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公开(公告)号：US20200177195A1
公开(公告)日：2020-06-04
申请号：US16701482
申请日：2019-12-03
Inventor： Young-deuk JEON , MIN-HYUNG CHO , JOO HYUN LEE
Abstract: An analog-to-digital converter includes a capacitor array including capacitors, an amplifier receiving an input current through an input node and integrating the input current, using the capacitor array, in a first mode, a switch array including switches respectively connected to the capacitors, successive approximation logic performing a successive approximation by selectively connecting each of the capacitors to one of a common voltage and a reference voltage through the switches, in a second mode, a comparator comparing the common voltage with an output of the amplifier and output a pulse signal based on the comparison result, a counter counting the pulse signal in the first mode, a register sequentially storing values of the pulse signal, in the second mode, and error correction logic storing an output of the counter as upper bits and an output of the register as lower bits and performing error correction.
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公开(公告)号：US20210303982A1
公开(公告)日：2021-09-30
申请号：US17205433
申请日：2021-03-18
Inventor： Mi Young LEE , Young-deuk JEON , Byung Jo KIM , Ju-Yeob KIM , Jin Kyu KIM , Ki Hyuk PARK , JOO HYUN LEE , MIN-HYUNG CHO
Abstract: Disclosed is a neural network computing device. The neural network computing device includes a neural network accelerator including an analog MAC, a controller controlling the neural network accelerator in one of a first mode and a second mode, and a calibrator that calibrating a gain and a DC offset of the analog MAC. The calibrator includes a memory storing weight data, calibration weight data, and calibration input data, a gain and offset calculator reading the calibration weight data and the calibration input data from the memory, inputting the calibration weight data and the calibration input data to the analog MAC, receiving calibration output data from the analog MAC, and calculating the gain and the DC offset of the analog MAC, and an on-device quantizer reading the weight data, receiving the gain and the DC offset, generating quantized weight data, based on the gain and the DC offset.
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公开(公告)号：US20250052860A1
公开(公告)日：2025-02-13
申请号：US18788357
申请日：2024-07-30
Inventor： Young-deuk JEON , Yi-Gyeong KIM , Kyung Hwan PARK , Sujin PARK , MIN-HYUNG CHO
Abstract: Disclosed is a receiver of a radar device, which includes a sampling circuit that receives a reflected pulse signal having a first period reflected from a detection target and samples the reflected pulse signal as a first received signal in response to a clock signal having a second period equal to the first period, an integration circuit that, in response to the clock signal, generates an analog integration signal based on the first received signal and a control signal, a comparison circuit that, in response to the clock signal, adjusts a count value and the control signal based on a result of comparing the analog integration signal with a reference signal and outputs the control signal to the integration circuit, and an ADC circuit that converts the analog integration signal into a digital integration signal.
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公开(公告)号：US20140079254A1
公开(公告)日：2014-03-20
申请号：US13762300
申请日：2013-02-07
Inventor： Yi-Gyeong KIM , MIN-HYUNG CHO , Tae Moon ROH , Jong-Kee KWON , Woo Seok YANG , JONGDAE KIM
IPC: H04R3/00
CPC classification number: H04R3/00 , H04R19/005 , H04R2201/003 , H04R2410/03
Abstract: An MEMS microphone is provided which includes a reference voltage/current generator configured to generate a DC reference voltage and a reference current; a first noise filter configured to remove a noise of the DC reference voltage; a voltage booster configured to generate a sensor bias voltage using the DC reference voltage the noise of which is removed; a microphone sensor configured to receive the sensor bias voltage and to generate an output value based on a variation in a sound pressure; a bias circuit configured to receive the reference current to generate a bias voltage; and a signal amplification unit configured to receive the bias voltage and the output value of the microphone sensor to amplify the output value. The first noise filter comprises an impedance circuit; a capacitor circuit connected to a output node of the impedance circuit; and a switch connected to both ends of the impedance circuit.
