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公开(公告)号：US20170059646A1
公开(公告)日：2017-03-02
申请号：US14762569
申请日：2014-11-11
Applicant: CESIGN CO., LTD
Inventor： Soo Hyoung LEE
IPC: G01R31/26
CPC classification number: G01R31/2644 , G11C29/00 , G11C29/12 , G11C29/1201 , G11C29/48
Abstract: A semiconductor circuit having a test function is operated by applying power between a first pad and a second pad, and includes a first circuit block including a circuit for performing a main function of the semiconductor circuit; a second circuit block including a circuit for performing a function of testing the semiconductor circuit; and a diode connected in series with the second circuit block. In accordance with the semiconductor circuit having a test function, additional control pads and control signals are not required, thus suppressing an increase in the area of a semiconductor chip due to pads by reducing the number of pads.
Abstract translation: 具有测试功能的半导体电路通过在第一焊盘和第二焊盘之间施加电力来操作，并且包括第一电路块，其包括用于执行半导体电路的主要功能的电路; 第二电路块，包括用于执行半导体电路测试功能的电路; 以及与第二电路块串联连接的二极管。 根据具有测试功能的半导体电路，不需要附加的控制焊盘和控制信号，从而通过减少焊盘的数量来抑制由于焊盘导致的半导体芯片的面积的增加。
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2.发明申请公开(公告)号：US20170310106A1
公开(公告)日：2017-10-26
申请号：US15406986
申请日：2017-01-16
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung LEE , Justin Jungsup KIM , Jeong Pyo Kim
Abstract: A system for detecting and controlling an abnormal state of an electrical signal, includes: an abnormality decision part determining whether or not an electrical signal detected from a power line is abnormal by using the electrical signal and generating a control signal for controlling ON/OFF of N switches included in a leakage breaker. The system for detecting and controlling the abnormal state of the electrical signal is capable of controlling an operation of the leakage breaker by using voltage and current signals detected from the power line through which commercial power is supplied and functioning as a black box when an accident occurs such as a fire, etc.
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3.发明申请公开(公告)号：US20190200148A1
公开(公告)日：2019-06-27
申请号：US16190501
申请日：2018-11-14
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung LEE
CPC classification number: H04R29/006 , H04R1/406 , H04R3/005
Abstract: Provided is a method of correcting temperature characteristics of an audio device that includes a first microphone and a second microphone, including: measuring a temperature of the first microphone at a step (a-1); correcting an output signal of the first microphone at a step (b-1) using the measured temperature at the step (a-1); and calculating an output signal of the audio device at a step (c) using the corrected output signal of the first microphone at the step (b-1).
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4.发明授权公开(公告)号：US09628100B2
公开(公告)日：2017-04-18
申请号：US15217029
申请日：2016-07-22
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung Lee , Yun Mi Na , Hui Kwan Yang
CPC classification number: H03M1/1245 , H03M1/1225
Abstract: An analog-to-digital conversion device for multiple input signals includes a sample-and-hold amplifier and an analog-to-digital converter for converting an analog signal output from the sample-and-hold amplifier into a digital signal. According to the analog-to-digital conversion device for multiple input signals and a conversion method therefor, even if an input buffer is not provided, the dynamic range of the analog-to-digital converter may be optimally set depending on the input signals, and current consumption may be reduced.
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公开(公告)号：US09651609B2
公开(公告)日：2017-05-16
申请号：US14762569
申请日：2014-11-11
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung Lee
IPC: G01R31/3187 , G01R31/26 , G11C29/00 , G11C29/12
CPC classification number: G01R31/2644 , G11C29/00 , G11C29/12 , G11C29/1201 , G11C29/48
Abstract: A semiconductor circuit having a test function includes: a first circuit block including a circuit for performing a main function of the semiconductor circuit; a first power control block for controlling supply of power to the first circuit block; a second circuit block including a circuit for performing a function of testing the semiconductor circuit; and a second power control block for controlling supply of power to the second circuit block. The semiconductor circuit is operable in a first power mode in which a first pad is supplied with a supply voltage and a second pad is grounded, or in a second power mode in which the second pad is supplied with the supply voltage and the first pad is grounded. The second power control block is implemented as a diode.
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Patent Agency Ranking
6.发明授权Startup circuit, capacitive sensor amplification device having startup circuit, and startup method for amplification device 有权启动电路，具有启动电路的电容式传感器放大装置和放大装置的启动方法公开(公告)号：US09500501B2
公开(公告)日：2016-11-22
申请号：US14405016
申请日：2013-05-27
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung Lee , Jae Young Shin , Justin Jungsup Kim
IPC: G01R19/257 , G01D5/24 , H03F1/30 , H03F3/45
CPC classification number: G01D5/24 , H03F1/305 , H03F3/45475 , H03F2200/78 , H03F2203/45528
Abstract: In accordance with a startup circuit, a capacitive sensor amplification device having the startup circuit, and a startup method for the amplification device, a startup time can be shortened by connecting the high impedance resistor of an amplifier to a predetermined voltage source during startup. The capacitive sensor amplification device includes an amplification unit for amplifying a signal input to the amplification device; and a startup circuit for improving a startup time of the amplification unit, wherein the startup circuit includes a comparator for receiving an output of the amplification unit as a first comparison signal, receiving a preset reference voltage as a second comparison signal, comparing the comparison signals with each other, and outputting a comparison result; and a switch for selecting and outputting one of a first voltage and a second voltage depending on the output of the comparator.
