between first and second output voltages outputted from the multiplexing unit and outputting the converted digital signal.
Abstract translation: 提供了一种电流 - 电压转换放大器电路，包括：多个光接收装置，通过接收光产生与光量成比例的电流信号; 放大电流信号的乘法器，将放大的电流信号转换成第一电压信号，输出放大的电流信号或输出转换的第一电压信号; 多输入放大器，通过用于接收乘法器的输出值和偏移电压的过程输出第一和第二输出电压对，并放大所接收的输出值和失调电压; 多路复用单元，从多输入放大器输出的第一和第二输出电压对中选择并输出一个第一和第二输出电压对; 以及信号转换单元，转换从多路复用单元输出的第一和第二输出电压之间的差值，并输出转换的数字信号。
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公开(公告)号：US10154225B2
公开(公告)日：2018-12-11
申请号：US15653358
申请日：2017-07-18
Inventor： Chun-Gi Lyuh , Yi-Gyeong Kim , Jung Hee Suk , Young-Deuk Jeon , Min-Hyung Cho
Abstract: The present disclosure relates to a frame grabber, an image processing system, and an image processing method. A frame grabber according to an embodiment of the inventive concept includes a plurality of decoders, a plurality of image controllers, a plurality of memories, a synchronization controller, and a synchronization memory. The plurality of decoders generate a plurality of image data by decoding a plurality of image signals. The plurality of image controllers generate a plurality of pixel data and a plurality of frame information data on the basis of the plurality of image data. The plurality of memories store the plurality of pixel data. The synchronization controller receives the plurality of frame information data, and generates synchronization data on the basis of the plurality of frame information data. The synchronization memory stores the frame information data and the synchronization data.
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公开(公告)号：US09614505B1
公开(公告)日：2017-04-04
申请号：US15232701
申请日：2016-08-09
Inventor： Min-Hyung Cho , Yi-Gyeong Kim , Chun-Gi Lyuh , Young-deuk Jeon
IPC: H03K5/12 , H03K5/04 , H03K17/687
CPC classification number: H03K5/04 , G11C29/023 , G11C29/028 , H03K17/08142 , H03K17/687 , H03K2217/0063 , H03K2217/0072
Abstract: A differential driving circuit according to embodiments of the inventive may include a first driver drives a first pad to a first voltage according to a first driving signal, a second driver drives a second pad to a second voltage according to a second driving signal, a first and second capacitors for receiving a first and second voltage changes of the first and the second pad at one end thereof respectively to transmit the first and the second voltage change to the other end thereof respectively in a transition interval in which voltages of the first and second pads are changed, transition interval voltage adder circuit adds voltages respectively transmitted thereto through the first and second capacitors, and a transition interval asymmetry compensation circuit adjusts a slope of at least one of the first and second driving signals according to the added voltage.
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公开(公告)号：US10396740B2
公开(公告)日：2019-08-27
申请号：US15684625
申请日：2017-08-23
Inventor： Yi-Gyeong Kim , Woo Seok Yang , Min-Hyung Cho
Abstract: The present disclosure relates to a microphone driving device and a digital microphone including the same. A microphone driving device according to an embodiment of the inventive concept includes a voltage-to-current converter, a current-to-voltage converter, an analog-to-digital converter, a digital amplification unit, and a gain controller. The voltage-to-current converter converts an acoustic signal to an output current signal based on a gain control signal. The current-to-voltage converter converts the output current signal to an amplified voltage signal. The analog-to-digital converter converts the amplified voltage signal to a digital signal. The digital amplification unit amplifies the digital signal to an amplified digital signal based on the gain control signal. The gain controller generates a gain control signal. The microphone driving device and the digital microphone including the same according to the inventive concept may have a wide dynamic range and reduce the influence of noise.
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Patent Agency Ranking
公开(公告)号：US12231100B2
公开(公告)日：2025-02-18
申请号：US17903112
申请日：2022-09-06
Inventor： Yi-Gyeong Kim , Young-Deuk Jeon , Young-Su Kwon , Jin-Ho Han
Abstract: An apparatus for receiving a strobe signal may include an amplifier for amplifying a strobe signal input thereto, an offset generator for controlling the setting of a threshold for detecting a preamble signal by generating an offset for the amplifier, and a preamble detector for detecting a first preamble signal occurring at a point at which the amplified strobe signal is equal to or greater than the threshold and turning off the offset generator when the first preamble signal is detected.