Abstract translation: 提供了一种MEMS麦克风，其包括被配置为产生DC参考电压和参考电流的参考电压/电流发生器; 第一噪声滤波器，被配置为去除所述直流参考电压的噪声; 升压器，被配置为使用其噪声被去除的直流参考电压来产生传感器偏置电压; 麦克风传感器，被配置为接收所述传感器偏置电压并且基于声压的变化产生输出值; 偏置电路，被配置为接收所述参考电流以产生偏置电压; 以及信号放大单元，被配置为接收麦克风传感器的偏置电压和输出值以放大输出值。 第一噪声滤波器包括阻抗电路; 连接到所述阻抗电路的输出节点的电容器电路; 以及连接到阻抗电路的两端的开关。
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Patent Agency Ranking
公开(公告)号：US20220158634A1
公开(公告)日：2022-05-19
申请号：US17484375
申请日：2021-09-24
Inventor： MIN-HYUNG CHO , Young-deuk JEON , In San JEON , Jin Ho HAN
Abstract: Disclosed is a transmitter which includes a channel driver that includes a pull-up transistor and a pull-down transistor connected between a power node and a ground node and outputs a voltage between the pull-up transistor and the pull-down transistor as a transmit signal, and a pre-driver that controls the pull-up transistor and the pull-down transistor in response to a driving signal and controls the channel driver such that the transmit signal is overshot at a rising edge of the driving signal and the transmit signal is undershot at a falling edge of the driving signal.
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6.发明申请ANALOG-TO-DIGITAL CONVERTING DEVICE AND METHOD OF OPERATING ANALOG-TO-DIGITAL CONVERTING DEVICE 有权模拟数字转换器件和操作模拟数字转换器件的方法公开(公告)号：US20160336951A1
公开(公告)日：2016-11-17
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.
Abstract translation: 提供了一种模拟 - 数字转换装置。 模拟数字转换装置可以包括确定电路，其确定参考数字信号或通过转换参考电压或确定电压获得的确定数字信号是否与参考电压的测试模式匹配，并且可以 根据是否存在匹配，监控模数转换设备是否正常运行。
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公开(公告)号：US20220172029A1
公开(公告)日：2022-06-02
申请号：US17536536
申请日：2021-11-29
Inventor： In San JEON , Young-Su KWON , Chun-Gi LYUH , Young-deuk JEON , MIN-HYUNG CHO , Jin Ho HAN
Abstract: Disclosed is a simplified sigmoid function circuit which includes a first circuit that performs a computation on input data based on a simplified sigmoid function when a sign of a real region of the input data is positive, a second circuit that performs the computation on the input data based on the simplified sigmoid function when the sign of the real region of the input data is negative, and a first multiplexer that selects and output one of an output of the first circuit and an output of the second circuit, based on the sign of the input data. The simplified sigmoid function is obtained by transforming a sigmoid function of a real region into a sigmoid function of a logarithmic region and performing a variational transformation for the sigmoid function of the logarithmic region.
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8.发明申请WHEEL SPEED SENSOR INTERFACE, OPERATION METHOD THEREOF, AND ELECTRONIC CONTROL SYSTEM INCLUDING THE SAME 有权车轮速度传感器接口，其操作方法和包括其的电子控制系统公开(公告)号：US20150120164A1
公开(公告)日：2015-04-30
申请号：US14259036
申请日：2014-04-22
Inventor： Yi-Gyeong KIM , MIN-HYUNG CHO , Young-deuk JEON , Tae Moon ROH , Jong-Kee KWON
Abstract: Provided is a wheel speed sensor interface. The wheel speed sensor interface includes: a speed pulse detection circuit configured to receive a plurality of sensor signals including wheel speed information of a vehicle, detect a plurality of speed pulses on the basis of the plurality of the received sensor signals, and transmit the plurality of the detected speed pulses to an external device; and a comparison speed detection circuit configured to generate a plurality of counting values by counting each of the detected speed pulses, generate comparison speed information by multiplexing the plurality of the generated counting values through a time division method, and transmit the generated comparison speed information to the external device.
Abstract translation: 提供了一种车轮速度传感器接口。 轮速传感器接口包括：速度脉冲检测电路，被配置为接收包括车辆的车轮速度信息的多个传感器信号，基于多个接收到的传感器信号检测多个速度脉冲，并且发送多个 检测到的速度脉冲到外部设备; 以及比较速度检测电路，被配置为通过对每个所检测的速度脉冲进行计数来生成多个计数值，并通过时分方法多个生成的多个计数值来生成比较速度信息，并将生成的比较速度信息发送到 外部设备。
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9.发明申请SENSOR SIGNAL PROCESSING DEVICE AND READOUT INTEGRATED CIRCUIT INCLUDING THE SAME 有权传感器信号处理装置和包括其的读出集成电路公开(公告)号：US20150002216A1
公开(公告)日：2015-01-01
申请号：US14179508
申请日：2014-02-12
Inventor： Young-deuk Jeon , MIN-HYUNG CHO , Yi-Gyeong KIM
IPC: H03K3/013
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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