Abstract translation: 根据启动电路，具有启动电路的电容式传感器放大装置和用于放大装置的启动方法，通过在启动期间将放大器的高阻抗电阻连接到预定电压源，可以缩短启动时间。 电容传感器放大装置包括：放大单元，用于放大输入到放大装置的信号; 以及用于改善所述放大单元的启动时间的启动电路，其中所述启动电路包括用于接收所述放大单元的输出作为第一比较信号的比较器，接收预设参考电压作为第二比较信号，比较所述比较信号 并输出比较结果; 以及用于根据比较器的输出选择和输出第一电压和第二电压中的一个的开关。
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公开(公告)号：US11263776B2
公开(公告)日：2022-03-01
申请号：US16999566
申请日：2020-08-21
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung Lee
Abstract: An object recognition system using an ultrasonic sensor is proposed, the system including an amplifier amplifying an output of the ultrasonic sensor; an analog-to-digital converter converting an output of the amplifier into a digital signal; and a feature point extractor extracting feature points using an output of the analog-to-digital converter; and an object recognizer recognizing the object by using the feature points extracted from the feature point extractor.
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公开(公告)号：US20210166415A1
公开(公告)日：2021-06-03
申请号：US16999566
申请日：2020-08-21
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung LEE
Abstract: An object recognition system using an ultrasonic sensor is proposed, the system including an amplifier amplifying an output of the ultrasonic sensor; an analog-to-digital converter converting an output of the amplifier into a digital signal; and a feature point extractor extracting feature points using an output of the analog-to-digital converter; and an object recognizer recognizing the object by using the feature points extracted from the feature point extractor.
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9.发明申请ANALOG-TO-DIGITAL CONVERSION DEVICE FOR MULTIPLE INPUT SIGNALS AND CONVERSION METHOD THEREFOR 有权用于多种输入信号的模数转换器件及其转换方法公开(公告)号：US20170070235A1
公开(公告)日：2017-03-09
申请号：US15217029
申请日：2016-07-22
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung LEE , Yun Mi NA , Hui Kwan YANG
IPC: H03M1/12
CPC classification number: H03M1/1245 , H03M1/1225
Abstract: An analog-to-digital conversion device for multiple input signals includes a sample-and-hold amplifier and an analog-to-digital converter for converting an analog signal output from the sample-and-hold amplifier into a digital signal. According to the analog-to-digital conversion device for multiple input signals and a conversion method therefor, even if an input buffer is not provided, the dynamic range of the analog-to-digital converter may be optimally set depending on the input signals, and current consumption may be reduced.
Abstract translation: 用于多个输入信号的模拟 - 数字转换装置包括采样保持放大器和用于将从采样保持放大器输出的模拟信号转换为数字信号的模拟 - 数字转换器。 根据用于多输入信号的模拟 - 数字转换装置及其转换方法，即使不提供输入缓冲器，也可以根据输入信号最佳地设置模数转换器的动态范围， 并且电流消耗可能会降低。
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10.发明申请STARTUP CIRCUIT, CAPACITIVE SENSOR AMPLIFICATION DEVICE HAVING STARTUP CIRCUIT, AND STARTUP METHOD FOR AMPLIFICATION DEVICE 有权启动电路，具有启动电路的电容式传感器放大装置和放大装置的启动方法公开(公告)号：US20160061633A1
公开(公告)日：2016-03-03
申请号：US14405016
申请日：2013-05-27
Applicant: CESIGN CO., LTD.
Inventor： Soo Hyoung LEE , Jae Young SHIN , Justin Jungsup KIM
IPC: G01D5/24
CPC classification number: G01D5/24 , H03F1/305 , H03F3/45475 , H03F2200/78 , H03F2203/45528
Abstract: In accordance with a startup circuit, a capacitive sensor amplification device having the startup circuit, and a startup method for the amplification device, a startup time can be shortened by connecting the high impedance resistor of an amplifier to a predetermined voltage source during startup. The capacitive sensor amplification device includes an amplification unit for amplifying a signal input to the amplification device; and a startup circuit for improving a startup time of the amplification unit, wherein the startup circuit includes a comparator for receiving an output of the amplification unit as a first comparison signal, receiving a preset reference voltage as a second comparison signal, comparing the comparison signals with each other, and outputting a comparison result; and a switch for selecting and outputting one of a first voltage and a second voltage depending on the output of the comparator.
Abstract translation: 根据启动电路，具有启动电路的电容式传感器放大装置和用于放大装置的启动方法，通过在启动期间将放大器的高阻抗电阻连接到预定电压源，可以缩短启动时间。 电容传感器放大装置包括：放大单元，用于放大输入到放大装置的信号; 以及用于改善所述放大单元的启动时间的启动电路，其中所述启动电路包括用于接收所述放大单元的输出作为第一比较信号的比较器，接收预设参考电压作为第二比较信号，比较所述比较信号 并输出比较结果; 以及用于根据比较器的输出选择和输出第一电压和第二电压中的一个的开关。
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