公开(公告)号：US20160239268A1

公开(公告)日：2016-08-18

申请号：US14621016

申请日：2015-02-12

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Seong Hwan CHO ,  Dong In KIM

IPC: G06F7/508

CPC classification number: G06F7/508

Abstract: An adding apparatus according to an example of the present invention comprises: a time adder for outputting a time addition signal using time information of the first input signal and time information of the second input signal, if a first input signal synchronized according to a unit time delay and a second input signal synchronized with the unit time delay; and a carry digit processor for outputting a carry generation signal by conducting a carry-lookahead operation corresponding to the time addition signal according to the unit time delay.

Abstract translation: 根据本发明的示例的附加装置包括：时间加法器，用于使用第一输入信号的时间信息和第二输入信号的时间信息输出时间相加信号，如果第一输入信号根据单位时间同步 延迟和与单位时间延迟同步的第二输入信号; 以及进位数处理器，用于通过根据单位时间延迟进行与时间相加信号相对应的进位查找操作来输出进位发生信号。

公开(公告)号：US20250095717A1

公开(公告)日：2025-03-20

申请号：US18683532

申请日：2021-11-16

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Hwan CHO ,  Gi Woo LEE

IPC: G11C11/4091 ,  G11C11/4096 ,  G11C11/4099 ,  H03M1/12

Abstract: The present invention relates to a bitline multi-level voltage sensing circuit for a multi-bit operation of a DRAM including a memory cell that stores data by an operation of a wordline and a bitline, the bitline multi-level voltage sensing circuit comprising: an operational amplifier having a non-inverting input terminal coupled to a precharging voltage line and an inverting input terminal coupled to a bitline through a first switch enabled by a wordline signal; a feedback capacitor formed between an output terminal of the operational amplifier and an inverting input terminal of the operational amplifier; a second switch formed in parallel with the feedback capacitor between the output terminal of the operational amplifier and the inverting input terminal of the operational amplifier and enabled by a precharging signal; and an analog-to-digital converter that converts an output voltage of the output terminal of the operational amplifier into a digital signal.

公开(公告)号：US20180325375A1

公开(公告)日：2018-11-15

申请号：US15578598

申请日：2016-12-19

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Hwan CHO ,  Jin Seok LEE

IPC: A61B5/00 ,  A61B5/0245 ,  A61B5/04

CPC classification number: A61B5/0006 ,  A61B5/00 ,  A61B5/0245 ,  A61B5/04017 ,  A61B5/0402 ,  A61B5/7214 ,  A61B5/7225 ,  A61B2562/0214

Abstract: A circuit for non-contact electrocardiography monitoring according to an embodiment of the present invention includes a non-contact monitoring unit for acquiring and outputting plus or minus monitoring signal of signal source with non-contact; an amplification control unit for amplifying the monitoring signal to output to output terminal; and an input impedance calibration circuit for being connected to input terminal and output terminal of the amplification control unit to process calibration of input impedance in calibration mode.

公开(公告)号：US20150355034A1

公开(公告)日：2015-12-10

申请号：US14733527

申请日：2015-06-08

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Hwan CHO ,  Sung Rok JEON

IPC: G01K7/18 ,  G01K15/00

CPC classification number: G01K7/18 ,  G01K15/005 ,  G01K2219/00

Abstract: Provided herein is an apparatus for sensing temperature. The apparatus for sensing temperature includes: a sensor unit configured to include at least one sensor resistor and output a sensing signal varying by the sensor resistor in response to temperature when the sensor unit is applied with an operating voltage; a data conversion unit configured to convert a change in temperature sensed based on the sensing signal output from the sensor unit into a time signal and generate temperature information based on the converted time signal; and a control unit configured to control the sensor unit and the data conversion unit and output a temperature value determined depending on the temperature information.

Abstract translation: 本文提供了用于感测温度的装置。 用于感测温度的装置包括：传感器单元，被配置为包括至少一个传感器电阻器，并且当传感器单元被施加工作电压时响应于温度输出由传感器电阻器变化的感测信号; 数据转换单元，被配置为基于从所述传感器单元输出的感测信号将感测到的温度变化转换为时间信号，并且基于所转换的时间信号生成温度信息; 以及控制单元，被配置为控制所述传感器单元和所述数据转换单元，并输出根据所述温度信息确定的温度值。

公开(公告)号：US20220131546A1

公开(公告)日：2022-04-28

申请号：US17513657

申请日：2021-10-28

Applicant: Electronics And Telecommunications Research Institute ,  Korea Advanced Institute Of Science And Technology

Inventor： Han Gil CHOI ,  Sang Heung LEE ,  Seong Hwan CHO

IPC: H03L7/093 ,  H03L7/089 ,  H03L7/10

Abstract: The present invention relates to a frequency modulation method based on a phase-locked loop capable of performing fast modulation independent of bandwidth.
A frequency modulation system based on a phase-locked loop capable of performing fast modulation independent of bandwidth according to the present invention includes a loop filter including a proportional path and an integral path to determine a bandwidth of a phase-locked loop, a voltage-controlled oscillator configured to adjust a frequency according to an output of the loop filter, and a slope alternator configured to alternate an input current of the loop filter, wherein the slope alternator is located in the integral path of the loop filter to generate an offset current at a moment of change from a modulation rise to a modulation fall.

公开(公告)号：US20220120628A1

公开(公告)日：2022-04-21

申请号：US17434560

申请日：2019-06-12

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Hwan CHO ,  Su Jin PARK

IPC: G01L9/12 ,  G01P15/125 ,  G01N27/22

Abstract: Disclosed are an environment information sensor circuit and an environment information measurement device which can sense various kinds of environment information, such as pressure, humidity, acceleration and the like, and simply reduce quantization noise by employing a dual quantization capacitance-to-digital converter structure. The environment information sensor circuit comprises: a switch capacitor that outputs one among pressure information, humidity information, and acceleration information on the basis of a first clock signal and a second clock signal that do not overlap; a single-bit first order delta-sigma converter that includes an integrator which integrates the output from the switch capacitor and outputs the integrated output as an analog value, and a single-bit quantizer which compares the output from the integrator and a preset threshold voltage and outputs a single-bit digital signal corresponding to a comparison result; and a multi-bit quantizer that is connected to an output end of the integrator via a sampling switch, and quantizes the output from the integrator at the moment the sampling switch is turned on according to a sampling signal.

公开(公告)号：US20190099090A1

公开(公告)日：2019-04-04

申请号：US16142023

申请日：2018-09-26

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Hwan CHO ,  Dong Hee KIM

IPC: A61B5/021 ,  A61B5/0456

Abstract: Provided are a method for measuring blood pressure information and a blood pressure measuring apparatus using the same as which improve the battery efficiency, the possibility of portability, and easy measurement of the device equipped with the blood pressure measurement function by both minimizing power consumption and optimizing signal delivery system in the measurement of the blood pressure information using ECG and PPG. The blood pressure measuring apparatus includes a first peak detection unit for detecting a first peak information from an electrocardiographic signal of a patient obtained from an electrocardiogram detection unit; a second peak detection unit for detecting a second peak information from an optical pulse waveform detection signal of the patient obtained from an optical pulse wave detection unit; and a control unit for calculating a pulse wave arrival time information indicating a blood pressure information depending on the first peak information and the second peak information.