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公开(公告)号：US10819326B1
公开(公告)日：2020-10-27
申请号：US16699379
申请日：2019-11-29
Inventor： Yil Suk Yang , Hyun Joong Lee , Chang Han Je , Jong Dae Kim
Abstract: The present invention relates to a digital clock generation apparatus. The digital clock generation apparatus is directed to providing a digital clock generation apparatus in which hardware is simple, duty cycles are easily controlled, and various duty cycles and various frequency clocks (n× clocks) are provided as compared to a 1× single-phase clock generation apparatus or a 1× multi-phase clock generation apparatus based on the conventional programmable delay element chain.
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公开(公告)号：US10320287B2
公开(公告)日：2019-06-11
申请号：US15981774
申请日：2018-05-16
Inventor： Yil Suk Yang , Jimin Oh , Jong Pil Im
Abstract: Provided are a DC-DC converter driving device and a driving method thereof, the DC-DC converter driving device including an error detector configured to compare a first feedback voltage corresponding to a first output terminal with a first compensation reference voltage to generate a first error voltage, and configured to compare a second feedback voltage corresponding to a second output terminal with a second compensation reference voltage to generate a second error voltage, an interference detector configured to determine interference between the first and second output terminals on the basis of the first and second error voltages to generate an interference error voltage, and a reference voltage compensator configured to assign a weight to the interference error voltage to generate the first and second compensation reference voltages, and thus priorities are determined for outputs of the DC-DC converter and weights according thereto are assigned to reduce occurrence of cross-regulation.
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Patent Agency Ranking
公开(公告)号：US10101759B2
公开(公告)日：2018-10-16
申请号：US15815612
申请日：2017-11-16
Inventor： Jong Pil Im , Jung Hee Suk , Yil Suk Yang , Jimin Oh
Abstract: Provided are an electronic circuit, a linear regulating circuit, and a DC-DC converting circuit. An embodiment of the inventive concept includes a linear regulating circuit unit for generating, by comparing output voltages and corresponding reference voltages, a transient signal indicating that at least one of the output voltages is in a transient state, or a steady signal indicating that each of the output voltages is in a steady state, and for controlling the output voltages on the basis of the steady signal and the transient signal, an energy storing unit for storing energy used to generate the output voltages, a ground switch unit for controlling connection between the energy storing unit and a ground terminal, an input switch unit for controlling connection between at least one input terminal and the energy storing unit, and an output switch unit for controlling connection between output loads and the energy storing unit.
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公开(公告)号：US09391481B2
公开(公告)日：2016-07-12
申请号：US13673107
申请日：2012-11-09
Inventor： Minki Kim , Yil Suk Yang
CPC classification number: H02K5/04 , H02K41/031 , H02K2201/18
Abstract: Disclosed is a spherical wheel motor including: a spherical rotor having freedom of rotation along surrounding magnetized directions; a stator formed in a dome shape enclosing the rotor and configured to form magnetization at various angles through a plurality of coils distributed therein, and impart the freedom of rotation to the rotor; and a driving unit configured to identify a position of the rotor, supply current to each coil of the stator according to the position of the rotor, and drive the rotor.
Abstract translation: 公开了一种球面轮马达，其包括：球形转子，其具有围绕磁化方向的旋转自由度; 定子，其形成为圆顶形状，包围所述转子并构造成通过分布在其中的多个线圈以各种角度形成磁化，并赋予所述转子的旋转自由度; 以及驱动单元，被配置为识别转子的位置，根据转子的位置向定子的每个线圈供应电流，并驱动转子。
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25.发明授权公开(公告)号：US09379309B2
公开(公告)日：2016-06-28
申请号：US13908086
申请日：2013-06-03
Inventor： Sang Kyun Lee , Yil Suk Yang , Jong-Kee Kwon
IPC: H01L41/08 , H01L41/113 , H01L41/37 , H01L41/18
CPC classification number: H01L41/312 , H01L41/0475 , H01L41/113 , H01L41/183 , H01L41/187 , H01L41/1876 , H01L41/335 , H01L41/338 , H01L41/37 , H01L41/45 , Y10T29/42
Abstract: A flexible piezoelectric energy harvesting device includes a first flexible electrode substrate, a piezoelectric layer disposed on the first flexible electrode substrate, and a second flexible electrode substrate disposed on the piezoelectric layer. The piezoelectric layer may include a plurality of first piezoelectric lines spaced apart from each other in one direction and a plurality of second piezoelectric lines respectively filling spaces between the first piezoelectric lines.
Abstract translation: 柔性压电能量收集装置包括第一柔性电极基板，设置在第一柔性电极基板上的压电层和设置在压电层上的第二柔性电极基板。 压电层可以包括在一个方向彼此间隔开的多个第一压电线和分别填充第一压电线之间的空间的多个第二压电线。
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公开(公告)号：US09325261B2
公开(公告)日：2016-04-26
申请号：US14201163
申请日：2014-03-07
Inventor： Jimin Oh , Minki Kim , Jung Hee Suk , Sewan Heo , Yil Suk Yang
Abstract: Provided is a motor driving circuit which transmits a driving signal to a motor, including a gate driver generating the driving signal corresponding to a pulse width modulation signal, a pulse width modulation signal generator generating the pulse width modulation signal according to Hall sensor signals received from Hall sensors mounted in the motor, a current sensor measuring a link current provided to the gate driver, a low pass filter outputting a filter current that high frequency components are removed from the measured link current, and a minimum power consumption estimating unit generating a lead angle according to a start signal with reference to the filter current, wherein the pulse with modulating signal is changed according to the lead angle.
Abstract translation: 提供了一种电动机驱动电路，其将驱动信号发送到电动机，包括产生与脉宽调制信号相对应的驱动信号的栅极驱动器，脉宽调制信号发生器，根据接收到的霍尔传感器信号产生脉宽调制信号 安装在电动机中的霍尔传感器，测量提供给栅极驱动器的链路电流的电流传感器，输出从所测量的链路电流中除去高频分量的滤波电流的低通滤波器，以及产生引线的最小功耗估计单元 相对于滤波器电流根据起始信号的角度，其中具有调制信号的脉冲根据引导角度而改变。
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公开(公告)号：US09130486B2
公开(公告)日：2015-09-08
申请号：US13909938
申请日：2013-06-04
Inventor： Jung Hee Suk , Jimin Oh , Minki Kim , Yil Suk Yang
Abstract: Provided is a motor position detecting unit that includes a first computing element configured to output three-phase back-electromotive foreces (back-EMFs) based on a linear computation; a second computing element configured to output three-phase back-EMF based on a non-linear computation; and a computing controller configured to receive a control signal, three-phase voltage and current, and selecting any one of the first and second computing elements based on the received control signal, the received three-phase voltages and currents, wherein the control signal includes information on operation modes of an external motor.
Abstract translation: 提供一种电动机位置检测单元，其包括：第一计算单元，其被配置为基于线性计算输出三相反电动势（反电动势）; 第二计算元件，被配置为基于非线性计算输出三相反电动势; 以及计算控制器，被配置为接收控制信号，三相电压和电流，以及基于所接收的控制信号，所接收的三相电压和电流来选择第一和第二计算元件中的任何一个，其中控制信号包括 有关外部电机运行模式的信息。
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