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公开(公告)号：US20190319599A1
公开(公告)日：2019-10-17
申请号：US16137378
申请日：2018-09-20
Inventor： Hyunjoong Lee , Yi-Gyeong Kim , Yil Suk Yang , Woo Seok Yang , Chang Han Je
Abstract: A resonator-based sensor and a sensing method thereof for sensing a change in a material that is subject to be sensed which include: generating an oscillation voltage signal by amplifying a current signal output from a resonator in accordance with a physical-chemical change of the material; and generating a gain control signal corresponding to a motional resistance and a clock signal corresponding to a resonant frequency of the resonator are provided.
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公开(公告)号：US10663974B2
公开(公告)日：2020-05-26
申请号：US15804992
申请日：2017-11-06
Inventor： Jung Hee Suk , Yi-Gyeong Kim , Chun-Gi Lyuh , Young-Deuk Jeon , Min-Hyung Cho
Abstract: Provided are an object recognition device, an autonomous driving system including the same, and an object recognition method using the object recognition device. The object recognition device includes an object frame information generation unit, a frame analysis unit, an object priority calculator, a frame complexity calculator, and a mode control unit. The object frame information generation unit generates object frame information based on a mode control signal. The frame analysis unit generates object tracking information based on object frame information. The object priority calculator generates based on object tracking information. The frame complexity calculator generates a frame complexity based on object tracking information. The mode control unit generates a mode control signal for adjusting an object recognition range and a calculation amount of the object frame information generation unit based on the priority information, the frame complexity, and the resource occupation state.
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9.发明授权公开(公告)号：US09692437B2
公开(公告)日：2017-06-27
申请号：US15083096
申请日：2016-03-28
Inventor： Young-deuk Jeon , Min-Hyung Cho , Yi-Gyeong Kim , Chun-Gi Lyuh
Abstract: Provided is an analog-to-digital converting device. The analog-to-digital converting device may include a determination circuit that determination whether a reference digital signal or a determination digital signal obtained by conversion of a reference voltage or a determination voltage matches a test pattern for the reference voltage, and it is possible to monitor whether the analog-to-digital converting device normally operates, according to whether there is matching.
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10.发明授权Sensor signal processing device and readout integrated circuit including the same 有权传感器信号处理装置和读出集成电路包括相同公开(公告)号：US09395213B2
公开(公告)日：2016-07-19
申请号：US14179508
申请日：2014-02-12
Inventor： Young-deuk Jeon , Min-Hyung Cho , Yi-Gyeong Kim
CPC classification number: G01D5/24 , G01D3/0365
Abstract: Provided is a readout integrated circuit including a sensor signal processing unit receiving sensor signals from a plurality of sensors and converting respectively the sensor signals into voltage signals, a signal converting unit respectively converting the voltage signals into digital signals, a digital signal processing unit outputting digital signals processed in response to the voltage signals and a switching control signal, a power supplying unit generating an internal voltage for operating the signal converting unit and the digital signal processing unit, and a reference sensing voltage for operating the sensor signal processing unit, and a switch unit operating in response to the switching control signal, wherein the switch unit includes switches respectively corresponding to the plurality of sensors and a current amount applied to each sensor is adjusted in response to operation times of the switches.
Abstract translation: 提供了一种读出集成电路，包括：传感器信号处理单元，接收来自多个传感器的传感器信号，并将传感器信号分别转换为电压信号;信号转换单元，分别将电压信号转换为数字信号;数字信号处理单元，输出数字信号 响应于电压信号处理的信号和开关控制信号，产生用于操作信号转换单元和数字信号处理单元的内部电压的供电单元和用于操作传感器信号处理单元的参考感测电压，以及 开关单元响应于切换控制信号而工作，其中开关单元包括分别对应于多个传感器的开关，并且响应于开关的操作时间来调整施加到每个传感器的电流量。
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